Review · secondary evidenceReview

Synthesis of Conductive MOFs and Their Electrochemical Application

Chunsheng Wu, Pengbiao Geng, Guangxun Zhang, Xinran Li, and Huan Pang · Small · 2024

This dossier represents secondary evidence: section summaries, claims and benchmarks are paraphrased for this database, not quoted. Check quantitative values against the linked primary study, and cite the review itself (10.1002/smll.202308264) for its arguments.

9review sections
7material families
16review claims
23secondary benchmarks
40cited studies
8research gaps

Review scope

Review recent synthesis strategies, conductivity design factors, measurement issues, and electrochemical applications of conductive metal-organic frameworks.

Coverage
2009–2023
Category
Review Energy Storage
Material scope
electron-conductive metal-organic frameworks · pi-conjugated 2D MOFs · redox-active ligand frameworks · conductive MOF thin films · conductive MOF electrodes and separators
Transport scope
through-bond electron transport · through-space electron transport · band transport · hopping transport · measurement geometry and contact artefacts
Application scope
electrocatalysis · supercapacitors · lithium-ion batteries · lithium-sulfur batteries · sodium-ion batteries · zinc-ion and zinc-air batteries · electrochemical sensors
Explicit exclusions
primary experimental extraction · full synthetic recipes · exhaustive bibliography · proton-conductive MOFs except as framing context
Source
1 · Abstract
Evidence role
Context, taxonomy and secondary benchmarking

Section map

The review’s argument is preserved as a navigable set of section summaries.

4.3. Conductive MOFs for Batteries

30-37

Covers lithium-ion, lithium-sulfur, sodium-ion, zinc-ion and zinc-air batteries with emphasis on porous redox frameworks, ion transport and cycling stability limitations.

Relevance: Supporting · 30 · 4.3. Conductive MOFs for Batteries

3.1. Design Strategy of Conductive MOFs

4-10

Organises conductivity design around ligand class, metal ion identity/valence and morphology, supported by Table 1 benchmarks.

Relevance: Core · 5 · 3.1.1. Choosing of Ligands · Table 1

4.1. Conductive MOFs for Electrocatalysis

19-26

Reviews HER, OER and ORR applications, stressing exposed metal sites, conductivity, ligand electronic effects and stability/reconstruction caveats.

Relevance: Supporting · 20 · 4.1. Conductive MOFs for Electrocatalysis

1. Introduction

1-3

Defines conductive MOFs against conventional insulating MOFs, distinguishes proton- and electron-conductive MOFs, and introduces transport modes and applications.

Relevance: Core · 1 · 1. Introduction · Figure 1

2. Conductivity Measurements of Conductive MOFs

3-4

Summarises conductivity measurement methods and warns that contact resistance, sample morphology, environment and current density affect reported values.

Relevance: Core · 3 · 2. Conductivity Measurements of Conductive MOFs · Figure 3

5. Summary and Outlook

41-42

Synthesises advantages, limitations and future directions, including standardised conductivity measurement, new ligands, mixed-valence/doped metals and underused film methods.

Relevance: Core · 41 · 5. Summary and Outlook

4.4. Conductive MOFs for Electrochemical Sensors

37-41

Summarises sensor advantages from conductivity, porosity and active sites, while noting instability and selectivity challenges.

Relevance: Supporting · 38 · 4.4. Conductive MOFs for Electrochemical Sensors

4.2. Conductive MOFs for Supercapacitors

26-30

Frames conductive MOFs as double-layer and pseudocapacitive materials where conductivity, redox ligands and in situ substrate growth control performance.

Relevance: Supporting · 26 · 4.2. Conductive MOFs for Supercapacitors

3.2. Synthesis of Conductive MOFs

10-19

Compares hydrothermal/solvothermal and interface-assisted synthesis, then reviews gas-liquid, liquid-liquid, Langmuir-Blodgett, MiCS, layer-by-layer epitaxy, CVD and electrochemical film growth.

Relevance: Core · 10 · 3.2. Synthesis of Conductive MOFs

Taxonomies

Classification systems are attributed to this review and are not treated as a global material registry.

Device Or Reaction UseAuthor-proposed

Electrochemical application families

Applications are organised around electrocatalytic reactions, charge-storage devices and sensing platforms.

