Highly efficient Forster resonance energy transfer between CdTe nanocrystals and Rhodamine B in mixed solid films

被引：38
|
作者：
Alphandéry, E [1 ]
Walsh, LM
Rakovich, Y
Bradley, AL
Donegan, JF
Gaponik, N
机构：
[1] Trinity Coll Dublin, Dept Phys, Semicond Photon Grp, Dublin 2, Ireland
[2] Univ Hamburg, Inst Chem Phys, D-20146 Hamburg, Germany
来源：
CHEMICAL PHYSICS LETTERS | 2004年 / 388卷 / 1-3期
关键词：
D O I：
10.1016/j.cplett.2004.02.080
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
We report evidence for highly efficient Forster resonance energy transfer between CdTe nanocrystals (donors) and Rhodamine B (acceptors) in mixed solid films. Enhancement of the acceptor photoluminescence intensity and a, decrease of the donor decay time are observed in the films containing nanocrystals mixed with Rhodamine B. For a wide range of films with a ratio between the amount of acceptors and the amount of donors of 0.2-5, an efficiency of energy transfer of more than 20% is estimated from time resolved measurements. (C) 2004 Elsevier B.V. All rights reserved.
引用
收藏
页码：100 / 104
页数：5
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