Mechanical exfoliation and Raman spectra of ultrathin PbI2 single crystal
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- 作者：Peihua Wangyang ; wangyph@cuit.edu.cn" class="auth_mail" title="E-mail the corresponding author ; Hui Sun ; Xinghua Zhu ; Dingyu Yang ; Xiuying Gao
- 关键词：PbI2 ; Nanocrystal materials ; Nanosheets ; Two-dimensional materials
- 刊名：Materials Letters
- 出版年：2016
- 出版时间：1 April 2016
- 年：2016
- 卷：168
- 期：Complete
- 页码：68-71
- 全文大小：1514 K
文摘
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The PbI2 single crystals were firstly prepared by mechanical exfoliation method.
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The PbI2 single crystal as thin as 10 nm verified by AFM was obtained.
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The XRD demonstrates that PbI2 has hexagonal crystalline pattern with a 2H type.
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Five Raman bands are observed in the 50–400 cm−1 region with the 532 nm laser.