Categories: HER · OER · ORR · supercapacitors · batteries · electrochemical sensors

19 · 4. Electrochemical Application of Conductive MOFs

Organic Linker Electronic CharacterAuthor-proposed

Ligand classes for conductive MOFs

Ligand families are used to organise how delocalisation, coordination polarity, heteroatom effects and limited conjugation influence transport.

Categories: pi-conjugated ligands · aromatic carbonyl ligands · heteroatom-functionalized ligands · rigid bidentate/polydentate ligands

5 · 3.1.1. Choosing of Ligands

Electrical Measurement Method

Conductivity measurement geometries

The review treats method choice as central to comparability because contact resistance and sample geometry can dominate reported conductivity.

Categories: two-contact probe · four-contact probe · four-point probe · van der Pauw

4 · 2. Conductivity Measurements of Conductive MOFs · Figure 3

Morphology And MicrostructureAuthor-proposed

Sample-form effects

Conductivity values are interpreted as sample-form dependent, with grain boundaries and anisotropy penalising pellets and polycrystalline films.

Categories: pressed pellets · polycrystalline films · single-domain films · single crystals

4 · 2. Conductivity Measurements of Conductive MOFs

Processing StrategyAuthor-proposed

Synthesis route families

The review distinguishes bulk/single-crystal approaches from film-oriented interfacial and deposition approaches.

Categories: hydrothermal/solvothermal synthesis · interface-assisted synthesis · Langmuir-Blodgett method · layer-by-layer liquid phase epitaxy · chemical vapor deposition · electrochemical synthesis · microfluidic solution shearing

10 · 3.2. Synthesis of Conductive MOFs

Mechanism Of Electron Transport

Electron transfer modes

The review distinguishes chemical transfer through bonds or through space from physical band and hopping descriptions.

Categories: through space · through bond · band theory · hopping theory

2 · 1. Introduction · Figure 1

Material families

Review-defined families retain their representative materials and conduction descriptions.

BHT/THT sulfur-rich conductive MOFs

2D Layered Or Thin Film

Thiolate and dithiolene-linked frameworks where metal-sulfur units support high conductivity and catalytic or battery function.

Conduction: High reported conductivities are attributed to strong metal-thiolate orbital interactions and band-like behaviour in selected cases.

Representative materials: Cu-BHT · Ni-BHT · Co-THT · Fe-THT

Nodes / linkers: Cu · Ni · Co · Fe · Pd · BHT · THT

16 · 3.2.2. Interface-Assisted Synthesis · Figure 8

HAB/HIB hexaamine conductive MOFs

2D Nanosheets, Pellets And Films

Nitrogen-rich frameworks based on hexaaminobenzene or hexaiminobenzene linkers.

Conduction: The review highlights dense redox sites, nitrogen active sites, and sensitivity to crystallinity and disorder.

Representative materials: Ni3(HAB)2 · Cu3(HAB)2 · Co-HAB · Ni-HIB

Nodes / linkers: Ni · Cu · Co · HAB · HIB

14 · 3.2.2. Interface-Assisted Synthesis

HITP/HHTP/CAT triphenylene 2D conductive MOFs

Mostly 2D Layered

Layered 2D frameworks built from triphenylene-type pi-conjugated ligands and transition metals.

Conduction: The review links transport to pi-d conjugation, orbital stacking and, in films, grain-boundary and thickness effects.

Representative materials: Ni3(HITP)2 · Cu3(HHTP)2 · Ni-CAT · Cu-CAT

Nodes / linkers: Ni · Cu · Co · Fe · HITP · HHTP · CAT

10 · 3.2.1. Hydrothermal/Solvothermal Synthesis · Figure 4

Phosphonate conductive MOFs

1D, 2D Or 3D Columnar Layered

Thermally and chemically stable conductive or semiconducting phosphonate MOFs built from organophosphate ligands.

Conduction: The review presents phosphonate frameworks as stable semiconducting/conductive examples with direction-dependent conductivity.

Representative materials: TUB75 · TUB40

Nodes / linkers: Cu · NDPA · phosphonate

12 · 3.2.1. Hydrothermal/Solvothermal Synthesis

Phthalocyanine conductive MOFs

2D Layered

Planar phthalocyanine-based 2D conductive MOFs where the motif acts as both linker and electrocatalytic site.

