Synthesis evidence

Stabilizing Redox-Active Hexaazatriphenylene in a 2D Conductive Metal–Organic Framework for Improved Lithium Storage Performance

Yin J., Li N., Liu M. et al. · Advanced Functional Materials · 2023 · 2211950

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: Drop Cast

3 · Electrochemical Measurements

Linker precursors6OH-HATN electroactive material
SolventsH2O
AdditivesKetjen Black conductive additive; carboxymethyl cellulose binder
Atmospherecoin cells assembled in highly pure argon glove box with water and oxygen below 0.1 ppm
Temperature80
Time12
Substrate orientationcopper foil
Work-upGround 30 min to form slurry, cast onto copper foil, dried in vacuum oven, cut into 1.2 cm discs.
ActivationElectrochemical cycling.
Scalability contextAreal active-material loading 0.7-1.0 mg cm^-2.
Show 3 structured reagent records
RoleReagentAmount / concentrationSource
Other6OH-HATN7 parts by weight3 · Electrochemical Measurements
AdditiveKetjen Black2 parts by weight3 · Electrochemical Measurements
Additivecarboxymethyl cellulose (CMC)1 part by weight3 · Electrochemical Measurements
Complete recipeSource: SI

Route 2: Other

4-7 · Synthesis and Characterization · Scheme S1

Linker precursors1,2-dimethoxybenzene; 1,2-dimethoxy-4,5-dinitrobenzene; 4,5-dimethoxybenzene-1,2-diamine; hexaketocyclohexane octahydrate; 2,3,8,9,14,15-hexamethoxydiquinoxalino[2,3-a:2',3'-c]phenazine
Solventsnitric acid; ethanol; acetic acid; water
AdditivesPd/C; hydrazine hydrate; pyridine hydrochloride
AtmosphereAr for diamine and hexamethoxy intermediate steps; not specified for final pyridine hydrochloride deprotection
Temperature80; 80; 120; 200
Time2; 2; 12; 4
Oxidant / reductant65% concentrated nitric acid; hydrazine hydrate/Pd-C
Work-upFiltration, washing with deionized water/hot acetic acid/acetone/ethanol/water as applicable; centrifugation for final black precipitate; washed to neutral.
ActivationFinal 6OH-HATN dried at 120 deg C for 12 h.
Scalability contextBatch masses reported for all steps; final 6OH-HATN yield 0.41 g, 96%.
Show 7 structured reagent records
RoleReagentAmount / concentrationSource
Linker1,2-dimethoxybenzene10 mL, 78.2 mmol4-7 · Synthesis and Characterization · Scheme S1
Acid65% concentrated nitric acid100 mL · 65%4-7 · Synthesis and Characterization · Scheme S1
Reductanthydrazine hydrate6 mL, 123.4 mmol4-7 · Synthesis and Characterization · Scheme S1
AdditivePd/C1.15 g, 10.8 mmol4-7 · Synthesis and Characterization · Scheme S1
Linkerhexaketocyclohexane octahydrate0.93 g, 2.98 mmol4-7 · Synthesis and Characterization · Scheme S1
Acidacetic acid125 mL4-7 · Synthesis and Characterization · Scheme S1
Additivepyridine hydrochloride20 g, 173 mmol4-7 · Synthesis and Characterization · Scheme S1
Complete recipeSource: SI

Route 3: Drop Cast

3 · Electrochemical Measurements

Linker precursorsCu-HATN electroactive material
SolventsH2O
AdditivesKetjen Black conductive additive; carboxymethyl cellulose binder
Atmospherecoin cells assembled in highly pure argon glove box with water and oxygen below 0.1 ppm
Temperature80
Time12
Substrate orientationcopper foil
Work-upGround 30 min to form slurry, cast onto copper foil, dried in vacuum oven, cut into 1.2 cm discs.
Activation50 cycles activation at 150 mA g^-1 before main rate test; electrochemical cycling activates MOF.
Scalability contextAreal active-material loading 0.7-1.0 mg cm^-2.
Show 4 structured reagent records
RoleReagentAmount / concentrationSource
OtherCu-HATN7 parts by weight3 · Electrochemical Measurements
AdditiveKetjen Black2 parts by weight3 · Electrochemical Measurements
Additivecarboxymethyl cellulose (CMC)1 part by weight3 · Electrochemical Measurements
SolventH2ONot specified3 · Electrochemical Measurements
Complete recipeSource: Both

