Synthesis evidence

Enhanced conductivity and energy storing performances of 3D bimetallic conductive metal-organic frameworks based on linear π-conjugated thiazole for supercapacitors

Wang C., He Y., Xie J. et al. · Chemical Engineering Journal · 2025 · 167834

8 structured synthesis routes

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

Complete recipeSource: Both

Route 1: Hydrothermal

2 · 2.2

Metal precursorsCo(NO3)2.6H2O (7.85 mg, 0.027 mmol)
Linker precursorsBDC (4.98 mg, 0.03 mmol); DPTTZ (7.4 mg, 0.025 mmol)
Solventsdeionised water (0.5 mL) and DMF (2 mL)
Atmospherenot stated
Temperature120
Time24
Work-upcentrifugation; washed sequentially with water and DMF
Activationvacuum dried at 80 C for 12 h
Show 5 structured reagent records
RoleReagentAmount / concentrationSource
Metal SourceCo(NO3)2.6H2O7.85 mg, 0.027 mmol2 · 2.2
LinkerBDC4.98 mg, 0.03 mmol2 · 2.2
LinkerDPTTZ7.4 mg, 0.025 mmol2 · 2.2
Solventdeionized water0.5 mL2 · 2.2
SolventDMF2 mL2 · 2.2
Partial recipeSource: Both

Route 2: Other

2 · 2.1 · Fig. 1a; Scheme S1 referenced

Metal precursorsnone
Linker precursors4-picolinic acid (0.4 mL) and dithiourea (200 mg); section text also describes pyridinecarboxaldehyde and dithiooxamide
SolventsDMF (10 mL)
Atmosphereambient environment described for the condensation; no inert gas stated
Temperature153
Time5
Work-upcooled to ambient temperature using an ice bath; isolated by filtration; washed thoroughly with deionised water
Activationdried under reduced pressure
Scalability contextAuthors describe the DPTTZ synthesis as straightforward and in an ambient environment.
Show 3 structured reagent records
RoleReagentAmount / concentrationSource
Linker4-picolinic acid0.4 mL2 · 2.1 · Fig. 1a; Scheme S1 referenced
Linkerdithiourea200 mg2 · 2.1 · Fig. 1a; Scheme S1 referenced
SolventDMF10 mL2 · 2.1 · Fig. 1a; Scheme S1 referenced
Partial recipeSource: Both

Route 3: Hydrothermal

3 · 2.3

Metal precursorsCo(NO3)2.6H2O and Ni(NO3)2.6H2O, x:y = 1:1, total metal ions 0.027 mmol
Linker precursorsBDC (4.98 mg, 0.03 mmol); DPTTZ (7.4 mg, 0.025 mmol)
SolventsDMF (2 mL) and water (0.5 mL)
Atmospherenot stated
Temperature120
Time24
Work-upobtained products after hydrothermal reaction; detailed washing/drying not repeated for bimetallic route
Activationnot stated in bimetallic subsection
Show 6 structured reagent records
RoleReagentAmount / concentrationSource
Metal SourceCo(NO3)2.6H2Opart of total metal ions 0.027 mmol, x:y = 1:13 · 2.3
Metal SourceNi(NO3)2.6H2Opart of total metal ions 0.027 mmol, x:y = 1:13 · 2.3
LinkerBDC4.98 mg, 0.03 mmol3 · 2.3
LinkerDPTTZ7.4 mg, 0.025 mmol3 · 2.3
SolventDMF2 mL3 · 2.3
Solventwater0.5 mL3 · 2.3
Partial recipeSource: Both

Route 4: Hydrothermal

3 · 2.3

Metal precursorsCo(NO3)2.6H2O and Ni(NO3)2.6H2O, x:y = 1:3, total metal ions 0.027 mmol
Linker precursorsBDC (4.98 mg, 0.03 mmol); DPTTZ (7.4 mg, 0.025 mmol)
SolventsDMF (2 mL) and water (0.5 mL)
Atmospherenot stated
Temperature120
Time24
Work-upobtained products after hydrothermal reaction; detailed washing/drying not repeated for bimetallic route
Activationnot stated in bimetallic subsection
Show 6 structured reagent records
RoleReagentAmount / concentrationSource
Metal SourceCo(NO3)2.6H2Opart of total metal ions 0.027 mmol, x:y = 1:33 · 2.3
Metal SourceNi(NO3)2.6H2Opart of total metal ions 0.027 mmol, x:y = 1:33 · 2.3
LinkerBDC4.98 mg, 0.03 mmol3 · 2.3
LinkerDPTTZ7.4 mg, 0.025 mmol3 · 2.3
SolventDMF2 mL3 · 2.3
Solventwater0.5 mL3 · 2.3
Partial recipeSource: Both

