Resonant energy transfer within a colloidal nanocrystal polymer host system

被引：25

作者：

Kaufmann, Stefan

Stoeferle, Thilo

Moll, Nikolaj

Mahrt, Rainer F.

Scherf, Ulli

Tsami, Argiri

Talapin, Dmitri V.

Murray, Christopher B.

机构：

[1] IBM Res, Zurich Res Lab, CH-8803 Ruschlikon, Switzerland

[2] ETH, Quantum Opt Grp, CH-8093 Zurich, Switzerland

[3] Berg Univ Wuppertal, Fachbereich C, Fachgebiet Makromol Chem, D-42119 Wuppertal, Germany

[4] IBM Res, TJ Watson Res Ctr, Yorktown Hts, NY 10598 USA

来源：

APPLIED PHYSICS LETTERS | 2007年 / 90卷 / 07期

关键词：

D O I：

10.1063/1.2645592

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

The authors report on resonant energy transfer of nonequilibrium excitons in an amorphous polyfluorene donor CdSe/ZnS core-shell nanocrystal acceptor system. By time-resolved photoluminescence (PL) spectroscopy, they have investigated the PL decay behavior of the primarily excited polyfluorene in dependence of the concentration of the nanocrystals. The authors are able to demonstrate that the finite rise time of the PL transient monitored at the spectral position of the acceptor PL directly reflects the PL decay of the donor. (c) 2007 American Institute of Physics.

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页数：3

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