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期刊论文

From ZnS nanobelts to ZnO/ZnS heterostructures: Microscopy analysis and their tunable optical property

王荣明Wei Liu Rongming Wanga and Ning Wanga

APPLIED PHYSICS LETTERS 97, 041916 (2010),-0001,():

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摘要/描述

Ultrathin ZnS nanobelts were assembled by ultrasmall nanocrystals with oriented self assembly, which were then transformed into their single-crystal counterparts by thermal treatment in N2. ZnO/ZnS heterostructures were also obtained at elevated temperature in open air, where well aligned ZnO nanocones were grown along the ZnS nanobelts with a definite rientation relationship described as 0001 ZnS 0001 ZnO and 101¯0 ZnS 101¯0 ZnO. Mixed transition and tuned band gaps of the heterostructure were experimentally observed, which was in good agreement with the theoretical predications and can be interpreted based on the model of a strained staggered type-II band structure. © 2010 American Institute of Physics.

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版权说明:以下全部内容由王荣明上传于   2011年03月11日 09时20分34秒,版权归本人所有。

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