Quantum Dots Acting as Energy Acceptors with Organic Dyes as Donors in Solution

Hu Xu; Xiaomei Huang; Wenjin Zhang; Guanjiao Chen; Weihong Zhu; Xinhua Zhong

doi:10.1002/cphc.201000287

journal article Sep 24, 2010

Quantum Dots Acting as Energy Acceptors with Organic Dyes as Donors in Solution

Hu Xu

Xiaomei Huang

Wenjin Zhang

Guanjiao Chen Weihong Zhu Xinhua Zhong

ChemPhysChem Vol. 11 No. 14 pp. 3167-3171 · Wiley

View at Publisher Save 10.1002/cphc.201000287

Abstract

AbstractQuantum dots (QDs) usually act as energy donors in Förster resonant energy transfer (FRET) in various application fields. We report, for the first time, a FRET process from a conventional naphthalimide chromophore 1 to CdSe/ZnS core/shell QDs (acting as energy acceptors) in (1)–QDs hybrid system in solution. This FRET process is supported by various spectroscopies, such as steady‐state and time‐resolved photoluminescence (PL) as well as PL excitation spectra. The highest energy transfer efficiency is estimated to be about 0.37. Interestingly, the role of QDs in FRET can be specifically reversed (from energy acceptors to energy donors) with the use of QDs with larger band‐gaps.

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Details

Published: Sep 24, 2010
Vol/Issue: 11(14)
Pages: 3167-3171
License: View

Authors

H

Hu Xu

School of Microelectronic Fudan University Shanghai 200433 P. R. China

Georgetown University, Biochemistry

Key Laboratory for Biobased Materials and Energy of Ministry of Education; College of Materials and Energy; South China Agricultural University; Guangzhou 510642; China

Cite This Article

Hu Xu, Xiaomei Huang, Wenjin Zhang, et al. (2010). Quantum Dots Acting as Energy Acceptors with Organic Dyes as Donors in Solution. ChemPhysChem, 11(14), 3167-3171. https://doi.org/10.1002/cphc.201000287

Quantum Dots Acting as Energy Acceptors with Organic Dyes as Donors in Solution

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