Spectroscopy — Sulfur vacancies enriched Nickel-Cobalt sulfides hollow spheres with high performance for All-Solid-State hybrid supercapacitor

4 measurement groups · 11 results

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

r-NiCo2S4-6 HSs · Powder

EPR spectra at 77 K, 5.00 G modulation amplitude, magnetic field modulation 100 kHz.

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
EPR signal field	3506 G	—	—	Text Exact Reported	main p.4 · 3. Results and discussion · Fig. 3c
EPR g value	g value of 2.002	—	—	Text Exact Reported	main p.4 · 3. Results and discussion · Fig. 3c
EPR sulfur vacancy signal increases after reduction	r-NiCo2S4-6 HSs reveals a stronger EPR signal at the same position than NiCo2S4-6 HSs	—	—	Text Qualitative	main p.4 · 3. Results and discussion · Fig. 3c

r-NiCo2S4-6 HSs · Powder

Raman spectra of NiCo2S4-6 HSs and r-NiCo2S4-6 HSs.

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Raman A1g mode	611 cm-1	—	—	Text Exact Reported	main p.4 · 3. Results and discussion · Fig. 3b
Raman F2g mode	518 cm-1	—	—	Text Exact Reported	main p.4 · 3. Results and discussion · Fig. 3b

r-NiCo2S4-6 HSs · Powder

DRS from 200 to 800 nm; band gap determined assuming direct transition n = 2.

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Band gap of NiCo2S4-6 HSs	about 2.09 eV	—	about	Text Approximate	main p.5 · 3. Results and discussion · Fig. S8b
Band gap of r-NiCo2S4-6 HSsMarked as a best value within this paper	1.81 eV	—	—	Text Rounded Reported	main p.5 · 3. Results and discussion · Fig. S8b

r-NiCo2S4-6 HSs · Powder

Ni 2p, Co 2p and S 2p fitted spectra for r-NiCo2S4-6 HSs and NiCo2S4-6 HSs.

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
S 2p1/2 relative band intensity in NiCo2S4-6 HSs	47.03%	—	—	Text Exact Reported	main p.5 · 3. Results and discussion · Fig. 4f
S 2p1/2 relative band intensity in r-NiCo2S4-6 HSsMarked as a best value within this paper	67.88%	—	—	Text Exact Reported	main p.5 · 3. Results and discussion · Fig. 4c
S 2p1/2 binding energy in r-NiCo2S4-6 HSs	162.7 eV	—	—	Text Exact Reported	main p.5 · 3. Results and discussion · Fig. 4c
S 2p3/2 binding energy in r-NiCo2S4-6 HSs	161.5 eV	—	—	Text Exact Reported	main p.5 · 3. Results and discussion · Fig. 4c