Spectroscopy — Multifunctional covalent organic framework with extended π-d conjugated structure for lithium-sulfur batteries

3 measurement groups · 11 results

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

as-synthesised Ni-COF powder/precipitate · Powder

BRUKER INVENIO, 4000-400 cm-1, 2 cm-1 resolution; HBC, TABQ and Ni-COF compared

Geometry: powder
Context: pristine Ni-COF
Measurement source: p003-p004 / 3128-3129 · Results and discussion · Fig. 2a

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
C=N stretching vibration	1540 cm-1	—	—	Text Exact Reported	p003 / 3128 · Results and discussion · Fig. 2a
C=O band	1652 cm-1	—	—	Text Exact Reported	p003 / 3128 · Results and discussion · Fig. 2a

as-synthesised Ni-COF powder/precipitate · Powder

4B9A beamline at BSRF; Ni foil and NiO references

Geometry: powder
Context: pristine Ni-COF
Measurement source: p004-p005 / 3129-3130 · Results and discussion · Fig. 3b-f; Fig. S4

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
EXAFS Ni-O(N) peak	1.5 A	—	—	Text Exact Reported	p004 / 3129 · Results and discussion · Fig. 3c
solid-state UV-vis broad absorption upper bound	660 nm	—	—	Text Exact Reported	p004 / 3129 · Results and discussion · Fig. S5
solid-state UV-vis broad absorption lower bound	350 nm	—	—	Text Exact Reported	p004 / 3129 · Results and discussion · Fig. S5
WT intensity maximum	~5.2 A-1	—	—	Text Approximate	p004 / 3129 · Results and discussion · Fig. 3d-f

as-synthesised Ni-COF powder/precipitate · Powder

Shimadzu/Kratos AXIS Ultra DLD XPS; Shimadzu ICPE-9820 ICP

Geometry: powder
Context: pristine Ni-COF
Measurement source: p003 / 3128 · Results and discussion · Fig. 3a; Fig. S2; Table S1

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Ni content calculated	22.72 wt%	—	—	SI Table Exact Reported	p011 · Supporting Figures · Table S1
Ni content tested by ICPMarked as a best value within this paper	25.72 wt%	—	—	Text Exact Reported	p003 / 3128 · Results and discussion · Table S1
Ni oxidation state	+2	—	—	Text Exact Reported	p003 / 3128 · Results and discussion · Fig. 3a
Ni 2p1/2 binding energy	874.2 eV	—	—	Text Exact Reported	p003 / 3128 · Results and discussion · Fig. 3a
Ni 2p3/2 binding energy	856.2 eV	—	—	Text Exact Reported	p003 / 3128 · Results and discussion · Fig. 3a