Synthesis evidence

Engineering Band Gap and Photoconduction in Semiconducting Metal Organic Frameworks: Metal Node Effect

Nyakuchena J., Ostresh S., Neu J. et al. · Journal of Physical Chemistry Letters · 2023 · 5960-5965

6 structured synthesis routes

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

Complete recipeSource: Both

Route 1: Other

2 · MOF synthesis

Metal precursorsCu(NO3)2.2.5H2O (532 mg, 2.29 mmol)
Linker precursorsTHQ solution (300 mg, 1.74 mmol)
Solventsdegassed H2O (100 mL for metal/en solution; 100 mL for THQ solution)
Additivesethylenediamine (en, 230 mL as reported, 3.45 mmol)
AtmosphereN2 protection
Temperatureroom temperature; drying at 80
Time12 h stirring; 12 h drying
Work-upWashed with H2O (100 mL x 2) and acetone (50 mL x 2).
ActivationDried at 80 oC for 12 h.
Show 5 structured reagent records
RoleReagentAmount / concentrationSource
Metal SourceCu(NO3)2.2.5H2O532 mg, 2.29 mmol2 · MOF synthesis
LinkerTHQ300 mg, 1.74 mmol2 · MOF synthesis
Baseethylenediamine (en)230 mL, 3.45 mmol2 · MOF synthesis
Solventdegassed H2O200 mL total2 · MOF synthesis
Solventacetone50 mL x 2 wash2 · MOF synthesis
Complete recipeSource: Both

Route 2: Solvothermal

3 · MOF synthesis

Metal precursorsFeSO4.7H2O (159 mg, 0.57 mmol)
Linker precursorsTHQ (75 mg, 0.44 mmol)
Solventsdegassed H2O (85 mL metal/en solution; 25 mL THQ solution)
Additivesethylenediamine (29 mL as reported, 0.43 mmol)
Atmosphereunder N2; pressure tube
Temperature65; drying at 80
Time12 h heating; 12 h drying
Work-upCooled to room temperature; collected and washed by centrifugation with deionized water (20 mL x 3) and acetone (20 mL x 3).
ActivationDried at 80 oC for 12 h.
Scalability contextReported product mass: 80 mg.
Show 5 structured reagent records
RoleReagentAmount / concentrationSource
Metal SourceFeSO4.7H2O159 mg, 0.57 mmol3 · MOF synthesis
LinkerTHQ75 mg, 0.44 mmol3 · MOF synthesis
Baseethylenediamine29 mL, 0.43 mmol3 · MOF synthesis
Solventdegassed H2O85 mL + 25 mL3 · MOF synthesis
Solventacetone20 mL x 3 wash3 · MOF synthesis
Complete recipeSource: SI

Route 3: Drop Cast

4 · Linear sweeep voltametry (LSV)

SolventsH2O (45 uL), ethanol (135 uL)
AdditivesNafion solution (20 uL binder)
Atmosphereair dried
Time30 min sonication
Substrate orientationFTO slides (1.25 cm x 2.50 cm)
Work-up2 mg MOF suspended in H2O/ethanol/Nafion, sonicated, drop-cast onto clean FTO slides, and air dried.
Show 5 structured reagent records
RoleReagentAmount / concentrationSource
OtherMOF sample2 mg4 · Linear sweeep voltametry (LSV)
SolventH2O45 uL4 · Linear sweeep voltametry (LSV)
Solventethanol135 uL4 · Linear sweeep voltametry (LSV)
AdditiveNafion solution20 uL4 · Linear sweeep voltametry (LSV)
OtherFTO slide1.25 cm x 2.50 cm4 · Linear sweeep voltametry (LSV)
Complete recipeSource: SI

Route 4: Other

4 · Figure S3 · Figure S3

Additives3 um mylar spacer; THz-transparent tape
Work-upHole punched through mylar; filled with MOF powder; scraped to remove excess; sandwiched between tape.
Show 3 structured reagent records
RoleReagentAmount / concentrationSource
OtherMOF powderNot specified4 · Figure S3 · Figure S3
Othermylar sheet3 um thick4 · Figure S3 · Figure S3
OtherTHz-transparent tapetwo pieces4 · Figure S3 · Figure S3
Complete recipeSource: Both

Route 5: Solvothermal

3 · MOF synthesis

Metal precursorsNi(OAc)2 (21.21 mg, 0.12 mmol)
Linker precursorsTHQ (10.32 mg, 0.06 mmol)
Solventsdegassed H2O (12 mL); NMP (0.5 mL, 4% cosolvent)
Additivesethylenediamine (6 uL, 0.09 mmol)
AtmosphereN2 purge for 10 min; sealed pressure tube
Temperature85; drying at 80
Time24 h heating; 12 h drying
Work-upCooled to room temperature; collected and washed by centrifugation with deionized water (20 mL x 3) and acetone (20 mL x 3).
ActivationDried at 80 oC for 12 h.
Scalability contextReported yield: 11 mg; tripling the starting materials yielded amorphous solid.
Show 5 structured reagent records
RoleReagentAmount / concentrationSource
Metal SourceNi(OAc)221.21 mg, 0.12 mmol3 · MOF synthesis
LinkerTHQ10.32 mg, 0.06 mmol3 · MOF synthesis
Solventdegassed H2O12 mL3 · MOF synthesis
AdditiveNMP0.5 mL · 4% cosolvent in water3 · MOF synthesis
Baseethylenediamine6 uL, 0.09 mmol3 · MOF synthesis
Complete recipeSource: Both

Route 6: Other

2 · MOF synthesis

Metal precursorsZn(NO3)2.2.5H2O (681 mg, 2.29 mmol)
Linker precursorsTHQ solution (300 mg, 1.74 mmol)
Solventsdegassed H2O (100 mL for metal/en solution; 100 mL for THQ solution)
Additivesethylenediamine (en, 115 mL as reported, 3.45 mmol)
AtmosphereN2 protection
Temperatureroom temperature; drying at 80
Time12 h stirring; 12 h drying
Work-upWashed with H2O (100 mL x 2) and acetone (50 mL x 2).
ActivationDried at 80 oC for 12 h.
Scalability contextReported product yield: 90 mg.
Show 5 structured reagent records
RoleReagentAmount / concentrationSource
Metal SourceZn(NO3)2.2.5H2O681 mg, 2.29 mmol2 · MOF synthesis
LinkerTHQ300 mg, 1.74 mmol2 · MOF synthesis
Baseethylenediamine (en)115 mL, 3.45 mmol2 · MOF synthesis
Solventdegassed H2O200 mL total2 · MOF synthesis
Solventacetone50 mL x 2 wash2 · MOF synthesis