cMOF Evidence Base
Spectroscopy — One-Dimensional π-d Conjugated Conductive Metal-Organic Framework with Dual Redox-Active Sites for High-Capacity and Durable Cathodes for Aqueous Zinc Batteries

Measurement evidence

Spectroscopy

One-Dimensional π-d Conjugated Conductive Metal-Organic Framework with Dual Redox-Active Sites for High-Capacity and Durable Cathodes for Aqueous Zinc Batteries · Sang Z., Liu J., Zhang X. et al. · ACS Nano · 2023 · 3077-3087

2 measurement groups · 10 results

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

Ex situ XPS and FTIR at different charge/discharge states

Infrared spectroscopyX-ray photoelectron spectroscopy

Cu-BTA-H composite cathode nanosheet · Electrode

Cu-BTA-H and Ni-BTA-H cathodes measured at initial state, discharged states and charged state to evaluate Zn insertion and redox centres.

Geometry
cycled composite cathode
Context
composite cathode after electrochemical states
Measurement source
3081-3082 · Results and Discussion · Figure 3; Figures S12-S14
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Cu redox participationCu2+ to Cu+ during discharge and Cu+ to Cu2+ during charge; no Cu0——Qualitative
Qualitative		3082 · Results and Discussion · Figure 3b
Ni redox participationNi2+ has no change during charging/discharging——Qualitative
Qualitative		3082 · Results and Discussion · Figure 3c

XPS, EPR, Raman and FTIR

Infrared spectroscopyRaman spectroscopyX-ray photoelectron spectroscopyElectron paramagnetic resonance

Cu-BTA-H powder · Powder

Chemical structure and electronic state comparison of Cu-BTA-H/L and Ni-BTA-H; XPS used Escalab 250Xi, Raman excitation 632 nm, FTIR Ruili WQF-510, EPR Bruker EMS nano at room temperature.

Temperature
room temperature for EPR
Context
pristine powder comparison
Measurement source
3079 · Results and Discussion; Characterization · Figure 1g-l; Figures S4-S6
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
EPR g factorapproximately 2.08——Text
Approximate		3079 · Results and Discussion · Figure 1j
EPR g factorapproximately 2.01——Text
Approximate		3079 · Results and Discussion · Figure 1j
FTIR secondary amine N-H stretchapproximately 3250 cm^-1——Text
Approximate		3079 · Results and Discussion · Figure 1l; Figure S6
N 1s C=N binding energy398.3 eV——Text
Exact Reported		3079 · Results and Discussion · Figure 1h
N 1s C-NH-M/C-N binding energy399.6 eV——Text
Exact Reported		3079 · Results and Discussion · Figure 1h
Raman/FTIR C=N peakapproximately 1512 cm^-1——Text
Approximate		3079 · Results and Discussion · Figure 1k,l
Raman/FTIR C-N peakapproximately 1204 cm^-1——Text
Approximate		3079 · Results and Discussion · Figure 1k,l
Raman M-N vibrationapproximately 620 cm^-1——Text
Approximate		3079 · Results and Discussion · Figure 1k