Route 5: Other

3 · 2.5 · Fig. S25 referenced

Metal precursorsNi3Co1-DPTTZ-MOF positive electrode
Solvents3.0 M KOH electrolyte
Additivesactivated carbon negative electrode; glass microfiber filter separator
Atmospherenot stated
Work-upassembled as asymmetric supercapacitor with mass ratio positive:negative = 1:1.6
Show 3 structured reagent records
RoleReagentAmount / concentrationSource
OtherNi3Co1-DPTTZ-MOF positive electrodeactive mass < 1 mg cm-2 for cathode in device section3 · 2.5 · Fig. S25 referenced
Otheractivated carbon negative electrodemass ratio positive:negative = 1:1.63 · 2.5 · Fig. S25 referenced
ElectrolyteKOH3.0 M3 · 2.5 · Fig. S25 referenced
Partial recipeSource: Both

Route 6: Hydrothermal

3 · 2.3

Metal precursorsCo(NO3)2.6H2O and Ni(NO3)2.6H2O, x:y = 3:1, total metal ions 0.027 mmol
Linker precursorsBDC (4.98 mg, 0.03 mmol); DPTTZ (7.4 mg, 0.025 mmol)
SolventsDMF (2 mL) and water (0.5 mL)
Atmospherenot stated
Temperature120
Time24
Work-upobtained products after hydrothermal reaction; detailed washing/drying not repeated for bimetallic route
Activationnot stated in bimetallic subsection
Show 6 structured reagent records
RoleReagentAmount / concentrationSource
Metal SourceCo(NO3)2.6H2Opart of total metal ions 0.027 mmol, x:y = 3:13 · 2.3
Metal SourceNi(NO3)2.6H2Opart of total metal ions 0.027 mmol, x:y = 3:13 · 2.3
LinkerBDC4.98 mg, 0.03 mmol3 · 2.3
LinkerDPTTZ7.4 mg, 0.025 mmol3 · 2.3
SolventDMF2 mL3 · 2.3
Solventwater0.5 mL3 · 2.3
Partial recipeSource: Both

Route 7: Hydrothermal

2 · 2.2

Metal precursorsNi(NO3)2.6H2O substituted for Co(NO3)2.6H2O; amount not independently stated
Linker precursorsBDC (4.98 mg, 0.03 mmol); DPTTZ (7.4 mg, 0.025 mmol)
Solventsdeionised water (0.5 mL) and DMF (2 mL)
Atmospherenot stated
Temperature120
Time24
Work-upsame as Co-DPTTZ-MOF: centrifugation, water/DMF washing
Activationsame as Co-DPTTZ-MOF: vacuum dried at 80 C for 12 h
Show 5 structured reagent records
RoleReagentAmount / concentrationSource
Metal SourceNi(NO3)2.6H2Osubstituted for Co(NO3)2.6H2O; amount not stated2 · 2.2
LinkerBDC4.98 mg, 0.03 mmol2 · 2.2
LinkerDPTTZ7.4 mg, 0.025 mmol2 · 2.2
Solventdeionized water0.5 mL2 · 2.2
SolventDMF2 mL2 · 2.2
Partial recipeSource: Both

Route 8: Other

3 · 2.4

Metal precursorspre-synthesised NiCo-DPTTZ-MOFs
Solventsisopropanol; PVDF dispersed in N-methyl pyrrolidone at 20 mg mL-1
Additivespolyvinylidene fluoride binder; Ketjen Black conductive agent
Atmospherenot stated
Temperature60
Timeovernight drying
Substrate orientation1 cm x 2 cm nickel foam
Work-upmixed at 80:15:5 active material:binder:conductive agent, ground to slurry, applied to nickel foam
Activationvacuum-dried at 60 C overnight; pressed at 10 MPa for 5 s
Show 4 structured reagent records
RoleReagentAmount / concentrationSource
OtherNiCo-DPTTZ-MOFs active material80 wt parts3 · 2.4
Additivepolyvinylidene fluoride binder15 wt parts · 20 mg mL-1 in N-methyl pyrrolidone3 · 2.4
AdditiveKetjen Black conductive agent5 wt parts3 · 2.4
SolventisopropanolNot specified3 · 2.4