Spectroscopy — Electrically regulating nonlinear optical limiting of metal-organic framework film

Measurement evidence

Spectroscopy

Electrically regulating nonlinear optical limiting of metal-organic framework film · Ma Z.-Z., Li Q.-H., Wang Z. et al. · Nature Communications · 2022 · 6347

2 measurement groups · 6 results

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

IRRAS, Raman and XPS spectroscopy

Cu-HHTP[001] film · Thin Film

IRRAS with Bruker Vertex 70 FTIR, 2 cm-1 resolution, 80 deg incidence; XPS with ESCALAB250Xi; Raman spectra in SI.

Geometry
film and powder samples
Context
Pristine Cu-HHTP powder and films compared with HHTP ligand.
Measurement source
3, 7 · Characterization; Materials and instrumentation · Supplementary Figs. 3-6
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
C-O stretching vibration shift after Cu-HHTP formation1217 to 1206 cm-1Text
Rounded Reported
3 · Characterization · Supplementary Fig. 3
Raman OH and C=O peaks disappear after Cu coordinationOH peaks at 2881, 3054, 3197 cm-1 and C=O at 1620 cm-1 almost disappearedText
Qualitative
3 · Characterization · Supplementary Fig. 4

Solid-state UV-vis spectroscopy and Tauc plots

Cu-HHTP[001] film · Thin Film

UV-vis spectra measured by Lambda 365; band gaps estimated from Tauc plots.

Geometry
solid-state thin-film UV-vis
Context
Pristine oriented Cu-HHTP films.
Measurement source
3-4, 7 · Characterization; Materials and instrumentation · Fig. 3c,d
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Cu-HHTP[001] band gap1.53 eVText
Rounded Reported
3 · Characterization · Fig. 3d
Cu-HHTP[100] band gap1.32 eVText
Rounded Reported
3 · Characterization · Fig. 3d
Cu-HHTP[001] UV-vis absorption peaks269, 356 and 637 nmText
Rounded Reported
3 · Characterization · Fig. 3c
Cu-HHTP[100] UV-vis absorption peaks270, 363 and 644 nmText
Rounded Reported
3 · Characterization · Fig. 3c