From ZnS nanobelts to ZnO/ZnS heterostructures: Microscopy analysis and their tunable optical property
APPLIED PHYSICS LETTERS 97, 041916 (2010)，-0001，（）：
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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