Spectroscopy — Hybrid metal-organic chalcogenide nanowires with electrically conductive inorganic core through diamondoid-directed assembly

Measurement evidence

Spectroscopy

Hybrid metal-organic chalcogenide nanowires with electrically conductive inorganic core through diamondoid-directed assembly · Yan H., Hohman J.N., Li F.H. et al. · Nature Materials · 2017 · 349-355

2 measurement groups · 6 results

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

XPS of Cu 2p plus PXRD of H2O2-doped 1ADCu

H2O2-doped 1ADCu powder samples · Powder

XPS with Al Kalpha source in 1e-5 torr vacuum; PXRD with Cu Kalpha source at room temperature.

Temperature
room temperature
Atmosphere
XPS vacuum; PXRD not specified.
Geometry
Dry powders pressed on degenerately doped silicon wafers for XPS; powder in capillary for PXRD.
Context
Pristine and H2O2-doped 1ADCu powders.
Measurement source
SI p.14 · Supplementary figures · Fig. S9
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
H2O2 doping partially oxidises Cu in 1ADCuCu partially oxidised from +1 to +2Text
Qualitative
main p.6, article p.354 · Doping and transport · Fig. S9a
1ADCu structure changes at 100000 ppm H2O210^5 ppm H2O2 leads to structural changeCaption
Exact Reported
SI p.14 · Supplementary figures · Fig. S9b
1ADCu structure retained under H2O2 doping up to 10000 ppmPristine and 10 to 10^4 ppm H2O2-doped samples have same diffraction patternCaption
Exact Reported
SI p.14 · Supplementary figures · Fig. S9b
Pristine 1ADCu Cu oxidation stateCu is in +1 state in undoped MOCsCaption
Qualitative
SI p.14 · Supplementary figures · Fig. S9

Diffuse-reflectance ultraviolet-visible absorption spectroscopy

As-synthesised 1ADCu needle-shaped crystals · Single Crystal

Ethanolic suspension drop-cast on sapphire and measured against white diffuse reflectance background.

Context
Pristine 1ADCu and 4DICu crystals.
Measurement source
main p.5 and Methods · Electronic properties; Characterizations · Fig. 5e
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
1ADCu optical bandgapMarked as a best value within this paper2.5 eVText
Rounded Reported
main p.5, article p.353 · Electronic properties · Fig. 5e
4DICu optical bandgap2.9 eVText
Rounded Reported
main p.5, article p.353 · Electronic properties · Fig. 5e