Synthesis evidence

A two-dimensional semiconducting covalent organic framework with nickel(II) coordination for high capacitive performance

Li T., Zhang W.-D., Liu Y. et al. · Journal of Materials Chemistry A · 2019 · 19676-19681

6 structured synthesis routes

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

Partial recipeSource: SI

Route 1: Other

SI p.3 · Electrochemical performance experiments

Solvents3 M KOH aqueous electrolyte
AdditivesActivated carbon negative electrode
Work-upAsymmetric supercapacitor assembled with Ni-COF positive and activated carbon negative electrodes.
Show 3 structured reagent records
RoleReagentAmount / concentrationSource
OtherNi-COF positive electrodeNot specifiedSI p.3 · Electrochemical performance experiments
Otheractivated carbon (AC) negative electrodeNot specifiedSI p.3 · Electrochemical performance experiments
ElectrolyteKOH aqueous electrolyte3 MSI p.3 · Electrochemical performance experiments
Complete recipeSource: SI

Route 2: Other

SI p.3 · Electrochemical performance experiments

SolventsEthanol dispersion solvent
AdditivesAcetylene black and poly(tetrafluoroethylene) binder
Substrate orientationNi foam substrate, 1 cm2
Work-upUltrasonication to make slurry; slurry coated on Ni foam.
Scalability contextMass loading of active material on Ni foam was 5.0 mg cm^-2.
Show 4 structured reagent records
RoleReagentAmount / concentrationSource
OtherNi0-COF active material8 parts by mass in active material:acetylene black:PTFE = 8:1:1SI p.3 · Electrochemical performance experiments
Additiveacetylene black1 part by massSI p.3 · Electrochemical performance experiments
Additivepoly(tetrafluoroethylene)1 part by massSI p.3 · Electrochemical performance experiments
SolventethanolNot specifiedSI p.3 · Electrochemical performance experiments
Complete recipeSource: SI

Route 3: Solvothermal

SI p.6 · Synthesis of Ni0-COF

Linker precursorsBTA, 20 mg, 0.07 mmol; HBC, 27.4 mg, 0.14 mmol
Solvents0.5 mL mesitylene and 1.5 mL 1,4-dioxane
Additives0.2 mL of 3 M aqueous acetic acid (AcOH)
AtmosphereSealed Teflon-lined stainless steel autoclave; atmosphere not specified.
Temperature120
Time72
Work-upCooled to room temperature; brown precipitate collected by filtration and washed with THF (3 x 20 mL), DMF (3 x 20 mL), and MeOH (3 x 20 mL).
ActivationSoxhlet extracted by THF for 24 h, then dried at 80 C under vacuum for 24 h.
Scalability contextSmall autoclave batch in ca. 10 mL glass bottle; 81% yield reported.
Show 5 structured reagent records
RoleReagentAmount / concentrationSource
Linker1,2,4,5-benzenetetraamine tetrahydrochloride (BTA)20 mg, 0.07 mmolSI p.6 · Synthesis of Ni0-COF
Linker2,5-dihydroxy-1,4-benzenedicarboxaldehyde (HBC)27.4 mg, 0.14 mmolSI p.6 · Synthesis of Ni0-COF
Acidaqueous acetic acid (AcOH)0.2 mL · 3 MSI p.6 · Synthesis of Ni0-COF
Solventmesitylene0.5 mLSI p.6 · Synthesis of Ni0-COF
Solvent1,4-dioxane1.5 mLSI p.6 · Synthesis of Ni0-COF
Complete recipeSource: SI

Route 4: Other

SI p.3 · Electrochemical performance experiments

SolventsEthanol dispersion solvent
AdditivesAcetylene black and poly(tetrafluoroethylene) binder
Substrate orientationNi foam substrate, 1 cm2
Work-upUltrasonication to make slurry; slurry coated on Ni foam.
Scalability contextMass loading of active material on Ni foam was 5.0 mg cm^-2.
Show 4 structured reagent records
RoleReagentAmount / concentrationSource
OtherNi-COF active material8 parts by mass in active material:acetylene black:PTFE = 8:1:1SI p.3 · Electrochemical performance experiments
Additiveacetylene black1 part by massSI p.3 · Electrochemical performance experiments
Additivepoly(tetrafluoroethylene)1 part by massSI p.3 · Electrochemical performance experiments
SolventethanolNot specifiedSI p.3 · Electrochemical performance experiments
Complete recipeSource: Both

Route 5: Solvothermal

SI p.5 · Synthesis of Ni-COF

Metal precursorsExcess Ni(OAc)2.4H2O
Linker precursorsBTA, 20 mg, 0.07 mmol; HBC, 27.4 mg, 0.14 mmol
Solvents0.5 mL mesitylene and 1.5 mL 1,4-dioxane
AtmosphereSealed Teflon-lined stainless steel autoclave; atmosphere not specified.
Temperature120
Time72
Work-upCooled to room temperature; black precipitate collected by filtration and washed with THF (3 x 20 mL), DMF (3 x 20 mL), and MeOH (3 x 20 mL).
ActivationSoxhlet extracted by THF for 24 h, then dried at 80 C under vacuum for 24 h.
Scalability contextSmall autoclave batch in ca. 10 mL glass bottle; 86% yield reported.
Show 5 structured reagent records
RoleReagentAmount / concentrationSource
Linker1,2,4,5-benzenetetraamine tetrahydrochloride (BTA)20 mg, 0.07 mmolSI p.5 · Synthesis of Ni-COF
Linker2,5-dihydroxy-1,4-benzenedicarboxaldehyde (HBC)27.4 mg, 0.14 mmolSI p.5 · Synthesis of Ni-COF
Metal SourceNi(OAc)2.4H2OexcessSI p.5 · Synthesis of Ni-COF
Solventmesitylene0.5 mLSI p.5 · Synthesis of Ni-COF
Solvent1,4-dioxane1.5 mLSI p.5 · Synthesis of Ni-COF
Vague recipeSource: Main

Route 6: Other

main p.3, article p.19678 · Electrical conductivity · Fig. 2i

Substrate orientationQuartz substrate