Synthesis evidence

In situ construction of a dual-metal 2D conjugated metal-organic framework on carbon paper for asymmetric supercapacitors

Qian L., Tong Z., Jia Y. et al. · Electrochemistry Communications · 2025 · 108077

7 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

2 · 2.1. Carbon paper activation treatment

Solventsconcentrated nitric acid; sulfuric acid solution; acetone; anhydrous ethanol; ultrapure water
Additivespotassium dichromate in sulfuric acid solution
Atmospherenot specified
Temperature80 reflux; 70 vacuum dry
Time5 reflux; 3 soak; 12 dry
Substrate orientationhydrophobic carbon paper, 1 x 1.2 cm, 0.2 mm thick
Oxidant / reductantconcentrated nitric acid; potassium dichromate
Work-upcool; transfer to sulfuric acid solution containing potassium dichromate; rinse sequentially with acetone, anhydrous ethanol, and ultrapure water
Activationacid oxidation to hydrophilic carbon paper with oxygen-containing groups
Scalability contextReported on 1 x 1.2 cm carbon paper pieces.
Show 7 structured reagent records
RoleReagentAmount / concentrationSource
OtherToray raw carbon paper TGPH 0601 x 1.2 cm, 0.2 mm thick2 · 2.1. Carbon paper activation treatment
Acidconcentrated nitric acidconcentrated2 · 2.1. Carbon paper activation treatment
Acidsulfuric acid solutionNot specified2 · 2.1. Carbon paper activation treatment
Oxidantpotassium dichromateNot specified2 · 2.1. Carbon paper activation treatment
SolventacetoneNot specified2 · 2.1. Carbon paper activation treatment
Solventanhydrous ethanolNot specified2 · 2.1. Carbon paper activation treatment
Solventultrapure waterNot specified2 · 2.1. Carbon paper activation treatment
Partial recipeSource: Main

Route 2: Hydrothermal

2 · 2.2. Synthesis of M1/M2-HHTP@CP electrode materials

Metal precursorsCo and Cu acetate sources; metal ratio 1:1; exact Co/Cu@CP masses not separately specified
Linker precursorsHHTP, inferred from Co/Ni-HHTP@CP route
Solventsdeionised water, sodium acetate solution, and DMF, inferred similar to Co/Ni-HHTP@CP
Additivessodium acetate solution, inferred
Atmospherenot specified
Temperature85
Time24
Substrate orientationactivated carbon paper immersed in precursor solution
Work-upinferred wash with deionised water and acetone; vacuum dry at 60 C
Activationdry under vacuum at 60 C, inferred
Show 4 structured reagent records
RoleReagentAmount / concentrationSource
Metal SourceCo acetate sourcenot specified for @CP route2 · 2.2. Synthesis of M1/M2-HHTP@CP electrode materials
Metal SourceCu acetate sourcenot specified for @CP route2 · 2.2. Synthesis of M1/M2-HHTP@CP electrode materials
LinkerHHTPinferred 14 mg from Co/Ni-HHTP@CP2 · 2.2. Synthesis of M1/M2-HHTP@CP electrode materials
Otheractivated carbon paperNot specified2 · 2.2. Synthesis of M1/M2-HHTP@CP electrode materials
Complete recipeSource: SI

Route 3: Solvothermal

Preparation method

Metal precursors10 mg Co(OAc)2.4H2O and 7.8 mg Cu(OAc)2.2H2O; Co/Cu = 1:1
Linker precursors14 mg HHTP
Solvents4 mL deionised water; 1 mL DMF
Atmospherenot specified
Temperature85
Time24
Work-upcool to room temperature; wash sequentially with deionised water and acetone
Activationdry under vacuum at 60 C
Show 5 structured reagent records
RoleReagentAmount / concentrationSource
Metal SourceCo(OAc)2.4H2O10 mgPreparation method
Metal SourceCu(OAc)2.2H2O7.8 mgPreparation method
LinkerHHTP14 mgPreparation method
Solventdeionized water4 mLPreparation method
SolventDMF1 mLPreparation method
Complete recipeSource: Main

