Synthesis and characterization of micrometer-sized polycrystalline CdS nanosheets

Jianwei Zhao; Changhui Ye; Xiaosheng Fang; Peng Yan; Lide Zhang

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Synthesis and characterization of micrometer-sized polycrystalline CdS nanosheets

机译：微米级多晶CdS纳米片的合成与表征

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A simple two-step method is reported to fabricate micrometer-sized polycrystalline CdS nanosheets on large-scale. Metal Cd nanosheets were first grown via a thermal decomposition of CdS powder and then polycrystalline CdS nanosheets were obtained by subsequent sulfuration. Investigation results demonstrate that the polycrystalline CdS nanosheets have dimensions of several tens of microns and an average thickness of about 80 nm with hexagonal phase structure. TEM image reveals that the nanosheet is composed of many randomly oriented polycrystalline grains. Temperature and gas flow are supposed as the determining factor for the formation of polycrystalline structure.

机译：据报道，一种简单的两步法可大规模制备微米级的多晶CdS纳米片。首先通过CdS粉末的热分解来生长金属Cd纳米片，然后通过随后的硫化获得多晶CdS纳米片。研究结果表明，多晶CdS纳米片的尺寸为几十微米，平均厚度约为80 nm，具有六方相结构。 TEM图像显示纳米片由许多随机取向的多晶晶粒组成。温度和气体流量被认为是形成多晶结构的决定因素。

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来源
《Materials Chemistry and Physics》 |2006年第3期|p.206-209|共4页
作者
Jianwei Zhao; Changhui Ye; Xiaosheng Fang; Peng Yan; Lide Zhang;
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作者单位

Key Laboratory of Materials Physics, Institute of Solid State Physics, Chinese Academy of Sciences, Hefei 230031, PR China;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
原文格式 PDF
正文语种 eng
中图分类工程材料学;工程基础科学;
关键词
nanostructures; semiconductor materials; chemical vapor deposition process; polycrystal;

机译：纳米结构;半导体材料;化学气相沉积工艺;多晶;

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Synthesis and characterization of micrometer-sized polycrystalline CdS nanosheets

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