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

页码：100 / 104

页数：5

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