Direct tuning of electrical properties in nano-structured Bi2Se0.3Te2.7 by reversible electrochemical lithium reactions |
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| Authors: | Chen Jikun Zhou Xiaoyuan Snyder G Jeffrey Uher Ctirad Chen Nuofu Wen Zhaoyin Jin Jun Dong Hongliang Qiu Pengfei Zhou Yanfei Shi Xun Chen Lidong |
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| Institution: | CAS Key laboratory of Materials for Energy Conversion, Shanghai Institute of Ceramics, Chinese Academy of Science, Shanghai 200050, China. |
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| Abstract: | Lithium intercalation and de-intercalation processes have been used to fabricate bulk Bi(2)Se(0.3)Te(2.7) with internal nanostructures. The doped Li content can be precisely controlled through this method. It provides a chance to directly optimize electrical properties when preparing nano-structured materials, leading to the optimum carrier concentration for improved thermoelectric figure of merit. |
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