Spectroscopy — Facile synthesis of Ni-, Co-, Cu-metal organic frameworks electrocatalyst boosting for hydrogen evolution reaction

4 measurement groups · 13 results

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

As-prepared Cu-BTC blue crystals/powder · Powder

ThermoFisher Scientific FTIR Spectrometer, 2200-400 cm-1 region; bands discussed for Cu-, Co- and Ni-BTC collectively.

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Benzene ring vibration band	~725 cm-1	—	~	Text Approximate	main p.4, article p.175 · Results and discussion · Fig. 3b
Non-ionised carboxyl vibration band range	1730-1690 cm-1	—	range	Text Range	main p.4, article p.175 · Results and discussion · Fig. 3b
Carboxylate asymmetric/symmetric stretching range	1620 to 1380 cm-1	—	range	Text Range	main p.4, article p.175 · Results and discussion · Fig. 3b

As-prepared Co-BTC crystals/powder · Powder

Thermo ESCALAB 250 with monochromatised Al Kalpha source, 150 W, pass energy 20 eV.

Context: pristine powder
Measurement source: main p.4, article p.175 · Results and discussion · Fig. 4c

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Co 2p1/2 binding energy	796.9 eV	—	—	Text Exact Reported	main p.4, article p.175 · Results and discussion · Fig. 4c
Co 2p3/2 binding energy	781.4 eV	—	—	Text Exact Reported	main p.4, article p.175 · Results and discussion · Fig. 4c
Co 2p satellite peak	785.4 eV	—	—	Text Exact Reported	main p.4, article p.175 · Results and discussion · Fig. 4c
Co 2p satellite peak	802.1 eV	—	—	Text Exact Reported	main p.4, article p.175 · Results and discussion · Fig. 4c

As-prepared Cu-BTC blue crystals/powder · Powder

Thermo ESCALAB 250 with monochromatised Al Kalpha source, 150 W, pass energy 20 eV.

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Cu 2p1/2 binding energy	952.5 eV	—	—	Text Exact Reported	main p.4, article p.175 · Results and discussion · Fig. 4b
Cu 2p3/2 binding energy	932.8 eV	—	—	Text Exact Reported	main p.4, article p.175 · Results and discussion · Fig. 4b

As-prepared Ni-BTC precipitate/powder · Powder

Thermo ESCALAB 250 with monochromatised Al Kalpha source, 150 W, pass energy 20 eV.

Context: pristine powder
Measurement source: main p.4, article p.175 · Results and discussion · Fig. 4d

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Ni 2p1/2 binding energy	873.2 eV	—	—	Text Exact Reported	main p.4, article p.175 · Results and discussion · Fig. 4d
Ni 2p3/2 binding energy	855.7 eV	—	—	Text Exact Reported	main p.4, article p.175 · Results and discussion · Fig. 4d
Ni 2p satellite peak	861.1 eV	—	—	Text Exact Reported	main p.4, article p.175 · Results and discussion · Fig. 4d
Ni 2p satellite peak	878.9 eV	—	—	Text Exact Reported	main p.4, article p.175 · Results and discussion · Fig. 4d