cMOF Evidence Base
Electrical Transport — Decoupling Redox Hopping and Catalysis in Metal-Organic Frameworks -based Electrocatalytic CO2 Reduction

Measurement evidence

Electrical Transport

Decoupling Redox Hopping and Catalysis in Metal-Organic Frameworks -based Electrocatalytic CO2 Reduction · Li X., Surendran Rajasree S., Gude V. et al. · Angewandte Chemie - International Edition · 2023 · e202219046

2 measurement groups · 15 results

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

chronoamperometry analysed with Cottrell equation

Chronoamperometry

CoPc@NU-1000-h binder-free CA electrode · Electrode

Binder-free MOF films; 0.5 M KHCO3(aq); step potential -0.65 V for CoPc samples and -0.75 V for TPP(Co)

Atmosphere
CO2
Geometry
MOF-modified graphite sheet electrode
Context
binder-free guest-loaded MOF electrode
Measurement source
5 · Results and Discussion · Figure 6d and Table 1
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
electron diffusion coefficient Dhop for CoPc@NU-1000-hMarked as a best value within this paper4.1 x 10^-12 cm2 s-1——Table
Exact Reported		5 · Results and Discussion · Table 1
electron diffusion coefficient Dhop for CoPc@NU-1000-l2.7 x 10^-12 cm2 s-1——Table
Exact Reported		5 · Results and Discussion · Table 1
electron diffusion coefficient Dhop for TPP(Co)@NU-10001.4 x 10^-12 cm2 s-1——Table
Exact Reported		5 · Results and Discussion · Table 1

electrochemical impedance spectroscopy with equivalent-circuit fitting

Impedance spectroscopy

CoPc@NU-1000-h carbon/Nafion electrode · Electrode

EIS at -0.65 V for CoPc@NU-1000 and -0.75 V for TPP(Co)@NU-1000; Zview2 equivalent-circuit modelling

Atmosphere
CO2
Geometry
MOF/carbon/Nafion on graphite sheet working electrode
Context
application composite electrode; carbon/Nafion contribution separated by fit
Measurement source
15 · Electrochemistry · Table S1
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Bode high-frequency peak for CoPc@NU-1000-h173.82 Hz——Text
Exact Reported		6 · Results and Discussion · Figure S17b
Bode low-frequency peak for CoPc@NU-1000-h0.07 Hz——Text
Exact Reported		6 · Results and Discussion · Figure S17b
Bode mid-frequency peak for CoPc@NU-1000-h4.39 Hz——Text
Exact Reported		6 · Results and Discussion · Figure S17b
carbon/Nafion double-layer capacitance for CoPc@NU-1000-h electrodeC_C_DL = 0.64 mF——SI Table
Exact Reported		15 · Electrochemistry · Table S1
CRR double-layer capacitance for CoPc@NU-1000-h electrodeC_CRR_DL = 108 mF——SI Table
Exact Reported		15 · Electrochemistry · Table S1
MOF double-layer capacitance for CoPc@NU-1000-h electrodeC_MOF_DL = 2.3 mF——SI Table
Exact Reported		15 · Electrochemistry · Table S1
CRR charge-transfer resistance for CoPc@NU-1000-hR_CRR_CT = 27.9 ohm——SI Table
Exact Reported		15 · Electrochemistry · Table S1
CRR charge-transfer resistance for CoPc@NU-1000-lR_CRR_CT = 32.1 ohm——SI Table
Exact Reported		15 · Electrochemistry · Table S1
MOF charge-transfer resistance for CoPc@NU-1000-hMarked as a best value within this paperR_MOF_CT = 59.5 ohm——SI Table
Exact Reported		15 · Electrochemistry · Table S1
MOF charge-transfer resistance for CoPc@NU-1000-lR_MOF_CT = 70.1 ohm——SI Table
Exact Reported		15 · Electrochemistry · Table S1
MOF charge-transfer resistance for TPP(Co)@NU-1000R_MOF_CT = 91.4 ohm——SI Table
Exact Reported		15 · Electrochemistry · Table S1
internal cell resistance Ru for CoPc@NU-1000-h16.6 ohm——SI Table
Exact Reported		15 · Electrochemistry · Table S1