Spectroscopy — Experimental manifestation of redox-conductivity in metal-organic frameworks and its implication for semiconductor/insulator switching

Measurement evidence

Spectroscopy

Experimental manifestation of redox-conductivity in metal-organic frameworks and its implication for semiconductor/insulator switching · Li J., Kumar A., Johnson B.A. et al. · Nature Communications · 2023 · 4388

1 measurement group · 4 results

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

Operando UV-Vis spectroelectrochemistry

UV-visible and optical absorption spectroscopy

Zn(pyrazol-NDI) thin film on FTO · Thin Film

Controlled-potential UV-Vis spectra collected in kinetic mode while applying electrochemical potentials in Ar-saturated DMF with 0.1 M KPF6.

Atmosphere: Ar-saturated
Geometry: Cuvette electrochemical cell combined with Varian Cary 50 UV-Vis spectrophotometer.
Context: Zn(pyrazol-NDI) thin film at x = 0.0, 0.5, 1.0, 1.5, and 2.0 redox states.
Measurement source: 4 · Electrochemical modulation · Fig. 2e,f

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
NDI dianion absorption peaks in Zn(pyrazol-NDI)	394 and 415 nm	—	—	Text Exact Reported	4 · Electrochemical modulation · Fig. 2f
*Neutral Zn(pyrazol-NDI) NDI pi-pi absorption**	360 nm	—	—	Text Exact Reported	4 · Electrochemical modulation · Fig. 2e
*Neutral Zn(pyrazol-NDI) NDI pi-pi absorption**	379 nm	—	—	Text Exact Reported	4 · Electrochemical modulation · Fig. 2e
NDI radical anion absorption peaks in Zn(pyrazol-NDI)	473, 606, 703, and 782 nm at -0.96 V vs Ag/AgNO3	—	—	Text Exact Reported	4 · Electrochemical modulation · Fig. 2e