Spectroscopy — Bioinspired fiber-like porous Cu/N/C electrocatalyst facilitating electron transportation toward oxygen reaction for metal-air batteries

Measurement evidence

Spectroscopy

Bioinspired fiber-like porous Cu/N/C electrocatalyst facilitating electron transportation toward oxygen reaction for metal-air batteries · Wang Q., Zhang Z., Wang M. et al. · Nanoscale · 2018 · 15819-15825

2 measurement groups · 17 results

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

X-ray photoelectron spectroscopy (XPS)

X-ray photoelectron spectroscopy

CuNC (MOF) · Powder

XPS survey and high-resolution N 1s/Cu 2p; SI lists ESCA LAB 250Xi.

Context: Target MOF-derived carbon.
Measurement source: p004 / 15822 · Results and discussion · Fig. 3c,d; Fig. S1

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Cu0 XPS binding energy	952.2 eV	952.2 eV	—	Text Exact Reported	p004 / 15822 · Results and discussion · Fig. 3d
Cu2+ XPS binding energy	934.6 eV	934.6 eV	—	Text Exact Reported	p004 / 15822 · Results and discussion · Fig. 3d
Cu2+ XPS binding energy	954.6 eV	954.6 eV	—	Text Exact Reported	p004 / 15822 · Results and discussion · Fig. 3d
Cu+ XPS binding energy	932.0 eV	932 eV	—	Text Exact Reported	p004 / 15822 · Results and discussion · Fig. 3d
N 1s graphitic N binding energy	401.2 eV	401.2 eV	—	Text Exact Reported	p004 / 15822 · Results and discussion · Fig. 3c
N 1s oxide N binding energy	402.8 eV	402.8 eV	—	Text Exact Reported	p004 / 15822 · Results and discussion · Fig. 3c
N 1s pyridinic N binding energy	398.1 eV	398.1 eV	—	Text Exact Reported	p004 / 15822 · Results and discussion · Fig. 3c
N 1s pyrrolic N binding energy	400.2 eV	400.2 eV	—	Text Exact Reported	p004 / 15822 · Results and discussion · Fig. 3c
Surface atomic content C	73.07%	73.07 at%	—	Text Exact Reported	p004 / 15822 · Results and discussion · Fig. S1
Surface atomic content Cu	0.67%	0.67 at%	—	Text Exact Reported	p004 / 15822 · Results and discussion · Fig. S1
Surface atomic content NMarked as a best value within this paper	18.51%	18.51 at%	—	Text Exact Reported	p004 / 15822 · Results and discussion · Fig. S1
Surface atomic content O	7.76%	7.76 at%	—	Text Exact Reported	p004 / 15822 · Results and discussion · Fig. S1

EDX and XPS survey

X-ray photoelectron spectroscopy Elemental microanalysis and mapping

CuNC NPs · Powder

EDX of CuNC NPs and XPS full spectrum from SI Fig. S4.

Context: Nanoparticle comparison sample.
Measurement source: p005 / 15823 · Results and discussion · Fig. S3; Fig. S4

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
CuNC NP EDX detected elements	C, N, O and Cu peaks observed	—	—	Caption Qualitative	p007 · S6 · Figure S3
CuNC NP atomic content C	85.66%	85.66 at%	—	Text Exact Reported	p005 / 15823 · Results and discussion · Fig. S4
CuNC NP atomic content Cu	0.29%	0.29 at%	—	Text Exact Reported	p005 / 15823 · Results and discussion · Fig. S4
CuNC NP atomic content N	1.26%	1.26 at%	—	Text Exact Reported	p005 / 15823 · Results and discussion · Fig. S4
CuNC NP atomic content O	12.79%	12.79 at%	—	Text Exact Reported	p005 / 15823 · Results and discussion · Fig. S4