Conduction: The review connects AA stacking, electronic-site modulation and bimetallic synergy to OER performance.

Representative materials: NiPc-MOF · NiPc-Ni · NiPc-NiFex

Nodes / linkers: Ni · Fe · Cu · NiPc · phthalocyanine

23 · 4.1.2. Oxygen Evolution Reaction · Figure 14

Carbonyl/heteroaromatic redox conductive MOFs

2D And 3D Frameworks

Frameworks based on quinone, triphenylene carbonyl or nitrogen-rich heteroaromatic ligands with redox-active sites.

Conduction: Carbonyl and heteroaromatic ligands alter charge density, provide redox storage sites and can support low band gaps.

Representative materials: Fe-THQ · Cu-THQ · Cu-HHTQ · Cu-HATN

Nodes / linkers: Fe · Cu · Ni · THQ · HHTQ · HATN · HAHATN

12 · 3.2.1. Hydrothermal/Solvothermal Synthesis · Figure 5

Tetrathiafulvalene tetrabenzoate MOFs

3D Microporous Or Single Crystal

Microporous M2(TTFTB) frameworks where metal-ion radius tunes through-space orbital overlap.

Conduction: The review interprets conductivity differences as arising from metal-ion radius shortening S-S distances and increasing sulfur orbital overlap.

Representative materials: Cd2(TTFTB) · Mn2(TTFTB) · Co2(TTFTB)

Nodes / linkers: Cd · Mn · Co · Zn · TTFTB

12 · 3.2.1. Hydrothermal/Solvothermal Synthesis

Synthesis strategies

Review-level synthesis principles remain separate from primary-study recipes.

Chemical vapour and electrochemical film deposition

CVD avoids solvent interference, while electrochemical synthesis dissolves Cu from an anode and coordinates migrating ligand ions to produce films on foil.

Claimed effects: Can produce ordered films, controllable thickness/morphology and flexible electrodes.

Controlling variables: CVD temperature · applied voltage · metal dissociation rate · ligand migration rate

Representative materials: Cu-THQ · Cu3(HHTP)2

Caveat: High electrochemical voltage promotes bulk crystallite aggregation; CVD and electrochemical methods remain relatively underused.

19 · 3.2.7. Electrochemical synthesis · Figure 11

Gas-liquid interface-assisted synthesis

Metal ions in aqueous phase bridge hydrophobic planar ligands at the interface to form oriented thin films or nanosheets.

Claimed effects: Can yield high crystallinity, uniaxial orientation and controlled film thickness for flexible thin-film devices.

Controlling variables: aqueous metal-ion concentration · ligand solubility · surface pressure · film thickness

Representative materials: M-HAB · Ni-HITP

Caveat: Large-area synthesis and thermal stability remain challenges; thickness must be balanced against high conductivity.

14 · Gas-Liquid Interface-Assisted Synthesis · Figure 7

Hydrothermal/solvothermal synthesis

Bulk crystallisation under solvent, heat and pressure to obtain microcrystalline products or single crystals suitable for structural analysis.

Claimed effects: Can tune morphology, size and crystal structure; suited to single crystals rather than large-area thin films.

Controlling variables: reaction temperature · solvent polarity · metal-to-ligand ratio · metal ion identity

Representative materials: Ni3(HITP)2 · Cu3(HHTP)2 · Fe-THQ · M2(TTFTB)

Caveat: High-temperature and high-pressure crystallisation is described as less suitable for fabricating conductive MOF films.

13 · 3.2.1. Hydrothermal/Solvothermal Synthesis

Langmuir-Blodgett film formation

Uses amphiphilic ligands compressed at a water surface to form monomolecular membranes that coordinate with metal ions.

Claimed effects: Improves film uniformity and thickness control relative to some liquid-liquid films.

Controlling variables: surface compression · ligand amphiphilicity · metal ions in aqueous phase · transfer to substrate

Representative materials: Cu-HHTP · THT-Ni 2DSP

Caveat: Improved film quality does not guarantee high conductivity; one Cu-HHTP film was much less conductive than corresponding single crystals.

18 · 3.2.3. Langmuir-Blodgett Method · Figure 10

Liquid-liquid interface-assisted synthesis

Self-assembly at an interface between immiscible organic and aqueous phases to form conductive MOF films.

