Fabrication of ZnSe hexagonal prism with pyramid end through the chemical vapour deposition route

Fabrication of ZnSe hexagonal prism with pyramid end through the chemical vapour deposition route
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化学气相沉积法制备金字塔端 ZnSe 六角棱柱

DOI:
10.1039/c003631e
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发表时间:
2011
期刊:
影响因子:
3.1
通讯作者:
Zhiguo Cheng
Zhiguo Cheng
中科院分区:
化学3区
文献类型:
--
作者:
Shaozhen Wang;Jiahui You;Baoyou Geng;Zhiguo Cheng

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用一种简单的化学气相沉积方法成功地制备出了端部为金字塔形的ZnSe立方微结构的六角棱镜。所获得的ZnSe金字塔沿着晶轴生长,并具有尖锐的尖端。通过控制实验条件,可以得到两种不同的ZnSe结构。提出了产物的生长机理。ZnSe的立方结构和实验条件可能导致具有棱锥末端的六棱柱的生长。在室温下观察到稳定的465 nm的蓝色发射,在这种新型的形ZnSe材料,可以归因于立方相的带发射。
Hexagonal prisms with pyramid end of cubic ZnSe microstructures are successfully fabricated by a simple chemical vapour deposition method. The obtained ZnSe pyramids grow along the crystal axis and possess sharp tips. Two kinds of ZnSe structures can be obtained through controlling the experimental conditions. The growth mechanism of the product is proposed. The cubic structure of ZnSe and the experimental conditions may lead to the growth of the hexagonal prism with pyramid end. A stable blue emission of 465 nm at room temperature is observed in this novel pyramid-shaped ZnSe material and can be ascribed to the band emission of the cubic phase.
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