Synthesis evidence

Nanostructured CuO/C Hollow Shell@3D Copper Dendrites as a Highly Efficient Electrocatalyst for Oxygen Evolution Reaction

Zhang B., Li C., Yang G. et al. · ACS Applied Materials and Interfaces · 2018 · 23807-23812

6 structured synthesis routes

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

Complete recipeSource: SI

Route 1: Other

S-2 · 1.1 Synthesis of Cu2O-Cu NDs and Annealed NDs

Metal precursorsas-prepared Cu2O-Cu NDs
Atmosphereair furnace
Temperature300
Time2
Substrate orientationCu2O-Cu NDs on Cu foil
Oxidant / reductantair oxidation
Activationheat treatment at 300 C for 2 h in air
Show 1 structured reagent record
RoleReagentAmount / concentrationSource
Otheras-prepared Cu2O-Cu NDsNot specifiedS-2 · 1.1 Synthesis of Cu2O-Cu NDs and Annealed NDs
Complete recipeSource: SI

Route 2: Electrochemical

S-2 · 1.1 Synthesis of Cu2O-Cu NDs and Annealed NDs

Metal precursorsCuSO4 electrolyte and Cu foil working electrode
Solventsaqueous electrolyte
Additives0.2 mM cetyltrimethyl ammonium bromide (CTAB)
Time0.0417
Substrate orientationCu foil working electrode, 1 cm2
Oxidant / reductant0.5 M H2SO4 + 0.1 M CuSO4 oxidising electrolyte; hydrogen-bubble-templated electrodeposition
Work-upPrior to electrodeposition, Cu foil polished with 800 and 1200 grit abrasive paper, rinsed with deionised water and ethanol.
Scalability contextElectrodeposition on 1 cm2 Cu foil; no scale-up study reported.
Show 5 structured reagent records
RoleReagentAmount / concentrationSource
ElectrolyteH2SO40.5 MS-2 · 1.1 Synthesis of Cu2O-Cu NDs and Annealed NDs
Metal SourceCuSO40.1 MS-2 · 1.1 Synthesis of Cu2O-Cu NDs and Annealed NDs
AdditiveCetyltrimethyl Ammonium Bromide (CTAB)0.2 mMS-2 · 1.1 Synthesis of Cu2O-Cu NDs and Annealed NDs
OtherCu foil working electrode1 cm2S-2 · 1.1 Synthesis of Cu2O-Cu NDs and Annealed NDs
Otherplatinum foil counter electrode1.5 cm2S-2 · 1.1 Synthesis of Cu2O-Cu NDs and Annealed NDs
Complete recipeSource: SI

Route 3: Solvothermal

S-2 · 1.2 Synthesis of MOFs coated NDs

Metal precursorsCu/Cu2O NDs provide Cu2O/Cu surface for partial transformation into Cu-MOF
Linker precursorsTrimesic acid (BTC)
Solventsbenzyl alcohol
Atmospheresealed/closed glass bottle implied; oven
Temperature60
Time12
Substrate orientationas-deposited NDs transferred into glass bottle
Work-upRinsed with ethanol and deionised water several times and dried in oven.
ActivationDried before and after coating.
Scalability context20 mL benzyl alcohol solution; no scale-up reported.
Show 5 structured reagent records
RoleReagentAmount / concentrationSource
LinkerTrimesic acid (BTC)8 mgS-2 · 1.2 Synthesis of MOFs coated NDs
Solventbenzyl alcohol20 mLS-2 · 1.2 Synthesis of MOFs coated NDs
Metal Sourceas-deposited Cu2O-Cu NDsNot specifiedS-2 · 1.2 Synthesis of MOFs coated NDs
Solventethanol rinseNot specifiedS-2 · 1.2 Synthesis of MOFs coated NDs
Solventdeionized water rinseNot specifiedS-2 · 1.2 Synthesis of MOFs coated NDs
Complete recipeSource: SI

Route 4: Other

S-2 · 1.3 Synthesis of HS-CuO/C NDs, PS-CuO/C NDs and PS-CuO NDs

Metal precursorsMOFs coated NDs / HKUST-1-coated Cu/Cu2O NDs
Linker precursorsHKUST-1/BTC-derived carbon precursor
AtmosphereAr flow then air flow
Temperature350 then 250
Time0.5 then 2
Substrate orientationMOF-coated NDs electrode
Oxidant / reductantAr-induced HKUST-1 decomposition followed by air oxidation/calcination
ActivationTwo-step heat treatment: 350 C for 30 min under Ar, then 250 C for 2 h under air.
Show 3 structured reagent records
RoleReagentAmount / concentrationSource
OtherMOFs coated NDsNot specifiedS-2 · 1.3 Synthesis of HS-CuO/C NDs, PS-CuO/C NDs and PS-CuO NDs
OtherAr flowNot specifiedS-2 · 1.3 Synthesis of HS-CuO/C NDs, PS-CuO/C NDs and PS-CuO NDs
Oxidantair flowNot specifiedS-2 · 1.3 Synthesis of HS-CuO/C NDs, PS-CuO/C NDs and PS-CuO NDs
Complete recipeSource: SI

Route 5: Other

S-3 · 1.3 Synthesis of HS-CuO/C NDs, PS-CuO/C NDs and PS-CuO NDs

Metal precursorsMOFs coated NDs / HKUST-1-coated Cu/Cu2O NDs
Linker precursorsHKUST-1/BTC-derived precursor removed/oxidised in air
Atmosphereair flow
Temperature350
Time2
Substrate orientationMOF-coated NDs electrode
Oxidant / reductantdirect air oxidation/calcination
ActivationDirect heat treatment at 350 C for 2 h under air flow.
Show 2 structured reagent records
RoleReagentAmount / concentrationSource
OtherMOFs coated NDsNot specifiedS-3 · 1.3 Synthesis of HS-CuO/C NDs, PS-CuO/C NDs and PS-CuO NDs
Oxidantair flowNot specifiedS-3 · 1.3 Synthesis of HS-CuO/C NDs, PS-CuO/C NDs and PS-CuO NDs
Complete recipeSource: SI

Route 6: Other

S-2 to S-3 · 1.3 Synthesis of HS-CuO/C NDs, PS-CuO/C NDs and PS-CuO NDs

Metal precursorsMOFs coated NDs / HKUST-1-coated Cu/Cu2O NDs
Linker precursorsHKUST-1/BTC-derived carbon precursor
AtmosphereAr flow then air flow
Temperature350 then 250
Time2 then 1
Substrate orientationMOF-coated NDs electrode
Oxidant / reductantAr calcination followed by air annealing
Activation350 C for 2 h under Ar, then 250 C for 1 h under air.
Show 3 structured reagent records
RoleReagentAmount / concentrationSource
OtherMOFs coated NDsNot specifiedS-2 to S-3 · 1.3 Synthesis of HS-CuO/C NDs, PS-CuO/C NDs and PS-CuO NDs
OtherAr flowNot specifiedS-2 to S-3 · 1.3 Synthesis of HS-CuO/C NDs, PS-CuO/C NDs and PS-CuO NDs
Oxidantair flowNot specifiedS-2 to S-3 · 1.3 Synthesis of HS-CuO/C NDs, PS-CuO/C NDs and PS-CuO NDs