Spectroscopy — Negative electrodes for supercapacitors with good performance using conductive bismuth-catecholate metal-organic frameworks

Measurement evidence

Spectroscopy

Negative electrodes for supercapacitors with good performance using conductive bismuth-catecholate metal-organic frameworks · Chen S., Zhang H., Li X. et al. · Dalton Transactions · 2023 · 4826-4834

2 measurement groups · 6 results

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

Post-soaking XRD, N2 adsorption, and FT-IR

Infrared spectroscopy X-ray diffraction and scattering Gas sorption and porosity

Bi(HHTP) 12 h nanobelts · Powder

Bi(HHTP) 12 h soaked in 3 M KOH; XRD, N2 adsorption, and FT-IR compared before/after soaking.

Atmosphere: 3 M KOH aqueous electrolyte exposure
Context: Pristine Bi(HHTP) 12 h powder after alkaline electrolyte soaking.
Measurement source: p006-p008 · Soaking of 3M KOH in Bi(HHTP) materials · Figures S8-S10

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
FT-IR catecholate coordination band after KOH soaking	around 1261 cm^-1	—	—	Text Approximate	p008 · Soaking of 3M KOH in Bi(HHTP) materials · Figure S10
FT-IR catecholate coordination band after KOH soaking	around 1420 cm^-1	—	—	Text Approximate	p008 · Soaking of 3M KOH in Bi(HHTP) materials · Figure S10

X-ray photoelectron spectroscopy

X-ray photoelectron spectroscopy

Bi(HHTP) 12 h nanobelts · Powder

Survey and high-resolution C 1s, Bi 4f, and O 1s regions for Bi(HHTP) 12 h nanobelts.

Context: Pristine Bi(HHTP) 12 h powder.
Measurement source: p003-p004 / article pp.4828-4829 · Structural and physicochemical characterization · Figure 2

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Bi 4f higher binding-energy peak	165.0 eV	—	—	Text Rounded Reported	p003 / article p.4828 · Structural and physicochemical characterization · Figure 2c
Bi 4f lower binding-energy peak	159.8 eV	—	—	Text Rounded Reported	p003 / article p.4828 · Structural and physicochemical characterization · Figure 2c
C 1s peak centre	four peaks centred around 284.8 eV assigned to C=C, C-O-Bi, C=O-Bi, and C-OH	—	—	Text Rounded Reported	p003 / article p.4828 · Structural and physicochemical characterization · Figure 2b
O 1s peak	532 eV	—	—	Text Rounded Reported	p004 / article p.4829 · Structural and physicochemical characterization · Figure 2d