共 50 条
Energy Transfer in Hybrid Organic/Inorganic Semiconductor Nanostructures
被引:1
|作者:
Savateeva, Diana
[1
]
Melnikau, Dzmitry
[2
]
Rakovich, Yury P.
[1
,3
]
机构:
[1] CSIC UPV EHU, Mat Phys Ctr CFM, San Sebastian 20018, Spain
[2] CIC NanoGUNE Consolider, San Sebastian 20018, Spain
[3] Basque Fdn Sci, IKERBASQUE, Bilbao 48011, Spain
关键词:
Quantum Dots;
Nanocrystals;
J-Aggregates;
Resonance Energy Transfer;
CDTE;
NANOCRYSTALS;
ABSORPTION;
CDSE;
D O I:
10.1166/jno.2012.1309
中图分类号:
TM [电工技术];
TN [电子技术、通信技术];
学科分类号:
0808 ;
0809 ;
摘要:
We report on direct formation of J-aggregates in cyanine dye solution by injection of colloidal CdTe quantum dots. The optical properties of formed J-aggregates have been investigated by absorption and photoluminescence spectroscopy and fluorescence lifetime imaging microscopy. Quantum dots/J-aggregate system shows the enhanced absorption in visible and ultraviolet parts of the spectrum typical of quantum dots, along with the narrow emission linewidth and fast recombination rate characteristic of the J-band emitters. Our studies suggest electrostatic association between the J-aggregates and quantum dots, followed by highly efficient energy transfer.
引用
收藏
页码:297 / 301
页数:5
相关论文