Claimed effects: Can generate micrometre-scale conductive MOF films and is contrasted with gas-liquid methods.

Controlling variables: organic phase composition · aqueous metal precursor · interfacial assembly conditions · film crystallinity

Representative materials: Ni-BHT · Cu-BHT · Co-THT · Fe-THT

Caveat: Some films exhibit disorder, poor crystallinity or lower conductivity than single crystals.

17 · Liquid-Liquid Interface Assisted Synthesis · Figure 9

Layer-by-layer liquid phase epitaxy

Sequential substrate immersion in metal precursor, ligand solution and washing solvent regulates MOF film growth.

Claimed effects: Increasing film thickness can strongly enhance conductivity by reducing grain-boundary effects during growth.

Controlling variables: immersion time · immersion frequency · substrate functional groups · growth cycles

Representative materials: Cu3(HHTP)2

Caveat: The example conductivity remains modest despite large relative enhancement.

19 · 3.2.5. Layer-by-layer liquid phase epitaxy method · Figure 10

Microfluidic channel embedding solution shearing

A blade/substrate shearing process creates a curved gas-liquid interface for scalable conductive MOF film growth and nanoparticle embedding.

Claimed effects: Supports large-area, high-quality nanoscale thin films and simultaneous nanoparticle decoration.

Controlling variables: blade movement · mixed ligand-metal solution · substrate · shearing speed

Representative materials: Pt@Cu3(HHTP)2

Caveat: The review notes that conductivity of Pt@Cu3(HHTP)2 films was not reported.

19 · 3.2.4. Microfluidic channel embedding solution shearing · Figure 10

Review claims

These are the review authors’ synthesis, not newly measured results.

DescriptiveHigh supportMaterial Comparison

Most reported conductive MOFs are 2D structures, while 3D conductive MOFs remain rare.

Evidence basis: review_reasoning

Caveat: The statement reflects the review's 2023 literature horizon.

11 · 3.2.1. Hydrothermal/Solvothermal Synthesis

Consensus SummaryMedium supportApplication Relevance

Conductive MOFs are framed as battery electrodes because redox-active sites, porosity and conductivity can support ion intercalation and charge transfer.

Evidence basis: multi_reference

Caveat: Cycling stability, low conductivity relative to commercial electrodes and structural damage remain limiting.

30 · 4.3.1. Lithium-Ion Batteries

DescriptiveHigh supportDefinition Scope

Conductive MOFs are porous frameworks formed from metal ions and highly conjugated organic ligands, with carrier density and orbital overlap central to conductivity.

Evidence basis: review_reasoning

Caveat: This is the review's framing definition, not a single primary result.

1 · Abstract

Author InterpretationMedium supportMeasurement Interpretation

Conductivity measurements should control atmosphere, humidity, temperature and illumination because these variables can alter carrier concentration, redox state or transient states.

Evidence basis: multi_reference

Caveat: Specific environmental sensitivities vary by framework.

4 · 2. Conductivity Measurements of Conductive MOFs

Author InterpretationMedium supportCaveat

For HER catalysts, conductive MOFs can show high activity but may suffer poor stability from redox-driven ligand reduction or oxidation at metal sites.

Evidence basis: review_reasoning

Caveat: The review calls for future stability-focused HER research.

23 · 4.1.1. Hydrogen Evolution Reaction

Author InterpretationMedium supportSynthesis Strategy

Interfacial-assisted synthesis is highlighted as a route to large-area, high-crystallinity conductive MOF films with fewer grain boundaries than pressed-powder films.

Evidence basis: multi_reference

Caveat: Large-area quality, thermal stability and film defects remain unresolved.

13 · 3.2.2. Interface-Assisted Synthesis

Author InterpretationMedium supportConsensus

The review favours intrinsically conductive MOFs over carbonisation or conductive-polymer encapsulation because post-processing can undermine MOF advantages.

Evidence basis: review_reasoning

Caveat: The statement is broad and comparative; primary evidence should be checked for specific systems.

1 · 1. Introduction

Author InterpretationHigh supportMeasurement Interpretation

Ohm's law should not be applied naively at high current density in conductive MOFs; low-current measurements and contact-resistance controls are recommended.

