Issue 8, 2011
From the journal:

Nanoscale

Surface plasmon enhanced energy transfer in metal–semiconductor hybrid nanostructures†

Xinhong Zhao,a   Peng Wanga  and  Baojun Li*a  

* Corresponding authors

a State Key Laboratory of Optoelectronic Materials and Technologies, School of Physics and Engineering, Sun Yat-Sen University, Guangzhou, China
E-mail: stslbj@mail.sysu.edu.cn

Abstract

We report a type of hybrid nanostructures composed of ZnO nanoparticles, CdSe/ZnS core/shell quantum dots (QDs), and Ag nanoprisms. With ultraviolet light illumination, the energy absorbed by ZnO nanoparticles was transferred to the CdSe/ZnS core/shell QDs inducing a photoluminescence (PL) emission. To enhance the PL emission, Ag nanoprisms were doped in the ZnO nanoparticles and the QDs. Enhanced energy transfer from the ZnO nanoparticles to the QDs via the surface plasmon effect of the Ag nanoprisms was also demonstrated. The PL emission dependence was investigated as a function of the doped Ag nanoprism concentration and a 7.4 times PL enhancement was obtained at an Ag nanoprism concentration of 5 × 10−8 M.

Graphical abstract: Surface plasmon enhanced energy transfer in metal–semiconductor hybrid nanostructures

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Article information

DOI
https://doi.org/10.1039/C1NR10367A
Article type
Communication
Submitted
13 Apr 2011
Accepted
16 May 2011
First published
24 Jun 2011

Nanoscale, 2011,3, 3056-3059

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Surface plasmon enhanced energy transfer in metal–semiconductor hybrid nanostructures

X. Zhao, P. Wang and B. Li, Nanoscale, 2011, 3, 3056 DOI: 10.1039/C1NR10367A

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