In-situ Raman spectroscopic studies on electrochemical oxidation behavior of chromium in alkaline solution

Zheng, Jia-Xing; OuYang, Sheng-Qiang; Liu, Feng; Sun, Jinhua; Xuan, Zhi-Wei; Fang, Jianhui

doi:10.1016/j.jelechem.2022.116682

Journal of Electroanalytical Chemistry

2022

DOI: 10.1016/j.jelechem.2022.116682

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In-situ Raman spectroscopic studies on electrochemical oxidation behavior of chromium in alkaline solution

Jia-Xing Zheng

Sheng-Qiang OuYang

Feng Liu

et al.

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Cited by 4 publications

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“…19 To take a step forward, in situ Raman spectroscopy coordinated with electrochemistry, can form a powerful combination to probe the structure transformation under various environments. 20 Through in situ Raman spectroscopy, the in-time structure change of the targeted material can be gained, and therefore a deeper understanding of the mechanism of the interface can be acquired. 21 In addition to that, the difference in films can be avoided since the in situ measurement is carried out in the same film at the same specific point, through which more comparative data can be gained.…”

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confidence: 99%

In Situ Raman Observation of Zinc-Induced Structural Dynamics and Charge Transfer of a Layered V₂O₅

Wang,

Xie,

Cao

et al. 2023

J. Electrochem. Soc.

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In situ techniques to disclose electrochemical and interfacial behavior between electrode and electrolyte in a quantitative manner are in high demand in numerous fields including electrochromism, energy storage as well as basic science research. This work demonstrates a self-made in situ Raman spectra technique coordinating with an electrochemical workstation and its utility for zinc-induced structural dynamics and charge transfer of a layered V2O5. The increase or decrease of Raman activity modes of V-O3, O1-V-O2, and O1-V-O3 at low or high applied voltages is probably due to the presence of ‘free pathway’ within layers. An interpretation is proposed where the two stages of bidirectional reversibility of Zn2+ intercalation and deintercalation from ‘free pathway’ and V2O5 matrix occur via an electrochemical process, followed by Zn2+ continuous aggregation, fusion and possible transformation to ZnxV2O5. A distinct difference between Li+-based and Zn2+-based electrolytes is that the Raman active modes between V atom and apical oxygen are almost not enhanced or weakened for V2O5 in Zn2+-based electrolyte, most likely due to the greater Coulomb force of Zn2+ on V2O5 matrix than that of Li+. These observations have implications for understanding the performance and stability of electrochromic devices.

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In Situ Raman Observation of Zinc-Induced Structural Dynamics and Charge Transfer of a Layered V₂O₅

Wang,

Xie,

Cao

et al. 2023

J. Electrochem. Soc.

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Catalytic supercritical water oxidation of o-chloroaniline over Ru/rGO: Reaction variables, conversion pathways and nitrogen distribution

Huang

et al. 2023

Chemosphere

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Electrocatalytic reduction of Cr(VI) on gold-based electrodes in acidic medium: A systematic approach to chromium detection

Kairy¹,

Islam²,

Ahsan³

et al. 2023

Electrochimica Acta

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In-situ Raman spectroscopic studies on electrochemical oxidation behavior of chromium in alkaline solution

Cited by 4 publications

References 25 publications

In Situ Raman Observation of Zinc-Induced Structural Dynamics and Charge Transfer of a Layered V₂O₅

In Situ Raman Observation of Zinc-Induced Structural Dynamics and Charge Transfer of a Layered V₂O₅

Catalytic supercritical water oxidation of o-chloroaniline over Ru/rGO: Reaction variables, conversion pathways and nitrogen distribution

Electrocatalytic reduction of Cr(VI) on gold-based electrodes in acidic medium: A systematic approach to chromium detection

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In-situ Raman spectroscopic studies on electrochemical oxidation behavior of chromium in alkaline solution

Cited by 4 publications

References 25 publications

In Situ Raman Observation of Zinc-Induced Structural Dynamics and Charge Transfer of a Layered V2O5

In Situ Raman Observation of Zinc-Induced Structural Dynamics and Charge Transfer of a Layered V2O5

Catalytic supercritical water oxidation of o-chloroaniline over Ru/rGO: Reaction variables, conversion pathways and nitrogen distribution

Electrocatalytic reduction of Cr(VI) on gold-based electrodes in acidic medium: A systematic approach to chromium detection

Contact Info

Product

Resources

About

In Situ Raman Observation of Zinc-Induced Structural Dynamics and Charge Transfer of a Layered V₂O₅

In Situ Raman Observation of Zinc-Induced Structural Dynamics and Charge Transfer of a Layered V₂O₅