Spectroscopy — Atomically Precise Integration of Multiple Functional Motifs in Catalytic Metal-Organic Frameworks for Highly Efficient Nitrate Electroreduction

Measurement evidence

Spectroscopy

Atomically Precise Integration of Multiple Functional Motifs in Catalytic Metal-Organic Frameworks for Highly Efficient Nitrate Electroreduction · Lv Y., Su J., Gu Y. et al. · JACS Au · 2022 · 2765-2777

2 measurement groups · 4 results

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

EPR spectroelectrochemistry

As-synthesised In8 red block crystals/powder · Single Crystal

Powdered In8 in 5 mM H2SO4 with 0.5 g L-1 KNO3; selected potentials; room temperature.

Temperature
room temperature
Geometry
quartz capillary / electrochemical cell with Pt electrodes and Ag quasi-reference
Context
pristine powder under electrochemical conditions
Measurement source
SI p.3-4 · EPR Spectroscopy and SEC · Fig. 2b
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
TTF radical EPR g valueg = 2.0049Text
Exact Reported
main p.4, article p.2768 · Redox-Active Ligands · Fig. 2b

In situ Raman spectroscopy during NO3RR

In8 catalyst ink on carbon paper electrode · Electrode

In8 in pH 1-5 H2SO4/KNO3 electrolytes at selected potentials; 532 nm laser.

Atmosphere
aqueous electrochemical cell
Geometry
in situ electrochemical Raman cell
Context
In8 electrode/application context
Measurement source
main p.5, article p.2769 · pH Dependence of In Situ Characteristics · Fig. 2g-j; Fig. S15
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
InII Raman peak during reduction438 cm^-1Text
Exact Reported
main p.5, article p.2769 · pH Dependence · Fig. 2g
Initial InIII Raman peaks363 and 505 cm^-1Text
Exact Reported
main p.4, article p.2768 · pH Dependence · Fig. 2g
Adsorbed nitrate Raman band806 cm^-1Text
Exact Reported
main p.5, article p.2769 · pH Dependence · Fig. 2g