Evidence basis: multi_reference

Caveat: Recommendation is methodological and may depend on material class and measurement geometry.

4 · 2. Conductivity Measurements of Conductive MOFs · Figure 3

Consensus SummaryHigh supportStructure Property Link

Metal identity, valence and ionic radius can tune electron transfer by changing d-orbital occupancy, inter-valence transfer and linker-linker distances.

Evidence basis: multi_reference

Caveat: The review frames this as design logic; local optimisation is material-specific.

5 · 3.1.2. Choosing of metal ions

Author InterpretationHigh supportStructure Property Link

Morphology affects conductivity through competing effects of grain boundaries, defects, surface area, orientation and one-dimensional pathways.

Evidence basis: multi_reference

Caveat: Large surface area can either introduce scattering defects or improve impurity doping, depending on the system.

10 · 3.1.3. Morphology

Author InterpretationHigh supportCaveat

The review cautions that OER-active conductive MOFs can undergo electrochemical reconstruction, so active-site assignments require proof that properties have not changed.

Evidence basis: review_reasoning

Caveat: Many reports apparently omit reconstruction analysis.

25 · 4.1.2. Oxygen Evolution Reaction

Consensus SummaryHigh supportStructure Property Link

Continuous pi-electron systems are presented as advantageous for high conductivity because they support delocalisation and narrower band gaps.

Evidence basis: multi_reference

Caveat: Conductivity still depends on metal nodes, crystallinity and morphology.

5 · 3.1.1. Choosing of Ligands

Consensus SummaryHigh supportMeasurement Interpretation

Reported conductivity depends strongly on whether samples are pellets, polycrystalline films, single-domain films or single crystals.

Evidence basis: multi_reference

Caveat: The review's summary warns against comparing values without sample form and direction.

4 · 2. Conductivity Measurements of Conductive MOFs

Author InterpretationHigh supportCaveat

Conductive MOFs are attractive sensor materials but still face practical limits from environmental instability, conductivity below inorganic conductors and selectivity in complex analyte mixtures.

Evidence basis: review_reasoning

Caveat: The review focuses on electrochemical sensors, not all sensing modalities.

41 · 4.4. Conductive MOFs for Electrochemical Sensors

Consensus SummaryHigh supportStructure Property Link

Single crystals tend to show higher conductivity than polycrystalline films because grain boundaries and disorder impede electron migration.

Evidence basis: single_reference

Caveat: Single crystals and single-domain films are difficult to fabricate, limiting device applicability.

11 · 3.2.1. Hydrothermal/Solvothermal Synthesis

Author InterpretationMedium supportApplication Relevance

For supercapacitors, the review argues conductive MOFs should be grown in situ on conductive substrates to preserve conductivity and 2D properties.

Evidence basis: multi_reference

Caveat: Substrate morphology can constrain generality across conductive MOF families.

30 · 4.2. Conductive MOFs for Supercapacitors

Secondary benchmarks

Every row remains visibly secondary and links to a primary dossier only where the mapping is verified.

