Hyperbranched CdTe nanostructures via a self-assembly route: optical properties

被引:1
|
作者
Pan, Ling-Yun [1 ,2 ]
Pan, Gen-cai [1 ,2 ]
Che, Xiao-lei [1 ]
Wang, Li [3 ]
Tamai, Naoto [3 ]
Dai, Zhen-wen [1 ]
机构
[1] Jilin Univ, Coll Phys, Changchun 130012, Peoples R China
[2] Jilin Univ, State Key Lab Integrated Optoelect, Coll Elect Sci & Engn, Changchun 130012, Peoples R China
[3] Kwansei Gakuin Univ, Sch Sci & Technol, Dept Chem, Sanda, Hyogo 6691337, Japan
基金
中国国家自然科学基金; 中国博士后科学基金;
关键词
SEMICONDUCTOR NANOCRYSTALS; SOLAR-CELLS; QUANTUM DOTS; NANOPARTICLES; NANOWIRES; POLYMER; TRANSFORMATION; MESOCRYSTALS; ORGANIZATION; WIRES;
D O I
10.1364/AO.50.000G31
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
In this work, we report a luminescent nanobundle structure formed by a hierarchical self-assembly process of thioglycolic acid (TGA)-capped CdTe quantum dots (QDs). The luminescence intensity of CdTe nanostructures is high enough to get a clear one-photon excitation confocal image. High contrast two-photon excitation confocal images suggest that the nonlinear properties of pristine QDs are well inherited by the formed CdTe nanostructures. The controllability of the structures and inheritance of the optical properties of the building units make the self-assembled nanostructures new generation materials. (C) 2011 Optical Society of America
引用
收藏
页码:G31 / G36
页数:6
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