Spectroscopy — Synergistic Enhancement of Supercapacitors with Cobalt–Copper Bimetal–Organic Framework

Measurement evidence

Spectroscopy

Synergistic Enhancement of Supercapacitors with Cobalt–Copper Bimetal–Organic Framework · Zhang Z., Wang Z., Dong M. et al. · Advanced Engineering Materials · 2024 · 2400378

5 measurement groups · 22 results

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

STEM-EDS

CoCu-MOF powder, Co:Cu = 6:1 feed · Powder

Energy-dispersive X-ray spectroscopy of CoCu-MOF material

Context
pristine powder
Measurement source
2 · Supporting Information · Figure S1
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
EDS Co at%6.16 at%Visual Estimate
Exact Reported
2 · Supporting Information · Figure S1
STEM-EDS Co:Cu atom ratio6.16Text
Exact Reported
3 · Results and Discussion · Figure S1
EDS Co wt%21.99 wt%Visual Estimate
Exact Reported
2 · Supporting Information · Figure S1
EDS Cu at%1.00 at%Visual Estimate
Exact Reported
2 · Supporting Information · Figure S1
EDS Cu wt%3.84 wt%Visual Estimate
Exact Reported
2 · Supporting Information · Figure S1

FTIR

CoCu-MOF powder, Co:Cu = 6:1 feed · Powder

FTIR spectra over 4000-400 cm-1 collected with Bruker Tensor 27 at room temperature using KBr dilution; spectra compare Cu-MOF, Co-MOF and CoCu-MOF

Temperature
room temperature
Geometry
KBr dilution
Context
pristine powders
Measurement source
4 · Results and Discussion · Figure 3
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
asymmetric COO- vibration1574 cm-1Text
Exact Reported
3 · Results and Discussion · Figure 3
C=O stretching band1690-1667 cm-1Text
Range
3 · Results and Discussion · Figure 3
Co-O-H or Cu-O-H stretching band747-733 cm-1Text
Range
3 · Results and Discussion · Figure 3
symmetric COO- vibration1384 cm-1Text
Exact Reported
3 · Results and Discussion · Figure 3

XPS

Co-MOF powder · Powder

Thermo Scientific K-Alpha, Al K-alpha hnu = 1486.6 eV; binding energies referenced to C 1s 284.6 eV

Context
pristine powder
Measurement source
3 · Results and Discussion · Figure 4c
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Co2+ Co 2p1/2 binding energy796.2 eVText
Exact Reported
3 · Results and Discussion · Figure 4c
Co2+ Co 2p3/2 binding energy780.5 eVText
Exact Reported
3 · Results and Discussion · Figure 4c
Co3+ Co 2p1/2 binding energy797.4 eVText
Exact Reported
3 · Results and Discussion · Figure 4c
Co3+ Co 2p3/2 binding energy781.7 eVText
Exact Reported
3 · Results and Discussion · Figure 4c

XPS

CoCu-MOF powder, Co:Cu = 6:1 feed · Powder

Thermo Scientific K-Alpha, Al K-alpha hnu = 1486.6 eV; binding energies referenced to C 1s 284.6 eV

Context
pristine powder
Measurement source
4 · Results and Discussion · Figure 4d and Table S1
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
CoCu-MOF Cu2+ fraction17%0.17 fractionText
Exact Reported
4 · Results and Discussion · Table S1
CoCu-MOF Cu+ fractionMarked as a best value within this paper83%0.83 fractionText
Exact Reported
1 · Abstract
Co3+/Co2+ ratio in Co-MOF and CoCu-MOFabout 2.5aboutText
Approximate
3 · Results and Discussion · Figure 4c

XPS

Cu-MOF powder · Powder

Thermo Scientific K-Alpha, Al K-alpha hnu = 1486.6 eV; binding energies referenced to C 1s 284.6 eV

Context
pristine powder
Measurement source
4 · Results and Discussion · Figure 4d and Table S1
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Cu-MOF Cu2+ fraction82%0.82 fractionText
Exact Reported
4 · Results and Discussion · Table S1
Cu-MOF Cu+ fraction18%0.18 fractionText
Exact Reported
4 · Results and Discussion · Table S1
Cu2+ Cu 2p1/2 binding energy954.4 eVText
Exact Reported
4 · Results and Discussion · Figure 4d
Cu2+ Cu 2p3/2 binding energy934.4 eVText
Exact Reported
4 · Results and Discussion · Figure 4d
Cu+ Cu 2p1/2 binding energy952.6 eVText
Exact Reported
4 · Results and Discussion · Figure 4d
Cu+ Cu 2p3/2 binding energy932.8 eVText
Exact Reported
4 · Results and Discussion · Figure 4d