Route 4: Hydrothermal

2 · 2.2. Synthesis of M1/M2-HHTP@CP electrode materials

Metal precursors10 mg Co(OAc)2.4H2O and 10 mg Ni(OAc)2.4H2O; Co/Ni = 1:1
Linker precursors14 mg HHTP
Solvents4 mL deionised water; 1 mL DMF; 4 mL sodium acetate solution
Additivessodium acetate solution, 4 mol L-1
Atmospherenot specified
Temperature85
Time24
Substrate orientationactivated carbon paper immersed in the metal precursor solution
Work-upcool to room temperature; remove carbon paper; wash sequentially with deionised water and acetone
Activationdry under vacuum at 60 C
Scalability contextDirect binder-free electrode growth on 1 x 1.2 cm carbon paper.
Show 7 structured reagent records
RoleReagentAmount / concentrationSource
Metal SourceCo(OAc)2.4H2O10 mg2 · 2.2. Synthesis of M1/M2-HHTP@CP electrode materials
Metal SourceNi(OAc)2.4H2O10 mg2 · 2.2. Synthesis of M1/M2-HHTP@CP electrode materials
LinkerHHTP14 mg2 · 2.2. Synthesis of M1/M2-HHTP@CP electrode materials
Solventdeionized water4 mL2 · 2.2. Synthesis of M1/M2-HHTP@CP electrode materials
Basesodium acetate solution4 mL · 4 mol L-12 · 2.2. Synthesis of M1/M2-HHTP@CP electrode materials
SolventDMF1 mL2 · 2.2. Synthesis of M1/M2-HHTP@CP electrode materials
Otheractivated carbon paperNot specified2 · 2.2. Synthesis of M1/M2-HHTP@CP electrode materials
Complete recipeSource: SI

Route 5: Solvothermal

Preparation method

Metal precursors10 mg Co(OAc)2.4H2O and 10 mg Ni(OAc)2.4H2O; Co/Ni = 1:1
Linker precursors14 mg HHTP
Solvents5.5 mL deionised water; 0.15 mL DMF
Atmospherenot specified
Temperature85
Time24
Work-upcool to room temperature; wash sequentially with deionised water and acetone
Activationdry under vacuum at 60 C
Show 5 structured reagent records
RoleReagentAmount / concentrationSource
Metal SourceCo(OAc)2.4H2O10 mgPreparation method
Metal SourceNi(OAc)2.4H2O10 mgPreparation method
LinkerHHTP14 mgPreparation method
Solventdeionized water5.5 mLPreparation method
SolventDMF0.15 mLPreparation method
Partial recipeSource: Main

Route 6: Hydrothermal

2 · 2.2. Synthesis of M1/M2-HHTP@CP electrode materials

Metal precursorsCu and Ni acetate sources; metal ratio 1:1; exact Cu/Ni@CP masses not separately specified
Linker precursorsHHTP, inferred from Co/Ni-HHTP@CP route
Solventsdeionised water, sodium acetate solution, and DMF, inferred similar to Co/Ni-HHTP@CP
Additivessodium acetate solution, inferred
Atmospherenot specified
Temperature85
Time24
Substrate orientationactivated carbon paper immersed in precursor solution
Work-upinferred wash with deionised water and acetone; vacuum dry at 60 C
Activationdry under vacuum at 60 C, inferred
Show 4 structured reagent records
RoleReagentAmount / concentrationSource
Metal SourceCu acetate sourcenot specified for @CP route2 · 2.2. Synthesis of M1/M2-HHTP@CP electrode materials
Metal SourceNi acetate sourcenot specified for @CP route2 · 2.2. Synthesis of M1/M2-HHTP@CP electrode materials
LinkerHHTPinferred 14 mg from Co/Ni-HHTP@CP2 · 2.2. Synthesis of M1/M2-HHTP@CP electrode materials
Otheractivated carbon paperNot specified2 · 2.2. Synthesis of M1/M2-HHTP@CP electrode materials
Complete recipeSource: SI

Route 7: Solvothermal

Preparation method

Metal precursors10 mg Ni(OAc)2.4H2O and 7.8 mg Cu(OAc)2.2H2O; Cu/Ni = 1:1
Linker precursors14 mg HHTP
Solvents4 mL deionised water; 1 mL DMF
Atmospherenot specified
Temperature85
Time24
Work-upcool to room temperature; wash sequentially with deionised water and acetone
Activationdry under vacuum at 60 C
Show 5 structured reagent records
RoleReagentAmount / concentrationSource
Metal SourceNi(OAc)2.4H2O10 mgPreparation method
Metal SourceCu(OAc)2.2H2O7.8 mgPreparation method
LinkerHHTP14 mgPreparation method
Solventdeionized water4 mLPreparation method
SolventDMF1 mLPreparation method