MaterialPropertyReported valueContext and qualityPrimary evidenceReview source
SecondaryCd2(TTFTB)electrical conductivity2.86 x 10^-4 S cm^-1review text example
Text · Exact Reported
research_03531 · 1. Introduction
SecondaryCo-HABsodium-ion battery specific capacity291 mAh g^-1 at 50 mA g^-1assembled sodium-ion battery, 50 mA g^-1
Text · Exact Reported
research_000435 · 4.3.3. Sodium-Ion Batteries · Figure 24
SecondaryCu3(BHT)2electrical conductivity1.58 x 10^5 S m^-1film, 4-probe; Table 1
Table · Exact Reported
research_00068 · 3.1.1. Choosing of Ligands · Table 1
SecondaryCu-BHTelectron mobility116 cm^2 V^-1 s^-1Table 1 film benchmark
Table · Exact Reported
research_00068 · 3.1.1. Choosing of Ligands · Table 1
SecondaryCu-HHTCelectrical conductivity3.02 x 10^-1 S m^-1pellet, 4-probe; Table 1
Table · Exact Reported
research_00256 · 3.1.1. Choosing of Ligands · Table 1
SecondaryCu3(HHTP)2electrical conductivity8.7 S m^-1electrochemically synthesised film, 2-probe; Table 1
Table · Exact Reported
research_00766 · 3.1.1. Choosing of Ligands · Table 1
SecondaryCu3(HHTP)2electrical conductivity2.1 x 10^-3 S m^-1film, 2-probe; Table 1
Table · Exact Reported
research_02636 · 3.1.1. Choosing of Ligands · Table 1
SecondaryCu3(HHTP)2zinc-ion battery specific capacity228 mAh g^-1 at 50 mA g^-1aqueous zinc-ion battery cathode
Text · Exact Reported
research_018836 · 4.3.4. Zinc-Ion Batteries · Figure 25
SecondaryCu3(HHTQ)2electrical conductivity100 S m^-1single crystal, 4-probe; Table 1
Table · Exact Reported
No verified corpus mapping7 · 3.1.1. Choosing of Ligands · Table 1
SecondaryCu3(HIB)2electrical conductivity1.3 x 10^3 S m^-1pellet, van der Pauw; Table 1
Table · Exact Reported
No verified corpus mapping7 · 3.1.1. Choosing of Ligands · Table 1
SecondaryCu3(HITP)2electrical conductivity1.5 x 10^2 S m^-1isolated rod, 4-probe; Table 1
Table · Exact Reported
research_00056 · 3.1.1. Choosing of Ligands · Table 1
SecondaryCu[Cu(pdt)2]electrical conductivity6 x 10^-4 S cm^-1 at room temperatureroom temperature
Text · Exact Reported
research_02011 · 1. Introduction
SecondaryCu-THQactivation energy2.96 eVTable 1 value for Cu-THQ film
Table · Exact Reported
research_01427 · 3.1.1. Choosing of Ligands · Table 1
SecondaryCu-THQelectrical conductivity9.295 x 10^3 S m^-1film, 4-probe; Table 1
Table · Exact Reported
research_01427 · 3.1.1. Choosing of Ligands · Table 1
SecondaryCu-THQ-based sensorparaoxon detection limit0.37 ng ml^-1electrochemical sensor
Text · Exact Reported
research_081040 · 4.4. Conductive MOFs for Electrochemical Sensors
SecondaryFe-THQelectrical conductivity3.3 +/- 0.55 mS cm^-1 at 300 K300 K
Text · Exact Reported
research_006612 · 3.2.1. Hydrothermal/Solvothermal Synthesis · Figure 5
SecondaryNi3(HIB)2electrical conductivity8 x 10^2 S m^-1pellet, van der Pauw; Table 1
Table · Exact Reported
No verified corpus mapping7 · 3.1.1. Choosing of Ligands · Table 1
SecondaryNi3(HITP)2electrical conductivity4 x 10^3 S m^-1film, van der Pauw; Table 1
Table · Exact Reported
No verified corpus mapping6 · 3.1.1. Choosing of Ligands · Table 1
SecondaryNi-HITP nanosheetselectrical conductivity0.6 S cm^-1approximately 14 nm gas-liquid interface nanosheets
Text · Exact Reported
research_009414 · Gas-Liquid Interface-Assisted Synthesis · Figure 7
SecondaryNi-HITP sensorpressure sensitivity61.61 kPa^-1microstructured cellulose membrane substrate; pressure sensing
Text · Exact Reported
research_072341 · 4.4. Conductive MOFs for Electrochemical Sensors
SecondaryNi3(HITP)2electrical conductivity0.13 S m^-1isolated rod, 4-probe; Table 1
Table · Exact Reported
research_00056 · 3.1.1. Choosing of Ligands · Table 1
SecondaryTUB40electrical conductivity1.42 x 10^2 S m^-1pellet, 2-probe; Table 1
Table · Exact Reported
research_05439 · 3.1.1. Choosing of Ligands · Table 1
SecondaryTUB75electrical conductivity10^-3-10^3 S m^-1direction-dependent room-temperature conductivity; Table 1/text
Table · Range
research_05179 · 3.1.1. Choosing of Ligands · Table 1

Research gaps

Open questions are presented as review-author priorities, not conclusions from the primary database.

Rare 3D conductive MOFs

Medium

The review notes that most conductive MOFs are 2D and that 3D conductive MOFs are still rare.

