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基于9,9'-(5-溴-1,3-亚苯基)双咔唑和二噻吩衍生物的电沉积共聚物用于高性能电致变色器件。

Electrodeposited Copolymers Based on 9,9'-(5-Bromo-1,3-phenylene)biscarbazole and Dithiophene Derivatives for High-Performance Electrochromic Devices.

作者信息

Kuo Chung-Wen, Chang Jui-Cheng, Chang Jeng-Kuei, Huang Sheng-Wei, Lee Pei-Ying, Wu Tzi-Yi

机构信息

Department of Chemical and Materials Engineering, National Kaohsiung University of Science and Technology, Kaohsiung 80778, Taiwan.

Department of Chemical Engineering and Materials Engineering, National Yunlin University of Science and Technology, Yunlin 64002, Taiwan.

出版信息

Polymers (Basel). 2021 Apr 2;13(7):1136. doi: 10.3390/polym13071136.

DOI:10.3390/polym13071136
PMID:33918293
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC8038177/
Abstract

A 1,3-bis(carbazol-9-yl)benzene derivative (BPBC) was synthesized and its related homopolymer (PBPBC) and copolymers (P(BPBC--BT), P(BPBC--CDT), and P(BPBC--CDTK)) were prepared using electrochemical polymerization. Investigations of polymeric spectra showed that PBPBC film was grey, iron-grey, yellowish-grey, and greyish-green from the neutral to the oxidized state. P(BPBC--BT), P(BPBC--CDT), and P(BPBC--CDTK) films showed multicolor transitions from the reduced to the oxidized state. The transmittance change (Δ) of PBPBC, P(BPBC--BT), P(BPBC--CDT), and P(BPBC--CDTK) films were 29.6% at 1040 nm, 44.4% at 1030 nm, 22.3% at 1050 nm, and 41.4% at 1070 nm. The coloration efficiency () of PBPBC and P(BPBC--CDTK) films were evaluated to be 140.3 cm C at 1040 nm and 283.7 cm C at 1070 nm, respectively. A P(BPBC--BT)/PEDOT electrochromic device (ECD) showed a large Δ (36.2% at 625 nm) and a fast response time (less than 0.5 s), whereas a P(BPBC--CDTK)/PEDOT ECD revealed a large (534.4 cm C at 610 nm) and sufficient optical circuit memory.

摘要

合成了一种1,3-双（咔唑-9-基）苯衍生物（BPBC），并采用电化学聚合法制备了其相关的均聚物（PBPBC）和共聚物（P(BPBC-BT)、P(BPBC-CDT)和P(BPBC-CDTK)）。聚合物光谱研究表明，PBPBC薄膜从中性态到氧化态依次呈现灰色、铁灰色、黄灰色和灰绿色。P(BPBC-BT)、P(BPBC-CDT)和P(BPBC-CDTK)薄膜从还原态到氧化态呈现多色转变。PBPBC、P(BPBC-BT)、P(BPBC-CDT)和P(BPBC-CDTK)薄膜在1040 nm处的透光率变化（Δ）为29.6%，在1030 nm处为44.4%，在1050 nm处为22.3%，在1070 nm处为41.4%。PBPBC和P(BPBC-CDTK)薄膜在1040 nm处的着色效率（）分别为140.3 cm C和在1070 nm处为283.7 cm C。P(BPBC-BT)/PEDOT电致变色器件（ECD）显示出较大的Δ（在625 nm处为36.2%）和快速响应时间（小于0.5 s），而P(BPBC-CDTK)/PEDOT ECD则显示出较大的（在610 nm处为534.4 cm C）和足够的光学循环记忆。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6f34/8038177/897e8f3de93b/polymers-13-01136-g013.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6f34/8038177/6ba65c75424c/polymers-13-01136-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6f34/8038177/5b368888638a/polymers-13-01136-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6f34/8038177/95f26db50100/polymers-13-01136-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6f34/8038177/2b83c6d1da74/polymers-13-01136-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6f34/8038177/ca289077181e/polymers-13-01136-g005a.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6f34/8038177/c163f785aedf/polymers-13-01136-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6f34/8038177/2069d8a9ae60/polymers-13-01136-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6f34/8038177/fafd23441217/polymers-13-01136-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6f34/8038177/3b5e53ed0183/polymers-13-01136-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6f34/8038177/a8fd4e979e77/polymers-13-01136-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6f34/8038177/927b9505f219/polymers-13-01136-g011.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6f34/8038177/74e1f0a08219/polymers-13-01136-g012.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6f34/8038177/897e8f3de93b/polymers-13-01136-g013.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6f34/8038177/6ba65c75424c/polymers-13-01136-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6f34/8038177/5b368888638a/polymers-13-01136-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6f34/8038177/95f26db50100/polymers-13-01136-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6f34/8038177/2b83c6d1da74/polymers-13-01136-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6f34/8038177/ca289077181e/polymers-13-01136-g005a.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6f34/8038177/c163f785aedf/polymers-13-01136-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6f34/8038177/2069d8a9ae60/polymers-13-01136-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6f34/8038177/fafd23441217/polymers-13-01136-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6f34/8038177/3b5e53ed0183/polymers-13-01136-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6f34/8038177/a8fd4e979e77/polymers-13-01136-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6f34/8038177/927b9505f219/polymers-13-01136-g011.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6f34/8038177/74e1f0a08219/polymers-13-01136-g012.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6f34/8038177/897e8f3de93b/polymers-13-01136-g013.jpg

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