Spectroscopy — Selective reduction of CO2 by conductive MOF nanosheets as an efficient co-catalyst under visible light illumination

6 measurement groups · 19 results

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

Bulk Ni3(HITP)2 black powder · Powder

FTIR spectrum of Ni3(HITP)2 powder with assigned vibrational features.

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
FTIR assigned band: -C=C(Ph)	1636 cm-1, -C=C(Ph)	—	—	Figure Axis Approximate	SI rendered p.4 · Supporting Information · Figure S2
FTIR assigned band: -C-N-	1328 cm-1, -C-N-	—	—	Figure Axis Approximate	SI rendered p.4 · Supporting Information · Figure S2
FTIR assigned band: -CO2	2361 cm-1, -CO2	—	—	Figure Axis Approximate	SI rendered p.4 · Supporting Information · Figure S2
FTIR assigned band: -OH/-NH	3421 cm-1, -OH/-NH	—	—	Figure Axis Approximate	SI rendered p.4 · Supporting Information · Figure S2
FTIR assigned band: Ph-H	1045 cm-1, Ph-H	—	—	Figure Axis Approximate	SI rendered p.4 · Supporting Information · Figure S2
FTIR assigned band: -Ph-H	2989 cm-1, -Ph-H	—	—	Figure Axis Approximate	SI rendered p.4 · Supporting Information · Figure S2

Ni3(HITP)2 nanosheet/[Ru(bpy)3]Cl2.6H2O photocatalytic mixture · Unknown

Photocatalytic reduction under identical conditions using isotopic 13CO2; products analysed by GC and MS.

Temperature: 277
Atmosphere: 13CO2
Geometry: external irradiation photoreactor
Context: hybrid application mixture containing pristine Ni3(HITP)2 nanosheets
Measurement source: main p.6, article p.344 · Results and discussion · Figure S13

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
13CO mass spectral signal	strong peak at m/z = 29 assignable to 13CO	—	—	Text Exact Reported	main p.6, article p.344 · Results and discussion · Figure S13

Ni3(HITP)2 nanosheet/[Ru(bpy)3]Cl2.6H2O photocatalytic mixture · Unknown

[Ru(bpy)3]2+ with Ni3(HITP)2 in MeCN/H2O/TEOA; excitation at 370 nm; decay curves fitted to double exponential model.

Geometry: solution/dispersion
Context: hybrid application mixture containing pristine Ni3(HITP)2
Measurement source: main p.6, article p.344 · Results and discussion · Fig. 4a and Figure S14

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
PL decay lifetime with Ni3(HITP)2	tau2 = 145 ns	—	—	Figure Axis Approximate	SI rendered p.10 · Supporting Information · Figure S14b
PL decay lifetime without Ni3(HITP)2	tau1 = 157 ns	—	—	Figure Axis Approximate	SI rendered p.10 · Supporting Information · Figure S14b
Stern-Volmer fit R	R = 0.984	—	—	Figure Axis Approximate	SI rendered p.10 · Supporting Information · Figure S14a
Stern-Volmer slope for Ni3(HITP)2 PL quenching	I0/I - 1 = 0.94 x [Ni3(HITP)2] - 0.0076	—	—	Figure Axis Approximate	SI rendered p.10 · Supporting Information · Figure S14a
PL lifetime trend	PL lifetime decreases with addition of Ni3(HITP)2	—	—	Text Qualitative	main p.6, article p.344 · Results and discussion · Figure S14b
Photosensitiser PL peak quenching	emission peak at about 620 nm decreases with increasing Ni3(HITP)2	—	—	Text Approximate	main p.6, article p.344 · Results and discussion · Fig. 4a and Figure S14a

Bulk Ni3(HITP)2 black powder · Powder

Raman spectrum of Ni3(HITP)2 powder.

Geometry: powder
Context: pristine conductive MOF
Measurement source: main p.3, article p.341 · 2.3. Characterization · Fig. 1c

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Raman D-like band	1354.8 cm-1	—	—	Text Exact Reported	main p.4, article p.342 · Results and discussion · Fig. 1c
Raman G-like band	1554.2 cm-1	—	—	Text Exact Reported	main p.4, article p.342 · Results and discussion · Fig. 1c

Bulk Ni3(HITP)2 black powder · Powder

UPS valence-band analysis; Fermi level calibrated by Au.

Geometry: powder
Context: pristine conductive MOF
Measurement source: main p.3, article p.341 · 2.3. Characterization · Fig. 4b

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
UPS highest occupied state onset	onset starts from 0 eV and is superimposed over the Fermi level	—	—	Text Exact Reported	main p.6, article p.344 · Results and discussion · Fig. 4b

Bulk Ni3(HITP)2 black powder · Powder

Binding energies calibrated using C1s = 284.6 eV.

Geometry: powder
Context: pristine conductive MOF
Measurement source: main p.3, article p.341 · 2.3. Characterization · Figure S1

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
N 1s binding energy	399.0 eV	—	—	Text Exact Reported	main p.3, article p.341 · Results and discussion · Figure S1
Ni 2p higher binding energy	873.0 eV	—	—	Text Exact Reported	main p.3, article p.341 · Results and discussion · Figure S1
Ni 2p lower binding energy	855.3 eV	—	—	Text Exact Reported	main p.3, article p.341 · Results and discussion · Figure S1