Proposed direction: Use 3D framework design and mixed-valence/redox hopping concepts to expand dimensionality beyond layered systems.

11 · 3.2.1. Hydrothermal/Solvothermal Synthesis

Cycling stability in devices

High

Conductive MOF devices often show poor cycling stability due to weak coordination bonds and environmental sensitivity.

Proposed direction: Prioritise framework stability, protective architectures and long-cycle device testing.

41 · 5. Summary and Outlook

Large-area high-quality films

High

High-quality large-area conductive MOF films remain difficult, and no effective method is identified for preparing large single-crystal films.

Proposed direction: Advance film-growth methods that suppress grain boundaries and defects over device-scale areas.

41 · 5. Summary and Outlook

Limited linker and metal combinations

High

The review states that conductive MOF exploration remains in its infancy because only a few linker/transition-metal combinations have been recorded.

Proposed direction: Develop new ligands and broader metal-node combinations, supported by computational design.

41 · 5. Summary and Outlook

Conductivity measurement comparability

High

The review identifies a lack of uniform conductivity measurement methods and insufficient reporting of activation energy and mobility.

Proposed direction: Unify measurement protocols and report conductivity together with activation energy, mobility, sample geometry and environment.

41 · 5. Summary and Outlook · Table 1

Unresolved active-site identity under OER

High

Electrochemical reconstruction in OER environments is not mentioned in most reports, making active-site assignments uncertain.

Proposed direction: Use operando or post-reaction characterisation before assigning intrinsic OER active sites.

25 · 4.1.2. Oxygen Evolution Reaction

Operational stability

High

Temperature, pH, mechanical force and applied voltage can degrade conductive MOF activity and stability in practical applications.

Proposed direction: Design more robust coordination environments and test under realistic operating conditions.

41 · 5. Summary and Outlook

Underused film preparation methods

Medium

Solution shearing, electrochemical synthesis, liquid phase epitaxial growth and CVD are described as rarely reported; physical vapour deposition has not been used.

Proposed direction: Explore underused deposition methods for conductive MOF films, including physical vapour deposition where chemically plausible.

42 · 5. Summary and Outlook

Cited-study map

Mappings show which printed review references have a verified counterpart in the frozen primary corpus.

