cMOF Evidence Base

Synthesis evidence

Proton-electron coupling and mixed conductivity in a hydrogen-bonded coordination polymer

Park M., Ju H., Oh J. et al. · Nature Communications · 2025 · 1316

4 structured synthesis routes

Completeness describes how fully the route could be reconstructed from the main article and supporting information.

Complete recipeSource: Main

Route 1: Other

8 · Methods · Fig. 2b,c

Metal precursors[Ni(bpy)(H2O)2(NO3)2]n precursor
Linker precursorsbpy already present in precursor; DMF coordinates during conversion
SolventsDimethylformamide (DMF, Samchun, 99.5%)
AtmosphereSealed vial; avoid highly humid environments during dispersion
Temperatureroom temperature
Time72
Work-upFiltered through nylon syringe filter (450 nm), sealed 72 h, filtered through nylon filter, rigorously rinsed with MIBK.
ActivationKept under vacuum for 24 h for further analysis.
Show 3 structured reagent records
RoleReagentAmount / concentrationSource
Other[Ni(bpy)(H2O)2(NO3)2]n precursor0.1 g/mL in DMF8 · Methods · Fig. 2b,c
Solventdimethylformamide99.5%8 · Methods · Fig. 2b,c
Solventmethyl isobutyl ketonerinse · 99%8 · Methods · Fig. 2b,c
Complete recipeSource: Main

Route 2: Drop Cast

9 · Methods · Fig. 2e; Fig. 6a

Metal precursors[Ni(bpy)(H2O)2(NO3)2]n precursor
Linker precursorsbpy already present in precursor; DMF solvent/ligand
SolventsDMF dispersion
AtmosphereAmbient; humidity not otherwise specified
Temperatureroom temperature
Substrate orientationArbitrary substrates including glass and PET
Work-upDip-coating or drop-drying a filtered dispersion onto substrates.
ActivationNo separate activation reported.
Scalability contextGel is thick and separable; introduced for higher-resistance memristive devices.
Show 2 structured reagent records
RoleReagentAmount / concentrationSource
Other[Ni(bpy)(H2O)2(NO3)2]n precursor0.375 g/mL in DMF9 · Methods · Fig. 2e; Fig. 6a
Solventdimethylformamide0.375 g/mL dispersion9 · Methods · Fig. 2e; Fig. 6a
Complete recipeSource: Main

Route 3: Other

8 · Methods · Fig. 2d

Metal precursors[Ni(bpy)(H2O)2(NO3)2]n precursor
Linker precursorsbpy already present in precursor; DMF solvent/ligand
SolventsDMF dispersion, 0.1 g/mL
AtmosphereAmbient spin coating; substrate air-plasma treated
Temperatureroom temperature
Substrate orientationSiO2(300 nm)/Si, quartz, ITO glass, PET
Work-upFiltered DMF dispersion directly spin-coated; 800 rpm for 10 s then 2000 rpm for 60 s.
ActivationNo separate activation reported for films.
Scalability contextAuthors state films can be spin-coated onto arbitrary rigid and flexible substrates.
Show 2 structured reagent records
RoleReagentAmount / concentrationSource
Other[Ni(bpy)(H2O)2(NO3)2]n precursor0.1 g/mL in DMF8 · Methods · Fig. 2d
Solventdimethylformamide0.1 g/mL dispersion8 · Methods · Fig. 2d
Complete recipeSource: Main

Route 4: Other

8 · Methods

Metal precursorsNi(NO3)2.6(H2O) (Alfa Aesar, 98%), 5 mmol
Linker precursors4,4'-bipyridine (Acros Organics, 98%), 5 mmol
SolventsEthanol (Samchun, 99.8%), 6 mL
AtmosphereNot specified; stored dry after isolation
Temperatureroom temperature
Work-upImmediate precipitate formation after mixing, promoted by sonication; filtered through nylon filter and rinsed with ethanol.
ActivationStored in dry conditions for following synthesis processes.
Show 3 structured reagent records
RoleReagentAmount / concentrationSource
Metal SourceNi(NO3)2.6(H2O)5 mmol8 · Methods
Linker4,4'-bipyridine5 mmol8 · Methods
Solventethanol6 mL8 · Methods