Spectroscopy — Two-Dimensional π-d Conjugated Conductive Metal-Organic Framework with Triple Active Centers as High-Performance Cathodes for Flexible Zinc Batteries

Measurement evidence

Spectroscopy

Two-Dimensional π-d Conjugated Conductive Metal-Organic Framework with Triple Active Centers as High-Performance Cathodes for Flexible Zinc Batteries · Ding H., Liu P., Liu C. et al. · ChemSusChem · 2025 · e202401606

3 measurement groups · 20 results

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

FT-IR, Raman and XRD

Pristine 1D Cu-TABQ powder · Powder

Powder characterisation of 1D Cu-TABQ for comparison with 2D Cu-TABQ.

Context
pristine framework powder
Measurement source
main p.2 · Structural Characterization · Figure 1c-e
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
1D Cu-TABQ carbonyl stretching vibration1583 cm-1Text
Exact Reported
main p.2 · Structural Characterization · Figure 1d

FT-IR, Raman, XPS, EPR and TEM-EDS mapping

Pristine 2D Cu-TABQ powder · Powder

Powder characterisation of 2D Cu-TABQ; instruments include Raman Bruker Senterra, FTIR Bruker Vertex 70 V, XPS Thermo ESCALAB 250Xi and EPR Bruker EMXplus-6/1.

Temperature
room temperature for EPR
Context
pristine framework powder
Measurement source
main p.3 · Structural Characterization · Figures 1d-e, 2a-c, S1
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
2D Cu-TABQ carbonyl stretching vibration1694 cm-1Text
Exact Reported
main p.2 · Structural Characterization · Figure 1d
EPR g-factor for Cu2+ in 2D Cu-TABQg-factor of 2.102Text
Exact Reported
main p.3 · Structural Characterization · Figure 2b
EPR g-factor for ligand radicals in 2D Cu-TABQg-factor of 2.002Text
Exact Reported
main p.3 · Structural Characterization · Figure 2b
N 1s C=N peak in 2D Cu-TABQ399.2 eVText
Exact Reported
main p.3 · Structural Characterization · Figure S1
N 1s C-N peak in 2D Cu-TABQnear 400 eVText
Approximate
main p.3 · Structural Characterization · Figure S1
Cu+ Cu 2p binding energy in 2D Cu-TABQ932.3 eVText
Exact Reported
main p.3 · Structural Characterization · Figure 2a
Cu2+ Cu 2p binding energy in 2D Cu-TABQ934.8 eVText
Exact Reported
main p.3 · Structural Characterization · Figure 2a
Raman N-Cu peak higher position430 cm-1Text
Exact Reported
main p.2 · Structural Characterization · Figure 1e
Raman N-Cu peak lower position397 cm-1Text
Exact Reported
main p.2 · Structural Characterization · Figure 1e

Ex-situ FT-IR and ex-situ XPS during charge/discharge

2D Cu-TABQ composite cathode in CR2032 Zn cell · Electrode

2D Cu-TABQ electrode analysed at pristine, discharged and charged states to track C=O, C=N, C-O, C-N, Zn 2p and Cu 2p signatures.

Geometry
Electrode recovered from Zn cell
Context
cycled composite cathode containing 2D Cu-TABQ
Measurement source
main p.5 · Storage Mechanism · Figure 4, Figures S11-S12
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
C 1s C=O peak in 2D Cu-TABQaround 287.8 eVText
Approximate
main p.5 · Storage Mechanism · Figure S12
C 1s C=N peak in 2D Cu-TABQaround 286.3 eVText
Approximate
main p.5 · Storage Mechanism · Figure S12
Cu+ binding energy after full discharge932.9 eVText
Exact Reported
main p.5 · Storage Mechanism · Figure 4d
Cu2+ binding energy before reduction during discharge934.9 eVText
Exact Reported
main p.5 · Storage Mechanism · Figure 4d
Ex-situ FT-IR C=N active-site band1459 cm-1Text
Exact Reported
main p.5 · Storage Mechanism · Figure 4a
Ex-situ FT-IR C=O active-site band1651 cm-1Text
Exact Reported
main p.5 · Storage Mechanism · Figure 4a
N 1s C-N binding energy after Zn insertion400.1 eVText
Exact Reported
main p.5 · Storage Mechanism · Figure 4b
N 1s C=N binding energy in storage mechanism399.1 eVText
Exact Reported
main p.5 · Storage Mechanism · Figure 4b
O 1s C=O binding energy in storage mechanism532.8 eVText
Exact Reported
main p.5 · Storage Mechanism · Figure 4c
O 1s C-O binding energy after Zn insertion531.9 eVText
Exact Reported
main p.5 · Storage Mechanism · Figure 4c