Spectroscopy — Ultra-thin Two-Dimensional Trimetallic Metal-Organic Framework for Photocatalytic Reduction of CO2

12 measurement groups · 41 results

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

UV-vis diffuse reflectance, Tauc and Mott-Schottky

UV-visible and optical absorption spectroscopy Mott-Schottky analysis

Ni-BDC nanosheets · Nanosheet

powder UV-vis plus Mott-Schottky-derived band positions

Context: pristine powder
Measurement source: p008-p009 · Supporting Information · Figures S13-S14

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
optical band gap	2.82 eV	—	—	Figure Axis Rounded Reported	p008 · Supporting Information · Figure S13
conduction band potential vs NHE	-0.22 V	—	—	Figure Axis Rounded Reported	p009 · Supporting Information · Figure S14d
valence band potential vs NHE	2.60 V	—	—	Figure Axis Rounded Reported	p009 · Supporting Information · Figure S14d

UV-vis diffuse reflectance, Tauc and Mott-Schottky

UV-visible and optical absorption spectroscopy Mott-Schottky analysis

NiZr-BDC nanosheets · Nanosheet

powder UV-vis plus Mott-Schottky-derived band positions

Context: pristine powder
Measurement source: p008-p009 · Supporting Information · Figures S13-S14

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
optical band gap	3.03 eV	—	—	Figure Axis Rounded Reported	p008 · Supporting Information · Figure S13
conduction band potential vs NHE	-0.35 V	—	—	Figure Axis Rounded Reported	p009 · Supporting Information · Figure S14d
valence band potential vs NHE	2.68 V	—	—	Figure Axis Rounded Reported	p009 · Supporting Information · Figure S14d

UV-vis diffuse reflectance, Tauc and Mott-Schottky

UV-visible and optical absorption spectroscopy Mott-Schottky analysis

NiZrCu-BDC nanosheets · Nanosheet

powder UV-vis plus Mott-Schottky-derived band positions

Context: pristine powder
Measurement source: p008-p009 · Supporting Information · Figures S13-S14

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
optical band gapMarked as a best value within this paper	2.02 eV	—	—	Figure Axis Rounded Reported	p008 · Supporting Information · Figure S13
conduction band potential vs NHEMarked as a best value within this paper	-0.55 V	—	—	Figure Axis Rounded Reported	p009 · Supporting Information · Figure S14d
valence band potential vs NHE	1.47 V	—	—	Figure Axis Rounded Reported	p009 · Supporting Information · Figure S14d

DRIFT spectroscopy

Infrared spectroscopy

NiZrCu-BDC nanosheets · Nanosheet

CO2 adsorbed on the three catalysts

Atmosphere: CO2
Context: series; target sample_key used
Measurement source: p012 · Supporting Information · Figure S19

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
asymmetric CO2 stretch	2360	—	—	Text Exact Reported	p006 · Results and Discussion · Figure S19
*COOH vibration**	1558	—	—	Text Exact Reported	p006 · Results and Discussion · Figure S19
*COOH vibration**	1796	—	—	Text Exact Reported	p006 · Results and Discussion · Figure S19

13CO2 isotope GC-MS/LC-MS

NiZrCu-BDC nanosheets · Nanosheet

13CO2, 99% purity, same photocatalytic reaction conditions

Atmosphere: 13CO2
Context: target powder
Measurement source: p006 · Results and Discussion · Figures S17-S18

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
12C2H5OH m/z	m/z = 46	—	—	Text Exact Reported	p006 · Results and Discussion · Figures S17-S18
13C2H5OH m/z	m/z = 48	—	—	Text Exact Reported	p006 · Results and Discussion · Figures S17-S18
12CH3OH m/z	m/z = 31 or 32	—	—	Text Exact Reported	p006 · Results and Discussion · Figures S17-S18
13CH3OH m/z	m/z = 33	—	—	Text Exact Reported	p006 · Results and Discussion · Figures S17-S18

time-resolved PL

Photoluminescence and fluorescence spectroscopy

Ni-BDC nanosheets · Nanosheet

triexponential fitting of photogenerated charge lifetime

Context: pristine powder
Measurement source: p006 · Results and Discussion · Figure 4e

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
average photogenerated charge lifetime	tau_avg = 1.3 ns	—	—	Text Exact Reported	p006 · Results and Discussion · Figure 4e

time-resolved PL

Photoluminescence and fluorescence spectroscopy

NiZr-BDC nanosheets · Nanosheet

triexponential fitting of photogenerated charge lifetime

Context: pristine powder
Measurement source: p006 · Results and Discussion · Figure 4e

