The effect of KI on the formation of Tl_2E (E = S, Se) nanorods via solvothermal route

Youbao Ni; Mingwang Shao; Zhengcui Wu; Feng Gao; Xianwen Wei

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The effect of KI on the formation of Tl_2E (E = S, Se) nanorods via solvothermal route

机译：溶剂溶剂化对KI对Tl_2E（E = S，Se）纳米棒形成的影响

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Tl_2E (E = S or Se) nanorods were synthesized via solvothermal route with the addition of KI. The products were characterized with X-ray powder diffraction patterns and transmission electron microscope images. Their optical properties were studied by UV-vis transmittance and photoluminescence spectrum. The band gap of direct forbidden transitions was found larger than that of bulk materials, because of the blue shift caused by nanometer-scale crystalline particles due to quantum confinement effects. A possible growth mechanism is proposed.

机译：Tl_2E（E = S或Se）纳米棒是通过溶剂热途径加入KI合成的。用X射线粉末衍射图和透射电子显微镜图像表征产物。通过紫外可见透射率和光致发光光谱研究了它们的光学性质。发现直接禁态跃迁的带隙大于块状材料的带隙，这是由于量子限制效应导致的纳米级晶体颗粒引起的蓝移。提出了一种可能的增长机制。

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来源
《Solid State Communications》 |2004年第5期|p.297-300|共4页
作者
Youbao Ni; Mingwang Shao; Zhengcui Wu; Feng Gao; Xianwen Wei;
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作者单位

College of Chemistry and Materials Science, Anhui Normal University, Anhui Province, Wuhu 241000, China;

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正文语种 eng
中图分类固体物理学;
关键词
A. nanostructures; B. crystal growth;

机译：A.纳米结构;B。晶体生长;

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机译：表面活性剂辅助通过溶剂热途径形成Eu2O3纳米棒
3. Selective synthesis of wurtzite CdSe nanorods and zinc blend CdSe nanocrystals through a convenient solvothermal route [J] . Yong Liu, Hua-Yu Qiu, Yao Xu Journal of nanoparticle research: An interdisciplinary forum for nanoscale science and technology . 2007,第5期

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4. Facile solvothermal route to synthesize indium tin oxide nano-plates, nanoparticles and nanorods [C] . Yajuan Cheng, Xuechen Duan, Yanglin Liu, International Conference on Advanced Engineering Materials and Technology . 2011

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5. Structural and morphological investigations on the formation of Cu(In,Ga)Se2 by solvothermal, sonochemistry and sputter deposition methods. [D] . Yassitepe, Emre. 2012

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The effect of KI on the formation of Tl_2E (E = S, Se) nanorods via solvothermal route

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