cMOF Evidence Base
Electrochemistry Application — Extension of charge separation distance over isolated dual-metal sites in metal-organic frameworks for efficient CO2 photoreduction

Measurement evidence

Electrochemistry Application

Extension of charge separation distance over isolated dual-metal sites in metal-organic frameworks for efficient CO2 photoreduction · Zhou A., Zhao C., Dou Y. et al. · Applied Catalysis B: Environmental · 2025 · 125297

2 measurement groups · 13 results

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

Photocatalytic control tests, 13CO2 isotope test and cycling stability

CuCo-THQ powder · Nanosheet

Controls without photosensitizer, photocatalyst, TEOA, light or CO2; 13CO2 isotope labelling analysed by mass spectrometry; five photocatalytic cycles.

Atmosphere
CO2, N2 replacement control, or 13CO2 isotope experiment
Geometry
photocatalytic suspension reactor
Context
CuCo-THQ target powder
Measurement source
p006 · 3.3 Photocatalytic CO2 reduction reaction performance · Fig. 3d, Fig. S28-S33
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
13CO2 isotope productmain product is 13CO at m/z = 29 from 13CO2 at m/z = 45——Text
Exact Reported		p006 · 3.3 Photocatalytic CO2 reduction reaction performance · Fig. S30
13CO mass-spectrometry product peakm/z = 29——Caption
Exact Reported		S19 / S34 · Supplementary Figures · Fig. S30
CuCo-THQ versus Cu-THQ rate without photosensitizerMarked as a best value within this paper3.8 times higher——Text
Exact Reported		p005 · 3.3 Photocatalytic CO2 reduction reaction performance · Fig. S28

Visible-light photocatalytic CO2 reduction with GC product analysis

CuCo-THQ powder · Nanosheet

1 mg photocatalyst, [Ru(bpy)3]Cl2.6H2O (10 umol), H2O/acetonitrile/TEOA 6 mL (2/3/1 v/v/v), CO2 at 0.1 MPa, 300 W Xe lamp, lambda > 420 nm; products sampled over time and analysed by GC.

Atmosphere
CO2 99.999% bubbled through water; 0.1 MPa
Geometry
Teflon-lined stainless reaction chamber with quartz window
Context
Cu-THQ pristine control and CuM-THQ mixed-metal powders in homogeneous reaction mixture with photosensitizer and sacrificial agent
Measurement source
p003 · 2.7 Photocatalytic CO2 reduction experiments · Fig. 3
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Cu-THQ CO production rate at 2 h52 umol g-1 h-1——Text
Exact Reported		p005 · 3.3 Photocatalytic CO2 reduction reaction performance · Fig. 3a,b
Cu-THQ CO selectivity84%——Figure Axis
Rounded Reported		p006 · 3.3 Photocatalytic CO2 reduction reaction performance · Fig. 3c
CuCo-THQ CO production rate at 2 hMarked as a best value within this paper1626 umol g-1 h-1——Text
Exact Reported		p005 · 3.3 Photocatalytic CO2 reduction reaction performance · Fig. 3a,b
CuCo-THQ CO selectivityMarked as a best value within this paper100%—nearText
Approximate		p003 · Introduction / proof of concept · Fig. 3c
CuCo-THQ rate enhancement over Cu-THQMarked as a best value within this paper~37-fold higher production rate—~Text
Approximate		p005 · 3.3 Photocatalytic CO2 reduction reaction performance · Fig. 3a,b
CuFe-THQ CO production rate at 2 h67 umol g-1 h-1——Text
Exact Reported		p005 · 3.3 Photocatalytic CO2 reduction reaction performance · Fig. 3a,b
CuFe-THQ CO selectivityMarked as a best value within this papernear 100%—nearText
Approximate		p005 · 3.3 Photocatalytic CO2 reduction reaction performance · Fig. 3c
CuNi-THQ CO production rate at 2 h929 umol g-1 h-1——Text
Exact Reported		p005 · 3.3 Photocatalytic CO2 reduction reaction performance · Fig. 3a,b
CuNi-THQ CO selectivity95%——Text
Exact Reported		p005 · 3.3 Photocatalytic CO2 reduction reaction performance · Fig. 3c
H2 by-product detectionno notable H2 detected in CuM-THQ and Cu-THQ systems——Qualitative
Qualitative		p005 · 3.3 Photocatalytic CO2 reduction reaction performance · Fig. 3b,c