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石墨烯-硒化銀納米復合材料的制備、表征及光學性能研究
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One-Step Synthesis, Characterization and Optical Property of Graphene-Silver Selenide Nanocomposites
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National High Technical Research and Development Program of China (863 program) (2009AA03Z319); Liaoning Province Doctor Startup Fund (20101010); the Fundamental Research Funds for the Central University (DUT12LK04)

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    摘要:

    運用簡單的一步反應水熱法制備了石墨烯-硒化銀(G-Ag2Se)納米復合材料。用X射線粉末衍射 (XRD)、傅里葉變換紅外光譜(FTIR) 和透射電子顯微鏡 (TEM) 等手段對所得產(chǎn)物進行了系統(tǒng)的表征。結(jié)果表明,反應體系中,硒化銀納米粒子的形成與氧化石墨烯的還原同時進行。石墨烯氧化物被充分地還原為石墨烯,并且Ag2Se納米粒子均勻地分布在石墨烯的片層上,形成納米復合材料。對所制備的G-Ag2Se納米復合材料的光學性質(zhì)也進行了研究。

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    We report a facile and efficient strategy for the preparation of graphene-Ag2Se nanocomposites. The reduction of graphene oxide (GO) to graphene was accompanied by the formation of Ag2Se particles on the surface of graphene nanosheets. The results of X-ray diffraction (XRD) and Fourier transform infrared (FTIR) confirmed the efficient reduction of GO. Transmission electron microscopy (TEM) images of the sample revealed the morphology of the architecture of graphene-Ag2Se hybrid. Photoluminescence (PL) measurement was further employed to study the optical properties of the nanocomposites. The results show that the graphene-Ag2Se nanocomposites can be prepared by a simple hydrothermal method, and Ag2Se particles are well distributed on the graphene nanosheets.

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陳廣義,王德瑾,梁 策,魏志勇,張萬喜,梁繼才,王道明.石墨烯-硒化銀納米復合材料的制備、表征及光學性能研究[J].稀有金屬材料與工程,2012,41(7):1153~1155.[Chen Guangyi, Wang Dejin, Liang Ce, Wei Zhiyong, Zhang Wanxi, Liang Jicai, Wang Daoming. One-Step Synthesis, Characterization and Optical Property of Graphene-Silver Selenide Nanocomposites[J]. Rare Metal Materials and Engineering,2012,41(7):1153~1155.]
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  • 收稿日期:2011-11-11
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