Department of Materials Science and Engineering, Johns Hopkins University, 3400 North Charles Street, Baltimore, Maryland, 21218, USA.
Department of Electrical and Computer Engineering, Johns Hopkins University, 3400 North Charles Street, Baltimore, Maryland, 21218, USA.
Department of Chemical and Biomolecular Engineering, Johns Hopkins University, Baltimore, Maryland, 21218, USA.
两种具有不同主链的 n 型共轭聚合物和一种 n 型掺杂剂 1,3-二甲基-2-(3,4,5-三甲氧基苯基)-2,3-二氢-1 H-苯并[d]咪唑 (TP- DMBI) 被合成，并且通过 TP-DMBI 实现了0.53 cm 2 V -1 S -1 的电子迁移率、11 S cm -1 的电导率和 32 μW m -1 K -2的 n 型有机热电材料的功率因数掺杂薄膜，其性能优于 N-DMBI 掺杂薄膜。
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3,4,5-Trimethoxy Substitution on an N-DMBI Dopant with New N-Type Polymers: Polymer-Dopant Matching for Improved Conductivity-Seebeck Coefficient Relationship
Two n-type conjugated polymers with different backbones and a n-type dopant 1,3-dimethyl-2-(3,4,5-trimethoxyphenyl)-2,3-dihydro-1H-benzo[d]imidazole (TP-DMBI) are synthesized, and electron mobility of 0.53 cm2 V−1 S−1, electrical conductivity of 11 S cm−1 and power factor 32 μW m−1 K−2 for n-type organic thermoelectrics are achieved by TP-DMBI doped films, which out-perform N-DMBI doped films.
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