A Soluble ProDOT-Based Polymer and Its Electrochromic Device with Yellow-to-Green Color Switching Towards Camouflage Application.

Shizhao Wang, Tao Yang, Haichang Fu, Yujie Dong, Weijun Li, Cheng Zhang

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Article in Molecules (Basel, Switzerland), 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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6 authors.

Shizhao WangCollege of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, China.ORCID 0000-0002-7998-2080

Tao YangCollege of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, China.

Haichang FuTaizhou Biomedical and Chemistry Industry Institute, Taizhou 318000, China.

Yujie DongCollege of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, China.

Weijun LiCollege of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, China.

Cheng ZhangCollege of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, China.

Funding

Zhejiang Provincial Natural Science Foundation LY19E030006, LY24E030012

6 · The paper itself

Abstract

Yellow-to-green electrochromic color switching plays a key role in the intelligent adaptive camouflage under the visible light environment in future military camouflage applications. Here, we designed and synthesized a soluble electrochromic conjugated pDPTD polymer, mainly based on perylo[1,12-bcd]thiophene and the novel ProDOT groups. The pDPTD polymer displayed a yellow-to-green electrochromism with large optical contrast and fast switching times. Based on the pDPTD polymer film, a yellow-to-green electrochromic device was achieved, showing an orange-yellow color at -0.4 V with L*a*b* color coordinates of 88.5, 18.5, and 34.2 and a pale green color at 0.7 V with L*a*b* color coordinates of 85.6, -4.8, and 11.5, together with a large optical contrast of 43.5% and fast switching times of 2.4/3.2 s. These results indicated that the pDPTD polymer could serve as a potential electrochromic material for yellow/green system camouflage applications.

Indexed as

conjugated polymerelectrochomic camouflageelectrochromic deviceProDOT

Identifiers

PMID39683744

DOI10.3390/molecules29235585

PMCPMC11643929

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