Polaron effect dependence of thermopower in organic semiconductors |
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| Authors: | Jiebin Niu Nianduan Lu Ling Li Ming Liu |
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| Affiliation: | 1. State Key Laboratory of Surface Physics and Department of Physics, Fudan University, Shanghai 200433, China;2. Institute of Microelectronics, Chinese Academy of Sciences, Beijing 100029, China |
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| Abstract: | A unified physical model for thermopower was presented in organic semiconductors, based on the Marcus theory and variable-range hopping theory. According to the proposed model, the characteristic of charge carrier thermoelectric transport in organic semiconductors has been investigated. In particular, polaron effects, energetic disorder, and carrier density dependence of the thermopower have been discussed in detailed. The calculation also shows a good agreement with the experimental data in organic semiconductors. |
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| Keywords: | Thermopower Organic semiconductor Polaron effect Energetic disorder |
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