Characterization of commercial thermoelectric organic composite thin films
Characterization of commercial thermoelectric organic composite thin films
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商用热电有机复合薄膜的表征
DOI：
10.1007/s10853-019-03596-4
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发表时间：
2019-04
影响因子：
4.5
通讯作者：
Fan Ping
中科院分区：
文献类型：
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作者：
Li Fu;Luo Jing ting;Zheng Zhuang hao;Liang Guang xing;Zhong Ai hua;Chen Yue xing;Fan Ping
A series traditional thermoelectric films, including n-type Bi, Bi2Te3, and p-type Sb, Sb2Te3, were synthesized with CH3NH3I by combining magnetron sputtering and thermal evaporation method. It is found that the Seebeck coefficients for all the composite films have enhanced although the electrical conductivities reduced due to the decreased carrier concentration. This leads to an obvious improvement of the power factor, especially for p-type Sb2Te3-based organic–inorganic hybrid films. As expected, a maximum power factor value around 2.3 mWm−1K−2has been achieved for the composition of Sb2Te3/CH3NH3I in range of the whole measured temperature, which is nearly seven times higher than that of pristine Sb2Te3film. By combination with the reduced thermal conductivity, aZTvalue nearly 1.0 has been obtained at 380 K for the composition of Sb2Te3/CH3NH3I.
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