Spectroscopy — Charge-transfer interface of insulating metal-organic frameworks with metallic conduction

Measurement evidence

Spectroscopy

Charge-transfer interface of insulating metal-organic frameworks with metallic conduction · Sindhu P., Ananthram K.S., Jain A. et al. · Nature Communications · 2022 · 7665

2 measurement groups · 7 results

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

Raman spectroscopy

Cu-TCNQ/Cu-BPyDC heterostructured thin film · Thin Film

Raman spectra compared for pristine Cu-TCNQ, pristine Cu-BPyDC, heterostructure, growth cycles and TCNQ@Cu-BPyDC; excitation 632.8 nm in Methods.

Geometry
Thin film
Context
pristine controls, target and guest-loaded control compared
Measurement source
3 · Results · Fig. 2d; Fig. 3b; Fig. 5a; Supplementary Fig. 13
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Cu-BPyDC phase-I Raman marker1033 cm-1Text
Rounded Reported
3 · Results · Fig. 3b
Cu-BPyDC phase-II Raman marker1009 cm-1Text
Rounded Reported
3 · Results · Fig. 3b
Cu-TCNQ Raman C-CN stretching marker~1374 cm-1Text
Approximate
3 · Results · Fig. 2d
Heterostructure lacks TCNQ molecular doping marker2220 cm-1 band absent; 2205 cm-1 band presentText
Approximate
5 · Results · Fig. 5a; Supplementary Fig. 13
TCNQ@Cu-BPyDC molecular doping Raman marker~2220 cm-1 additional bandText
Approximate
5 · Results · Fig. 5a; Supplementary Fig. 13

Cu 2p X-ray photoelectron spectroscopy

Cu-TCNQ/Cu-BPyDC heterostructured thin film · Thin Film

Cu oxidation states in pristine Cu-BPyDC and Cu-TCNQ/Cu-BPyDC after 5 cycles of Cu-TCNQ growth.

Geometry
Thin film
Context
pristine control and target interface compared
Measurement source
7 · Supplementary Fig. 6 · Supplementary Fig. 6
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Cu-BPyDC Cu 2p3/2 binding energy~934.2 eVCaption
Approximate
7 · Supplementary Fig. 6 caption · Supplementary Fig. 6
Heterostructure Cu(I) Cu 2p3/2 binding energy~932.5 eVCaption
Approximate
7 · Supplementary Fig. 6 caption · Supplementary Fig. 6