Electrochromic materials based on novel polymers containing triphenylamine units and benzo[c] [1,2,5]thiadiazole units

被引：17
|
作者：
Ma, Fanghong [1 ]
Liu, Fuhan [1 ]
Hou, Yanjun [1 ,2 ]
Niu, Haijun [1 ,3 ]
Wang, Cheng [1 ,3 ]
机构：
[1] Heilongjiang Univ, Sch Chem & Mat Sci, Harbin 150080, Peoples R China
[2] Heilongjiang Univ, Coll Heilongjiang Prov, Key Lab Chem Engn Proc & Technol High Efficiency, Harbin 150080, Peoples R China
[3] Heilongjiang Univ, Key Lab Funct Inorgan Mat Chem, Minist Educ Peoples Republ China, Harbin 150080, Peoples R China
来源：
SYNTHETIC METALS | 2020年 / 259卷 / 259期
基金：
黑龙江省自然科学基金; 美国国家科学基金会;
关键词：
Electrochromism; Triphenylamine; Benzo[c](1,2,5)thiadiazole; AROMATIC POLYAMIDES; POLYIMIDES;
D O I：
10.1016/j.synthmet.2019.116235
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Six novel electrochromic (EC) polymers containing triphenylamine units and benzo[c][1,2,5]thiadiazole (BTD) units, coded as TPABTA, TPABTD, TPABTD-a, TPABTD-b, TPABTD-c and TPABTD-d, were successfully synthesized through polymer condensation reaction and their electrochromic properties were characterized in detail. The films of these polymers exhibited reversible color changes, high optical transparency, good solubility in many organic solvents and good coloration efficiency. Among them, the TPABTD-b film showed a set of reasonable electrochromic features, including high coloration efficiency (270 cm(2)C(-1)), appropriate transmittance change (23 % at 849 nm) and a relatively longer response time in bleaching process (t(b) = 3.7 s).
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页数：9
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