Issue 42, 2023

Soluble polymer facilely self-grown in situ on conducting substrates at room temperature towards electrochromic applications

Abstract

Electrochromic polymer film preparation methods such as spin coating, spray coating, and electrochemical polymerization, are commonly used. At present, developing new film preparation technology is an important aspect in the field of electrochromics. Herein, a continuous in situ self-growing method based on the chemical reaction occurring on the surface of an ITO glass between a metal oxide and organic acid groups was successfully applied to prepare electrochromic polymer films at a mild room temperature. SEM, FT-IR spectroscopy, XPS, and XRD characterization methods were combined to reveal the process and mechanism of film formation. The following notable electrochromic properties were observed: switching time within 6 s, contrast reached 35%, and minimal decrease of stability after 600 cycles. Finally, the patterned films were obtained through the directional growth of polymers in solution. This study provides an effective strategy for designing and preparing electrochromic films by self-growing methods in future applications.

Graphical abstract: Soluble polymer facilely self-grown in situ on conducting substrates at room temperature towards electrochromic applications

Supplementary files

Article information

Article type
Paper
Submitted
24 Mme 2023
Accepted
13 Jan 2023
First published
15 Jan 2023

Dalton Trans., 2023,52, 15440-15446

Soluble polymer facilely self-grown in situ on conducting substrates at room temperature towards electrochromic applications

X. Shao, Y. Yang, Q. Huang, D. Dai, H. Fu, G. Gong, C. Zhang, M. Ouyang, W. Li and Y. Dong, Dalton Trans., 2023, 52, 15440 DOI: 10.1039/D3DT01230A

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