Route 4: Hydrothermal

9-10 · Synthesis of Cu-HATN · Scheme S2

Metal precursorsCu(NO3)2.6H2O
Linker precursors6OH-HATN
Solventsdeionized water
Additivesethylenediamine aqueous solution; ammonia water
Atmospheresealed vial; atmosphere not otherwise specified
Temperature85
Time48
Work-upNaturally cooled to room temperature; black powders collected and washed with DMF, deionized water, and ethanol several times.
ActivationDried at 120 deg C overnight.
Scalability contextSI reports 5 mg ligand recipe and final product yield 5.6 g, 95% based on 6OH-HATN; mass appears internally inconsistent and is flagged in audit.
Show 5 structured reagent records
RoleReagentAmount / concentrationSource
Linker6OH-HATN5 mg, 0.0104 mmol9-10 · Synthesis of Cu-HATN · Scheme S2
Metal SourceCu(NO3)2.6H2O4.7 mg, 0.0158 mmol9-10 · Synthesis of Cu-HATN · Scheme S2
Solventdeionized water2.5 mL9-10 · Synthesis of Cu-HATN · Scheme S2
Baseethylenediamine aqueous solution300 uL · 10%, ca.9-10 · Synthesis of Cu-HATN · Scheme S2
Baseammonia water75 uL · 25%, ca.9-10 · Synthesis of Cu-HATN · Scheme S2
Complete recipeSource: SI

Route 5: Drop Cast

3 · Electrochemical Measurements

Linker precursorsHATN electroactive material
SolventsH2O
AdditivesKetjen Black conductive additive; carboxymethyl cellulose binder
Atmospherecoin cells assembled in highly pure argon glove box with water and oxygen below 0.1 ppm
Temperature80
Time12
Substrate orientationcopper foil
Work-upGround 30 min to form slurry, cast onto copper foil, dried in vacuum oven, cut into 1.2 cm discs.
ActivationElectrochemical cycling; HATN capacity decreases strongly because of solubility.
Scalability contextAreal active-material loading 0.7-1.0 mg cm^-2.
Show 3 structured reagent records
RoleReagentAmount / concentrationSource
OtherHATN7 parts by weight3 · Electrochemical Measurements
AdditiveKetjen Black2 parts by weight3 · Electrochemical Measurements
Additivecarboxymethyl cellulose (CMC)1 part by weight3 · Electrochemical Measurements
Complete recipeSource: SI

Route 6: Other

8 · Synthesis of hexaazatrinaphthalene (HATN) · Figures S7-S8

Linker precursorsbenzene-1,2-diamine; hexaketocyclohexane octahydrate
Solventsacetic acid
AtmosphereAr
Temperature120
Time12
Work-upFiltered, rinsed with hot acetic acid, acetone, ethanol, and water successively.
ActivationDried in oven; pale green powders obtained.
Scalability contextYield 0.9 g, 92%.
Show 3 structured reagent records
RoleReagentAmount / concentrationSource
Linkerbenzene-1,2-diamine1.0 g, 9.2 mmol8 · Synthesis of hexaazatrinaphthalene (HATN) · Figures S7-S8
Linkerhexaketocyclohexane octahydrate0.8 g, 2.56 mmol8 · Synthesis of hexaazatrinaphthalene (HATN) · Figures S7-S8
Solventacetic acid100 mL8 · Synthesis of hexaazatrinaphthalene (HATN) · Figures S7-S8