Electrochemistry Application — Two-dimensional conductive metal-organic framework with 2,3,6,7,14,15-triptycenehexathiol (TCHT) ligand: synthesis, structure, electrical conductivity and CO2RR activity

6 measurement groups · 29 results

Reported values remain attached to the sample, method, conditions, extraction quality and source location that produced them.

Cu-BHT@Maxsorb · Electrode

10 mA cm-2 for 30 min under same conditions as Cu-TCHT@Maxsorb.

Atmosphere: CO2
Geometry: three-compartment GDE cell
Context: Cu-BHT@Maxsorb comparator composite
Measurement source: 25729 · CO2RR electrocatalytic performance · Fig. 6b,c; Table S6

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Faradaic efficiency CH4, Cu-BHT, 10 mA cm-2	0.02%	—	Std dev 0.02	SI Table Exact Reported	S15 · Table S6 · Table S6
Faradaic efficiency CO, Cu-BHT, 10 mA cm-2	3.49%	—	Std dev 0.63	SI Table Exact Reported	S15 · Table S6 · Table S6
Faradaic efficiency H2, Cu-BHT, 10 mA cm-2	88.22%	—	Std dev 2.28	SI Table Exact Reported	S15 · Table S6 · Table S6
Faradaic efficiency HCOOH, Cu-BHT, 10 mA cm-2	2.33%	—	Std dev 0.42	SI Table Exact Reported	S15 · Table S6 · Table S6
Average electrolysis potential at 10 mA cm-2	-0.87 V vs RHE	—	—	Text Exact Reported	25729 · CO2RR electrocatalytic performance · Fig. 6b

Cu-TCHT@Maxsorb · Electrode

10 mA cm-2 for 30 min; 1 M KHCO3 electrolyte; CO2 flow 10 mL min-1; gaseous products by GC, liquid product by 1H NMR.

Atmosphere: CO2
Geometry: three-compartment cell; GDE working electrode; Ag/AgCl reference; IrO2/Ti counter electrode; Nafion membrane
Context: Cu-TCHT@Maxsorb composite
Measurement source: S3-S4 · Electrocatalytic Performance Measurement for the CO2RR · Table S6

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Faradaic efficiency CH4, Cu-TCHT, 10 mA cm-2	0.12%	—	Std dev 0.15	SI Table Exact Reported	S15 · Table S6 · Table S6
Faradaic efficiency CO, Cu-TCHT, 10 mA cm-2	22.64%	—	Std dev 3.79	SI Table Exact Reported	S15 · Table S6 · Table S6
Faradaic efficiency H2, Cu-TCHT, 10 mA cm-2	56.36%	—	Std dev 1.68	SI Table Exact Reported	S15 · Table S6 · Table S6
Faradaic efficiency HCOOH, Cu-TCHT, 10 mA cm-2	11.78%	—	Std dev 3.23	SI Table Exact Reported	S15 · Table S6 · Table S6
Average electrolysis potential at 10 mA cm-2	-0.75 V vs RHE	—	—	Text Exact Reported	25729 · CO2RR electrocatalytic performance · Fig. 6b

Cu-BHT@Maxsorb · Electrode

30 mA cm-2 for 30 min under same conditions as Cu-TCHT@Maxsorb.

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Faradaic efficiency CO, Cu-BHT, 30 mA cm-2	15.60%	—	Std dev 2.76	SI Table Exact Reported	S15 · Table S6 · Table S6
Faradaic efficiency H2, Cu-BHT, 30 mA cm-2	77.35%	—	Std dev 2.93	SI Table Exact Reported	S15 · Table S6 · Table S6
Faradaic efficiency HCOOH, Cu-BHT, 30 mA cm-2	1.93%	—	Std dev 0.28	SI Table Exact Reported	S15 · Table S6 · Table S6

Cu-TCHT@Maxsorb · Electrode

30 mA cm-2 for 30 min; 1 M KHCO3 electrolyte; CO2 flow 10 mL min-1.

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Faradaic efficiency C2H4, Cu-TCHT, 30 mA cm-2	1.11%	—	Std dev 0.78	SI Table Exact Reported	S15 · Table S6 · Table S6
Faradaic efficiency CH4, Cu-TCHT, 30 mA cm-2	1.66%	—	Std dev 1.95	SI Table Exact Reported	S15 · Table S6 · Table S6
Faradaic efficiency CO, Cu-TCHT, 30 mA cm-2	35.55%	—	Std dev 8.40	SI Table Exact Reported	S15 · Table S6 · Table S6
Faradaic efficiency H2, Cu-TCHT, 30 mA cm-2	40.78%	—	Std dev 7.44	SI Table Exact Reported	S15 · Table S6 · Table S6
Faradaic efficiency HCOOH, Cu-TCHT, 30 mA cm-2	10.64%	—	Std dev 2.77	SI Table Exact Reported	S15 · Table S6 · Table S6
Approximate terminal potential at 30 mA cm-2	approximately -0.84 V vs RHE from Fig. S7a	—	visual estimate	Figure Axis Uncertain	S14 · Fig. S7 · Fig. S7a

Cu-BHT@Maxsorb · Electrode

50 mA cm-2 for 30 min under same conditions as Cu-TCHT@Maxsorb.

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Faradaic efficiency CH4, Cu-BHT, 50 mA cm-2	0.09%	—	Std dev 0.13	SI Table Exact Reported	S15 · Table S6 · Table S6
Faradaic efficiency CO, Cu-BHT, 50 mA cm-2	12.90%	—	Std dev 6.65	SI Table Exact Reported	S15 · Table S6 · Table S6
Faradaic efficiency H2, Cu-BHT, 50 mA cm-2	80.94%	—	Std dev 7.38	SI Table Exact Reported	S15 · Table S6 · Table S6
Faradaic efficiency HCOOH, Cu-BHT, 50 mA cm-2	1.71%	—	Std dev 0.40	SI Table Exact Reported	S15 · Table S6 · Table S6

Cu-TCHT@Maxsorb · Electrode

50 mA cm-2 for 30 min; 1 M KHCO3 electrolyte; CO2 flow 10 mL min-1.

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Faradaic efficiency C2H4, Cu-TCHT, 50 mA cm-2	3.42%	—	Std dev 1.26	SI Table Exact Reported	S15 · Table S6 · Table S6
Faradaic efficiency CH4, Cu-TCHT, 50 mA cm-2	5.83%	—	Std dev 6.24	SI Table Exact Reported	S15 · Table S6 · Table S6
Faradaic efficiency CO, Cu-TCHT, 50 mA cm-2Marked as a best value within this paper	39.10%	—	Std dev 6.69	SI Table Exact Reported	S15 · Table S6 · Table S6
Faradaic efficiency H2, Cu-TCHT, 50 mA cm-2	35.48%	—	Std dev 4.82	SI Table Exact Reported	S15 · Table S6 · Table S6
Faradaic efficiency HCOOH, Cu-TCHT, 50 mA cm-2	8.24%	—	Std dev 3.82	SI Table Exact Reported	S15 · Table S6 · Table S6
Approximate terminal potential at 50 mA cm-2	approximately -0.90 V vs RHE from Fig. S7b	—	visual estimate	Figure Axis Uncertain	S14 · Fig. S7 · Fig. S7b