Controlled growth of bismuth antimony telluride BixSb2鈭?span style='font-style: italic'>xTe3 nanoplatelets and their bulk thermoelectric nanocomposites
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- 作者：Chaohua ZhangaAuthor Vitae ; Zeping Penga ; b ; zppeng@swu.edu.cn" class="auth_mail" title="E-mail the corresponding authorAuthor Vitae ; Zhong LicAuthor Vitae ; Ligen Yuc ; dAuthor Vitae ; Khiam Aik KhorcAuthor Vitae ; Qihua Xionga ; qihua@ntu.edu.sg" class="auth_mail" title="E-mail the corresponding authorAuthor Vitae
- 关键词：Thermoelectricity ; BixSb2&minus ; xTe3 ; Nanoplatelets ; Nanostructured composites ; Raman ; Solvothermal synthesis
- 刊名：Nano Energy
- 出版年：2015
- 出版时间：July 2015
- 年：2015
- 卷：15
- 期：Complete
- 页码：688-696
- 全文大小：1698 K
文摘
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Ternary p-type BixSb2−xTe3 nanoplatelets are synthesized by a solvothermal method, using l-cysteine as reducing and stabilizing agent, which prevents phase segregation problem leading to homogenous composition.
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BixSb2−xTe3 carrier concentration is systemically tuned. The crystalline phase and composition is investigated by X-ray diffraction and Raman spectroscopy.
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Bulk nanocomposites are formed by spark plasma sintering and the thermoelectric figure or merit of BixSb2−xTe3 is optimized ~0.51.