Spectroscopy — Copper-Metal Organic Frameworks Electrodeposited on Carbon Paper as an Enhanced Cathode for the Hydrogen Evolution Reaction

Measurement evidence

Spectroscopy

Copper-Metal Organic Frameworks Electrodeposited on Carbon Paper as an Enhanced Cathode for the Hydrogen Evolution Reaction · Li X.-F., Lu M.-Y., Yu H.-Y. et al. · ChemElectroChem · 2019 · 4507-4510

6 measurement groups · 7 results

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

SEM and Raman after acid soaking

HKUST-1 ED after 0.5 M H2SO4 soaking · Electrode

HKUST-1 ED soaked in 0.5 M H2SO4 for 2 h, then checked by SEM and Raman spectroscopy.

Context
target composite electrode after acid soaking
Measurement source
SI p007 · Stability discussion · Figure S7
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Raman bands after acid soaking1610, 1005, 827, 745, 1463, 190, 450, 610 and 980 cm^-1Text
Exact Reported
SI p007 · Stability discussion · Figure S7c
Morphology after acid soakingsame octahedral structure on carbon paper after 0.5 M H2SO4 for 2 hText
Qualitative
SI p007 · Stability discussion · Figure S7a,b

FTIR spectroscopy

HKUST-1 ED on carbon paper · Electrode

FTIR spectrum of HKUST-1 ED.

Context
target composite electrode
Measurement source
SI p005 · Figure S4 · Figure S4
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
FTIR labelled peaks1644, 1447, 1373, 730 and 490 cm^-1 labelled in Figure S4Figure Axis
Rounded Reported
SI p005 · Figure S4 · Figure S4

Raman spectroscopy

HKUST-1 ED on carbon paper · Electrode

Raman spectra of HKUST-1 ED compared with HKUST-1 HT.

Context
target composite electrode
Measurement source
4508 · Results · Figure 2b
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Raman structure comparisonsimilar Raman patterns between HKUST-1 HT and ED indicated the same crystal structureText
Qualitative
4508 · Results · Figure 2b

Raman spectroscopy

HKUST-1 HT powder/crystals · Powder

Horiba HR Evolution, 633 nm laser excitation, 100-1800 cm^-1 sweep.

Context
pristine framework control
Measurement source
SI p002 · Experimental Section
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource

XPS Cu 2p3/2

HKUST-1 ED on carbon paper · Electrode

XPS around 930-950 eV using ESCALAB 250Xi with monochromatic Al Kalpha source.

Context
target composite electrode
Measurement source
SI p005 · XPS discussion · Figure S3b
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Cu2+ Cu 2p3/2 peak935.0 eVText
Exact Reported
SI p004 · XPS discussion · Figure S3b
Small Cu-related peak in HKUST-1 ED933.3 eVText
Exact Reported
SI p004 · XPS discussion · Figure S3b

XPS Cu 2p3/2

HKUST-1 HT powder/crystals · Powder

XPS around 930-950 eV using ESCALAB 250Xi with monochromatic Al Kalpha source.

Context
pristine framework control
Measurement source
SI p005 · XPS discussion · Figure S3a
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Cu2+ Cu 2p3/2 peak935.0 eVText
Exact Reported
SI p004 · XPS discussion · Figure S3a