Spectroscopy — Two-Dimensional Conjugated Metal-Organic Frameworks with Large Pore Apertures and High Surface Areas for NO2 Selective Chemiresistive Sensing

Measurement evidence

Spectroscopy

Two-Dimensional Conjugated Metal-Organic Frameworks with Large Pore Apertures and High Surface Areas for NO2 Selective Chemiresistive Sensing · Chen P., Su X., Wang C. et al. · Angewandte Chemie - International Edition · 2023 · e202306224

2 measurement groups · 12 results

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

UV-Vis-NIR spectroscopy, Tauc plot, and ultraviolet photoelectron spectroscopy

Ultraviolet photoelectron spectroscopy UV-visible and optical absorption spectroscopy

HIOTP-Ni black powder · Powder

UV-Vis-NIR from 250 to 2000 nm; UPS used to derive HOMO and LUMO values.

Context: pristine powders
Measurement source: S13-S14 · Ultraviolet-Visible-Near Infrared Spectra · Figures S19-S21 / Table S2

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
HIOTP-Cu band gap	1.40 eV	—	—	SI Table Exact Reported	S14 · Table S2 · Table S2
HIOTP-Cu HOMO	-5.91 eV	—	—	SI Table Exact Reported	S14 · Table S2 · Table S2
HIOTP-Cu LUMO	-4.51 eV	—	—	SI Table Exact Reported	S14 · Table S2 · Table S2
HIOTP-Cu notable UV-Vis-NIR absorption	1056 nm	—	—	Text Exact Reported	p003 · UV-Vis-NIR spectra · Figure S21a
HIOTP-Ni band gap	1.16 eV	—	—	SI Table Exact Reported	S14 · Table S2 · Table S2
HIOTP-Ni HOMO	-5.25 eV	—	—	SI Table Exact Reported	S14 · Table S2 · Table S2
HIOTP-Ni LUMO	-4.09 eV	—	—	SI Table Exact Reported	S14 · Table S2 · Table S2
HIOTP-Ni notable UV-Vis-NIR absorption	1087 nm	—	—	Text Exact Reported	p003 · UV-Vis-NIR spectra · Figure S20a

X-ray photoelectron spectroscopy

X-ray photoelectron spectroscopy

HIOTP-Ni black powder · Powder

Thermo Scientific K-Alpha/ESCALAB 250 Xi, Al Kalpha, C 1s referenced at 284.8 eV.

Context: pristine HIOTP-M powders
Measurement source: p002-p004 · XPS analysis and NO2 adsorption · Figures S15-S18, Figure 4, Figure S39

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
HIOTP-Cu Cu 2p peak 1	935.1 eV	—	about	Text Approximate	p003 · XPS analysis · Figure S18
HIOTP-Cu Cu 2p peak 2	932.9 eV	—	about	Text Approximate	p003 · XPS analysis · Figure S18
N 1s peak after NO2 exposure	406.7 eV	—	—	Text Exact Reported	p004 · NO2 adsorption mechanism · Figure 4a
HIOTP-Ni Ni 2p dominant peak	approximately 855.8 eV	—	approximately	Text Approximate	p002 · XPS analysis · Figure S16