Spectroscopy — Wavy Two-Dimensional Conjugated Metal-Organic Framework with Metallic Charge Transport

Measurement evidence

Spectroscopy

Wavy Two-Dimensional Conjugated Metal-Organic Framework with Metallic Charge Transport · Zhang J., Zhou G., Un H.-I. et al. · Journal of the American Chemical Society · 2023 · 23630-23638

2 measurement groups · 10 results

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

UV-vis-NIR absorption and Tauc plot

UV-visible and optical absorption spectroscopy

Cu3(HFcHBC)2 polycrystalline film · Thin Film

Thin film on quartz glass in transmission mode.

Context: pristine_framework
Measurement source: 6 · Charge transport properties · Figure S25

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
optical band gapMarked as a best value within this paper	approximately 0.71 eV	—	—	Text Approximate	6 · Charge transport properties · Figure S25
broad absorption band near IR	around 1350 nm	—	—	Text Approximate	6 · Charge transport properties · Figure S25

XPS, XANES and EXAFS

X-ray photoelectron spectroscopy X-ray absorption spectroscopy

Cu3(HFcHBC)2 polycrystalline film · Thin Film

XPS calibrated to C1s at 284.6 eV; EXAFS collected at room temperature in transmission mode at SSRF.

Temperature: room temperature for EXAFS
Context: pristine_framework
Measurement source: 4 · Results and Discussion · Figures S10-S13; Table R1

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
EXAFS average Cu coordination number	approximately 3.2	—	—	Text Approximate	4 · Results and Discussion · Table R1
EXAFS Cu-O bond length	1.94 A	—	—	SI Table Exact Reported	20 · Supplementary figures · Table R1
UPS valence-band Fermi edge	Fermi level cuts the valence band	—	—	Text Qualitative	6 · Charge transport properties · Figure S30
Cu K-edge energy	approximately 8982 eV	—	—	Text Approximate	4 · Results and Discussion · Figure S13
Cu(I) 2p3/2 peak binding energy	932.7 eV	—	—	Text Exact Reported	4 · Results and Discussion · Figure S10
Cu(II) 2p3/2 peak binding energy	934.6 eV	—	—	Text Exact Reported	4 · Results and Discussion · Figure S10
Cu(I) fraction from XPS deconvolution	15% Cu(I)	0.15 fraction	—	Text Exact Reported	4 · Results and Discussion · Figure S10
Cu(II) fraction from XPS deconvolution	85% Cu(II)	0.85 fraction	—	Text Exact Reported	4 · Results and Discussion · Figure S10