Synthesis evidence

Tailoring of electrocatalytic oxygen evolution reaction performance of 2D conductive Co-catecholate metal-organic frameworks

T P., Narayana M.L., N․K․ M. et al. · Electrochimica Acta · 2025 · 145343

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: Drop Cast

3 · 2.4. Electrocatalytic measurements

Solvents0.5 mL DI water
Additives10 uL of 5% Nafion
Atmospherenot reported; dried under vacuum
Temperatureroom temperature
Time1 h sonication plus 30 min vacuum drying
Substrate orientationglassy carbon electrode
Work-upSonicated to homogeneous ink; 5 uL deposited on GCE; vacuum dried for 30 min.
ActivationElectrochemical CV activation was applied in some tests as 25 cycles between 0.9 and 1.6 V vs RHE at 10 mV/s.
Show 3 structured reagent records
RoleReagentAmount / concentrationSource
OtherCo-CAT-W electrocatalyst1.5 mg3 · 2.4. Electrocatalytic measurements
AdditiveNafion10 uL · 5%3 · 2.4. Electrocatalytic measurements
SolventDI water0.5 mL3 · 2.4. Electrocatalytic measurements
Complete recipeSource: Main

Route 2: Hydrothermal

3 · 2.2. Synthesis of Co-CAT · Scheme 2b

Metal precursorsCo(OAc)2.4H2O (0.4 mmol)
Linker precursorsHHTP (0.21 mmol)
Solvents30 mL deionised water; 2 mL NMP
AdditivesN-methyl-2-pyrrolidone (NMP), 2 mL
Atmospherenot reported
Temperature85
Time0.5
Work-upSame Co-CAT-WO procedure: microwave treatment, centrifugation at 4000 rpm for 10 min, water/acetone washing, room-temperature drying, grinding.
Activationnone reported
Scalability contextMicrowave-assisted method described as rapid, low-reaction-time synthesis; no scale-up yield reported.
Show 5 structured reagent records
RoleReagentAmount / concentrationSource
Metal SourceCo(OAc)2.4H2O0.4 mmol3 · 2.2. Synthesis of Co-CAT · Scheme 2b
LinkerHHTP0.21 mmol3 · 2.2. Synthesis of Co-CAT · Scheme 2b
SolventDI water30 mL3 · 2.2. Synthesis of Co-CAT · Scheme 2b
AdditiveN-Methyl-2-pyrrolidone (NMP)2 mL3 · 2.2. Synthesis of Co-CAT · Scheme 2b
Solventacetoneseveral washes3 · 2.2. Synthesis of Co-CAT · Scheme 2b
Complete recipeSource: Main

Route 3: Drop Cast

3 · 2.4. Electrocatalytic measurements

Solvents0.5 mL DI water
Additives10 uL of 5% Nafion
Atmospherenot reported; dried under vacuum
Temperatureroom temperature
Time1 h sonication plus 30 min vacuum drying
Substrate orientationglassy carbon electrode
Work-upSonicated to homogeneous ink; 5 uL deposited on GCE; vacuum dried for 30 min.
ActivationElectrochemical CV activation was applied in some tests as 25 cycles between 0.9 and 1.6 V vs RHE at 10 mV/s.
Show 3 structured reagent records
RoleReagentAmount / concentrationSource
OtherCo-CAT-WO electrocatalyst1.5 mg3 · 2.4. Electrocatalytic measurements
AdditiveNafion10 uL · 5%3 · 2.4. Electrocatalytic measurements
SolventDI water0.5 mL3 · 2.4. Electrocatalytic measurements
Complete recipeSource: Main

Route 4: Hydrothermal

3 · 2.2. Synthesis of Co-CAT · Scheme 2a

Metal precursorsCo(OAc)2.4H2O (0.4 mmol)
Linker precursorsHHTP (0.21 mmol)
Solvents30 mL deionised water
Atmospherenot reported
Temperature85
Time0.5
Work-upCentrifuged at 4000 rpm for 10 min; washed with water and acetone several times; dried at room temperature; ground.
Activationnone reported
Scalability contextMicrowave-assisted method described as rapid, low-reaction-time synthesis; no scale-up yield reported.
Show 4 structured reagent records
RoleReagentAmount / concentrationSource
Metal SourceCo(OAc)2.4H2O0.4 mmol3 · 2.2. Synthesis of Co-CAT · Scheme 2a
Linker2,3,6,7,10,11-hexahydroxytriphenylene (HHTP)0.21 mmol3 · 2.2. Synthesis of Co-CAT · Scheme 2a
SolventDI water30 mL3 · 2.2. Synthesis of Co-CAT · Scheme 2a
Solventacetoneseveral washes3 · 2.2. Synthesis of Co-CAT · Scheme 2a