Engineering Fluorescence in Au-Tipped, CdSe-Seeded CdS Nanoheterostructures

被引:23
作者
Chakrabortty, Sabyasachi [1 ]
Xing, Guichuan [2 ]
Xu, Yang [1 ]
Ngiam, Song Wee [2 ]
Mishra, Nimai [1 ]
Sum, Tze Chien [2 ]
Chan, Yinthai [1 ,3 ]
机构
[1] Natl Univ Singapore, Dept Chem, Singapore 117543, Singapore
[2] Nanyang Technol Univ, Div Phys & Appl Phys, Sch Phys & Math Sci, Singapore 637371, Singapore
[3] ASTAR, Inst Mat Res & Engn, Singapore 117602, Singapore
关键词
NANORODS; GROWTH; NANOCRYSTALS; NANOSTRUCTURES; PHOTOLUMINESCENCE; NANOPARTICLES; SPECTROSCOPY; DEPOSITION; METALS; RODS;
D O I
10.1002/smll.201100976
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Matchsticklike, Au-decorated, CdSe-seeded CdS nanorods are demonstrated as being able to retain a significant amount of their original fluorescence properties, exhibiting quantum yields of up to 23%. A proof-of-concept type application of these fluorescent metal-tipped semiconductor nanorods is given, exploiting the different chemical affinities of the metal and semiconductor moieties to facilitate directed assembly on a chemically patterned surface. Copyright © 2011 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
引用
收藏
页码:2847 / 2852
页数:6
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