Reversible protonic doping of poly(2,5-bis(5-(2,3-dihydrothieno[3,4-b][1, 4]dioxin-5-yl)-3-dodecylthiophen-2-yl)thieno[3,2-b]thiophene)

Reversible protonic doping of poly(2,5-bis(5-(2,3-dihydrothieno[3,4-b][1, 4]dioxin-5-yl)-3-dodecylthiophen-2-yl)thieno[3,2-b]thiophene)
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聚(2,5-双(5-(2,3-二氢噻吩并[3,4-b][1, 4]二恶英-5-基)-3-十二烷基噻吩-2-基)噻吩[3的可逆质子掺杂

DOI:
10.1080/15421406.2022.2101255
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发表时间:
2022
影响因子:
0.7
通讯作者:
Wei Qingshuo
Wei Qingshuo
中科院分区:
化学4区
文献类型:
--
作者:
Yin Chenzhu;Zhang Zhenya;Wei Qingshuo

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以FeCl 3为氧化剂,通过原位氧化聚合法合成了一种新型导电聚合物聚(2,5-双(5-(2,3-二氢噻吩并[3,4-B][1,4]二恶英-5-基)-3-十二烷基噻吩-2-基)噻吩并[3,2-B]噻吩)。该聚合物可以被质子掺杂,并且掺杂过程是可逆的。质子掺杂的薄膜具有bissp型导电性,塞贝克系数约为0.0001。24 µV/K,电导率约为1.5。cm-1,载流子密度为2 × 1020 cm-3。这项工作介绍了一种设计质子掺杂有机半导体的新方法:交换和修改化学结构,使半导体的性能精确调谐。
Herein, a novel conducting polymer poly(2,5-bis(5-(2,3-dihydrothieno[3,4-b][1, 4]dioxin-5-yl)-3-dodecylthiophen-2-yl)thieno[3,2-b]thiophene) has been developed and synthesized via in situ oxidative polymerization using FeCl3as the oxidant. This polymer can be proton doped, and the doping process is reversible. The proton-doped film exhibitsp-type conduction, with a Seebeck coefficient of ca. 24 µV/K, and an electrical conductivity of ca. 30 S·cm−1with a carrier density of 2 × 1020cm−3has been achieved. This work introduces a new approach for designing proton-dopable organic semiconductors: exchanging and modifying the chemical structure to enable precise tuning of the semiconductor’s properties.
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发表时间: 2020-12-10
期刊: The journal of physical chemistry. B
影响因子: --
作者:
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