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Herein, three kinds of electrochromic aromatic polyimides (PIs) were synthesized from 4,4′-diamino-4″-(quinolin-8-yloxy) triphenylamine (DAQTPA) with different dianhydrides, respectively. These PIs showed good thermostability below 450°C even in air atmosphere. The maximum UV–vis absorption bands of PIs located at 321–338nm for solid films. The highest occupied molecular orbital (HOMO) and lowest...
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