Stodolka M., Choi J.Y., Fang X. et al. · ACS Materials Letters · 2024 · 49-55
Open a family to keep every result attached to its sample, method and conditions.
Paraphrased for this database from the authors’ stated interpretations — never quoted verbatim — and kept separate from reported measurements.
Binder-free anodic electrosynthesis on NF avoids the binder/conductive-additive convolution of bulk inks and is presented as a route towards scalable EC-MOF device fabrication.
Caveat: Scalability is argued conceptually; the paper does not report a manufacturing scale-up demonstration.
53 · Conclusion · Linked to 4 structured results
Conductivity differences between bulk and electrosynthesised Ni-HHTP samples are described as insignificant and possibly due to crystallinity differences from rapid electrosynthesis kinetics.
Caveat: The numerical spread is over two orders of magnitude, but the authors explicitly state the differences are insignificant; no uncertainty bars are provided.
52 · Results · Linked to 3 structured results
Electrosynthesised Ni-HHTP-Flower and Ni-HHTP-Disc are assigned as Ni-HHTP and match solvothermal bulk Ni-HHTP by PXRD, FTIR, XPS and EDS.
Caveat: Structural assignment is based on powder/ensemble characterisation; no CIF or single-crystal structure for the electrosynthesised films is supplied.
51-52 · Results · Figure 3 · Linked to 5 structured results
Ni-HHTP-Disc has greater charge-transfer resistance than Ni-HHTP-Flower, consistent with its lower four-point-probe conductivity and denser stacked morphology.
Caveat: EIS comparison is qualitative because fitted charge-transfer resistance values are not reported.
53 · Results · Figure S20 · Linked to 4 structured results
Ni-HHTP-Flower gives the highest capacitance because the lamellar petal morphology and large mesopore distribution make more Ni-HHTP surface accessible to electrolyte.
Caveat: Causal link is supported by morphology, porosity and ECSA trends, but no isolated single-variable pore-control experiment is reported.
52-53 · Results · Figure 4 and Figures S15-S18 · Linked to 5 structured results
HHTP concentration in a constant 22 mL electrolyte controls whether electrosynthesis gives plating/bulk precipitation, Ni-HHTP-Flower or Ni-HHTP-Disc.
Caveat: Disc recipe details other than HHTP loading are not independently restated in SI; interpreted within the reported concentration screen.
51 · Results · Figure 2 · Linked to 5 structured results
Successful anodic Ni-HHTP deposition requires avoiding high-voltage bulk precipitation, low-voltage NiO/Ni(OH)2 passivation, pH-induced passivation and low-pH Ni plating.
Caveat: Thresholds are reported as operational observations, not mapped as full phase diagrams in this paper.
50 · Results · Linked to 4 structured results
Names and aliases are kept exactly within the paper’s own identity model.
| Material | Composition | Structure context | Source |
|---|---|---|---|
| Ni-HHTP nickel hexahydroxytriphenylene conductive MOFBrowse family: Ni₃(HHTP)₂ / Ni–HHTP | Ni-HHTP; HHTP = 2,3,6,7,10,11-hexahydroxytriphenyleneNi nodes, supplied either by Ni(OAc)2 in solvothermal synthesis or by anodic dissolution of nickel foam in electrosynthesis. · 2,3,6,7,10,11-hexahydroxytriphenylene (HHTP). | 2D · PristineTwo-dimensional electrically conductive metal-organic framework; electrosynthesised flower and disc morphologies match solvothermal bulk Ni-HHTP by PXRD, FTIR, XPS and EDS. | 50 · Introduction / Results · Figure 1 |
| Nickel foam substrate/control | Ni foamMetallic nickel foam; serves as anode/current collector and electrochemical blank. | unknown · UnknownPorous conductive nickel substrate used as working electrode/anode and blank control. | S2 · Materials and Instruments |
Sample form, processing state and composition status define the context for measurements.
| Sample | Form and role | Processing and geometry | Source |
|---|---|---|---|
| Blank nickel foamresearch_0070__mat__mat_nickel_foam_control | Electrode · Pristine Control · Unknown | Acid-etched NF substrate used as blank working electrode/control.Nickel foam · 1.5 x 0.5 cm strips; 0.5 x 0.5 cm exposed in electrosynthesis/electrochemistry where specified | S2-S3 · Preparation of Nickel Foam (NF) Electrodes |
| Bulk Ni-HHTP ink electrode on nickel foamresearch_0070__mat__mat_ni_hhtp | Electrode · Composite Sample · Composite | Bulk Ni-HHTP mixed with Super P, PTFE and ethanol, injected into pre-etched NF and dried at 65 deg C for 1 h.Pre-etched nickel foam electrode · 20 uL ink injected into NF; film thickness not reported | S3 · Bulk Ni-HHTP@NF Preparation |
| Solvothermal bulk Ni-HHTP powder/pelletresearch_0070__mat__mat_ni_hhtp | Pellet · Pristine Control · Pristine Framework | Solvothermally synthesised navy-blue powder; washed with water and acetone, vacuum dried at 60 deg C for 1 h; pressed into pellets for conductivity.none · 5 mm diameter pellet for conductivity; pressed under 1.5 tons | S3 · Preparation of Bulk Ni-HHTP Powder |
| Ni-HHTP comparative sample setresearch_0070__mat__mat_ni_hhtp | Unknown · Paper Level Unspecified · Pristine Framework | Comparison set comprising Ni-HHTP-Flower, Ni-HHTP-Disc and bulk Ni-HHTP.Varies: nickel foam for electrosynthesised samples; none for bulk powder. | 52 · Results · Figure 3 |
| Ni-HHTP-Disc on nickel foamresearch_0070__mat__mat_ni_hhtp | Electrode · Target Sample · Pristine Framework | Anodically deposited directly on NF with dense round disc-shaped morphology; electrochemical electrodes dried at 65 deg C for 2 h and rinsed with water then acetonitrile.Nickel foam (NF) · not reported | 51 · Results · Figure 2 |
| Detached Ni-HHTP-Disc powder/pelletresearch_0070__mat__mat_ni_hhtp | Pellet · Target Sample · Pristine Framework | Removed from NF by sonication, washed with water and acetone, dried; pressed into circular pellets for four-point probe conductivity.Removed from nickel foam before powder characterisation; conductivity pellets substrate-free. · 5 mm diameter pellet for conductivity; pressed under 1.5 tons | S2-S3 · Materials and Instruments / Removal |
| Ni-HHTP-Flower on nickel foamresearch_0070__mat__mat_ni_hhtp | Electrode · Target Sample · Pristine Framework | Anodically deposited directly on NF with flower-like lamellar morphology; electrochemical electrodes dried at 65 deg C for 2 h and rinsed with water then acetonitrile.Nickel foam (NF) · not reported | 51 · Results · Figure 2 |
| Detached Ni-HHTP-Flower powder/pelletresearch_0070__mat__mat_ni_hhtp | Pellet · Target Sample · Pristine Framework | Removed from NF by sonication, washed with water and acetone, dried; pressed into circular pellets for four-point probe conductivity.Removed from nickel foam before powder characterisation; conductivity pellets substrate-free. · 5 mm diameter pellet for conductivity; pressed under 1.5 tons | S2-S3 · Materials and Instruments / Removal |