Spectroscopy — Decoupling Redox Hopping and Catalysis in Metal-Organic Frameworks -based Electrocatalytic CO2 Reduction

Measurement evidence

Spectroscopy

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

3 measurement groups · 7 results

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

DRIFTS

CoPc@NU-1000-h · Powder

Powder samples mixed with KBr and measured under dry air purge

Atmosphere
dry air purge
Context
node binding mode in guest-loaded MOF
Measurement source
5 · General instrumentation · Figure S3
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
OH/H2O stretching peak for anchored catalystsMarked as a best value within this paperabout 3676 cm-1Text
Rounded Reported
2 · Results and Discussion · Figure 2a
broad OH band for unmodified NU-10003637 cm-1Text
Exact Reported
3 · Results and Discussion · Figure 2a

UV-vis spectroscopy of base-digested MOF

CoPc@NU-1000-h · Powder

ca 2 mg MOF digested in 1 M KOH for 10 min, neutralised with 1 M HCl, diluted in DMF to 5 mL

Context
guest-loaded MOF composition analysis
Measurement source
5 · General instrumentation · Figure S6
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
CoPc loading per SBU in CoPc@NU-1000-hMarked as a best value within this paper0.58 CoPc per SBUCaption
Exact Reported
8 · Structural characterizations · Figure S6
CoPc loading per SBU in CoPc@NU-1000-l0.25 CoPc per SBUCaption
Exact Reported
8 · Structural characterizations · Figure S6
TPP(Co) loading per SBU in TPP(Co)@NU-10000.50 TPP(Co) per SBUCaption
Exact Reported
8 · Structural characterizations · Figure S6

X-ray photoelectron spectroscopy

CoPc@NU-1000-h · Powder

Co 2p binding energies measured on Kratos Axis Ultra DLD with monochromatic Al K radiation source

Context
guest-loaded MOF
Measurement source
4 · General instrumentation · Figure S5
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Co 2p1/2 binding energy796.2 eVText
Exact Reported
3 · Results and Discussion · Figure S5
Co 2p3/2 binding energy781.4 eVText
Exact Reported
3 · Results and Discussion · Figure S5