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
average photogenerated charge lifetime	tau_avg = 1.4 ns	—	—	Text Exact Reported	p006 · Results and Discussion · Figure 4e

time-resolved PL

Photoluminescence and fluorescence spectroscopy

NiZrCu-BDC nanosheets · Nanosheet

triexponential fitting of photogenerated charge lifetime

Context: pristine powder
Measurement source: p006 · Results and Discussion · Figure 4e

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
average photogenerated charge lifetimeMarked as a best value within this paper	tau_avg = 1.5 ns	—	—	Text Exact Reported	p006 · Results and Discussion · Figure 4e

UV-vis absorption

UV-visible and optical absorption spectroscopy

NiZrCu-BDC nanosheets · Nanosheet

powder-state UV-vis absorption

Context: target powder
Measurement source: p005 · Results and Discussion · Figure 4c

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
absorption tailMarked as a best value within this paper	maximum band from 550 nm with tail up to 900 nm	—	—	Text Approximate	p005 · Results and Discussion · Figure 4c

FTIR and Raman spectroscopy

Infrared spectroscopy Raman spectroscopy

NiZrCu-BDC nanosheets · Nanosheet

series comparison of three MOFs

Context: series; target sample_key used
Measurement source: p002 · Results and Discussion · Figure 2b,c

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
FTIR assigned peak	3435	—	—	Text Rounded Reported	p002 · Results and Discussion · Figure 2b
FTIR assigned peak	1576	—	—	Text Rounded Reported	p002 · Results and Discussion · Figure 2b
FTIR assigned peak	1385	—	—	Text Rounded Reported	p002 · Results and Discussion · Figure 2b
FTIR assigned peak	751	—	—	Text Rounded Reported	p002 · Results and Discussion · Figure 2b
FTIR assigned peak	3610	—	—	Text Rounded Reported	p002 · Results and Discussion · Figure 2b
Raman assigned band	1138	—	—	Text Rounded Reported	p002 · Results and Discussion · Figure 2c
Raman assigned band	1452	—	—	Text Rounded Reported	p002 · Results and Discussion · Figure 2c
Raman assigned band	1613	—	—	Text Rounded Reported	p002 · Results and Discussion · Figure 2c
Raman assigned band	3068	—	—	Text Rounded Reported	p002 · Results and Discussion · Figure 2c

XANES/EXAFS

X-ray absorption spectroscopy

NiZrCu-BDC nanosheets · Nanosheet

Ni K-edge XANES, EXAFS and wavelet transform comparison

Context: series; target sample_key used
Measurement source: p004 · Results and Discussion · Figure 3

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
WT-EXAFS maximum	10 A^-1	—	—	Text Rounded Reported	p004 · Results and Discussion · Figure 3c-e
Ni near-side absorption trendMarked as a best value within this paper	decreases significantly with Cu doping	—	—	Text Qualitative	p004 · Results and Discussion · Figure 3a

XPS

X-ray photoelectron spectroscopy

NiZrCu-BDC nanosheets · Nanosheet

high-resolution XPS of Ni, Zr and Cu

Context: target pristine powder
Measurement source: p002 · Results and Discussion · Figure 2d-f

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Cu 2p1/2	953.2	—	—	Text Exact Reported	p002 · Results and Discussion · Figure 2d-f
Cu 2p3/2	933.2	—	—	Text Exact Reported	p002 · Results and Discussion · Figure 2d-f
Cu 2p satellite	942.3	—	—	Text Exact Reported	p002 · Results and Discussion · Figure 2d-f
Cu valence state	+2	—	—	Text Qualitative	p002 · Results and Discussion · Figure 2d-f
Ni 2p peak	855.7	—	—	Text Exact Reported	p002 · Results and Discussion · Figure 2d-f
Ni 2p satellite	861.3	—	—	Text Exact Reported	p002 · Results and Discussion · Figure 2d-f
Ni valence state	+2	—	—	Text Qualitative	p002 · Results and Discussion · Figure 2d-f
Zr 3d3/2	185.1	—	—	Text Exact Reported	p002 · Results and Discussion · Figure 2d-f
Zr 3d5/2	182.6	—	—	Text Exact Reported	p002 · Results and Discussion · Figure 2d-f
Zr valence state	+4	—	—	Text Qualitative	p002 · Results and Discussion · Figure 2d-f