Spectroscopy — Carbon-incorporated Janus-type Ni2P/Ni hollow spheres for high performance hybrid supercapacitors

Measurement evidence

Spectroscopy

Carbon-incorporated Janus-type Ni2P/Ni hollow spheres for high performance hybrid supercapacitors · Hou S., Xu X., Wang M. et al. · Journal of Materials Chemistry A · 2017 · 19054-19061

1 measurement group · 13 results

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

X-ray photoelectron spectroscopy

X-ray photoelectron spectroscopy

NP-150 · Powder

XPS survey and high-resolution Ni 2p/P 2p spectra using monochromatic Al Kalpha source; Table S1 reports Ni 2p3/2 binding energies and atomic ratios.

Context: NP-50, NP-150, NP-250 and NP-350 surface composition
Measurement source: p004 / SI page S-4 · Table S1 · Table S1

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
P 2p peaks assigned to P in Ni2P and oxidised P	128.8 and 133.5 eV	128.8 eV	—	Text Exact Reported	p005 / journal page 19058 · Results and discussion · Fig. S3
NP-150 Ni0+ Ni 2p3/2 binding energy	852.85 eV	852.85 eV	—	SI Table Exact Reported	p004 / SI page S-4 · Table S1 · Table S1
NP-150 Ni0+ atomic ratio relative to Ni2+ = 1.00	0.41	0.41 Ni0+/Ni2+	—	SI Table Exact Reported	p004 / SI page S-4 · Table S1 · Table S1
NP-150 Ni2+ Ni 2p3/2 binding energy	856.61 eV	856.61 eV	—	SI Table Exact Reported	p004 / SI page S-4 · Table S1 · Table S1
NP-250 Ni0+ Ni 2p3/2 binding energy	582.99 eV	582.99 eV	—	SI Table Uncertain	p004 / SI page S-4 · Table S1 · Table S1
NP-250 Ni0+ atomic ratio relative to Ni2+ = 1.00	0.09	0.09 Ni0+/Ni2+	—	SI Table Exact Reported	p004 / SI page S-4 · Table S1 · Table S1
NP-250 Ni2+ Ni 2p3/2 binding energy	856.96 eV	856.96 eV	—	SI Table Exact Reported	p004 / SI page S-4 · Table S1 · Table S1
NP-350 Ni0+ Ni 2p3/2 binding energy	853.13 eV	853.13 eV	—	SI Table Exact Reported	p004 / SI page S-4 · Table S1 · Table S1
NP-350 Ni0+ atomic ratio relative to Ni2+ = 1.00	0.05	0.05 Ni0+/Ni2+	—	SI Table Exact Reported	p004 / SI page S-4 · Table S1 · Table S1
NP-350 Ni2+ Ni 2p3/2 binding energy	857.20 eV	857.2 eV	—	SI Table Exact Reported	p004 / SI page S-4 · Table S1 · Table S1
NP-50 Ni0+ Ni 2p3/2 binding energy	852.81 eV	852.81 eV	—	SI Table Exact Reported	p004 / SI page S-4 · Table S1 · Table S1
NP-50 Ni0+ atomic ratio relative to Ni2+ = 1.00	0.63	0.63 Ni0+/Ni2+	—	SI Table Exact Reported	p004 / SI page S-4 · Table S1 · Table S1
NP-50 Ni2+ Ni 2p3/2 binding energy	856.45 eV	856.45 eV	—	SI Table Exact Reported	p004 / SI page S-4 · Table S1 · Table S1