Show 40 cited-study records
ReferenceStudyRole and contextCorpus mapping
Ref. 232023Title unavailablesupercapacitor_substrate · transport_benchmarkUsed for conductive MOF micro-supercapacitors and compressed Ni-CAT conductivity.research_0740
Ref. 252009Title unavailablehistorical_transport_benchmark · through_bondEarly conductive MOF example used for through-bond transport framing.research_0201
Ref. 262015Title unavailabletransport_benchmark · metal_radius_effectCited for TTFTB frameworks where metal-ion radius changes through-space overlap and conductivity.research_0353
Ref. 272020Title unavailabletransport_benchmark · three_dimensional_mofCited for 3D Fe-THQ conductivity, redox hopping and air/reduction effects.research_0066
Ref. 282015Title unavailabletransport_benchmark · high_conductivityCited for highly conductive Cu-BHT films with reported mobility and low-temperature behaviour.research_0006
Ref. 342019Title unavailablesample_form_effect · single_crystalCited for single-crystal versus polycrystalline-film transport comparisons.research_0005
Ref. 352017Title unavailablegas_liquid_interface · thin_filmCited for gas-liquid interface preparation of M-HAB nanosheets.Unmapped
Ref. 362017Title unavailabletransport_benchmark · hab_frameworkCited for HAB/HIB conductive frameworks and metallic band structures.Unmapped
Ref. 372020Title unavailablephosphonate_mof · transport_benchmarkCited for semiconducting magnetic phosphonate MOF TUB75.research_0517
Ref. 382021Title unavailablephosphonate_mof · transport_benchmarkCited for conductive phosphonate MOF TUB40.research_0543
Ref. 392022Title unavailablemorphology_effect · transport_benchmarkCited for particle size, surface area and conductivity links in Cu-HHTC.research_0025
Ref. 402021Title unavailableanisotropic_transport · ligand_designCited for balancing in-plane and out-of-plane transport in 2D conductive MOFs.Unmapped
Ref. 422018Title unavailableinterfacial_film · crystallinityCited for interfacial-assisted film crystallinity and conductivity discussion.Unmapped
Ref. 482019Title unavailablethin_film · interfacial_synthesisCited for Ni-HITP film thickness and conductivity in gas-liquid interface context.Unmapped
Ref. 492021Title unavailablethin_film · transport_benchmarkCited for approximately 14 nm Ni-HITP nanosheets and interlayer conduction.research_0094
Ref. 582013Title unavailableliquid_liquid_interface · bht_frameworkCited for preparation of Ni-BHT via liquid-liquid interface.Unmapped
Ref. 612017Title unavailablepi_conjugated_ligand · herCited for metal-dithioalkene MOFs and conductivity/temperature behaviour.Unmapped
Ref. 622019Title unavailablepi_conjugated_ligand · transport_benchmarkCited for Fe-THT thin films and metal-like temperature behaviour.Unmapped
Ref. 632018Title unavailablelangmuir_blodgett · interfacial_filmCited for Cu-HHTP films prepared by Langmuir-Blodgett and liquid-liquid methods.Unmapped
Ref. 642021Title unavailablemics · thin_filmCited for MiCS-enabled Pt nanoparticle embedding in conductive MOF films.research_0257
Ref. 652022Title unavailableliquid_phase_epitaxy · transport_benchmarkCited for layer-by-layer liquid phase epitaxy and thickness-dependent conductivity.research_0263
Ref. 662022Title unavailablechemical_vapor_deposition · transport_benchmarkCited for CVD Cu-THQ films and conductivity/activation-energy example.research_0142
Ref. 802021Title unavailableelectrochemical_synthesis · thin_filmCited for electrochemical synthesis of conductive MOF films on Cu foil.research_0076
Ref. 1062015Title unavailableher · langmuir_blodgettCited for ultrathin THT-Ni supramolecular polymer sheets used for HER.Unmapped
Ref. 1092021Title unavailablehumidity_or_environment · herCited in environmental and HER sections for conductive MOF sensitivity and catalytic modification context.Unmapped
Ref. 1482020Title unavailabledefects · orrCited for ORR performance and defect/crystallinity influence in Ni-HIB.research_0579
Ref. 1662020Title unavailablesupercapacitor · pseudocapacitanceCited for pseudocapacitive conductive MOF supercapacitor electrode strategies.Unmapped
Ref. 1702019Title unavailablesupercapacitor_substrate · flexible_filmsCited for cellulose-nanofiber supported conductive MOF nanopapers.research_0174
Ref. 1742023Title unavailablebattery_contextCited for conductive MOFs as battery electrode materials.Unmapped
Ref. 1852021Title unavailablebattery_transportCited for porosity and conductivity facilitating lithium-ion intercalation/deintercalation.Unmapped
Ref. 1872021Title unavailablebattery_benchmark · redox_frameworkCited for Cu-HHTQ lithium storage and temperature-dependent conductivity.research_0803
Ref. 2102018Title unavailablesodium_ion_battery · benchmarkCited for Co-HAB sodium-ion storage and conductivity.research_0004
Ref. 2172019Title unavailablezinc_ion_battery · benchmarkCited for Cu3(HHTP)2 aqueous zinc-ion cathode behaviour.research_0188
Ref. 2262014Title unavailabletransport_benchmark · hitp_frameworkCited in Table 1 for Ni3(HITP)2 film and pellet conductivity.Unmapped
Ref. 2352023Title unavailablemorphology_effect · sensorCited for nanowire or hierarchical film morphology and mass-transport effects in sensing.research_0557
Ref. 2392022Title unavailablesensor_benchmarkCited for Cu-THQ paraoxon electrochemical sensor detection limit.research_0810
Ref. 2412022Title unavailableflexible_sensor · thermoelectric_transportCited for dual pressure and temperature sensor based on Ni-HITP and cellulose membrane.research_0723
Ref. 2422016Title unavailablemeasurement_methodCited for conductivity measurement caveats and Ohm's-law interpretation.Unmapped
Ref. 2432020Title unavailablemeasurement_methodCited for conductivity measurement methods such as probes and van der Pauw.Unmapped
Ref. 2452021Title unavailablemeasurement_method · morphology_effectCited for environmental and morphology effects on conductivity measurements.Unmapped