Issue 4, 2014
From the journal:

Nanoscale

Upconversion induced enhancement of dye sensitized solar cells based on core–shell structured β-NaYF4:Er3+, Yb3+@SiO2 nanoparticles†

Ziyao Zhou,a   Jiahong Wang,a   Fan Nan,a   Chenghao Bu,a   Zhenhua Yu,a   Wei Liu,a   Shishang Guo,*a   Hao Hu*a  and  Xing-Zhong Zhao*a  

* Corresponding authors

a School of Physics and Technology, Key Laboratory of Artificial Micro/Nano Structures of Ministry of Education, Wuhan University, Wuhan 430072, P. R. China
E-mail: xzzhao@whu.edu.cn, haohu@whu.edu.cn, gssyhx@whu.edu.cn
Fax: +86-27-6875-2569
Tel: +86-27-8764-2784

Abstract

Upconversion materials have been employed as energy relay materials in dye sensitized solar cells (DSCs) to broaden the range of light absorption. However, the origin of the enhancements can be induced by both upconversion and size-dependent light scattering effects. To clarify the role of the upconversion material in the photoelectrode of DSCs, an upconversion induced device was realized here, which has the size-dependent light scattering effect eliminated via the application of NaYF4:Er3+, Yb3+@SiO2 upconversion nanoparticles (β-NYEY@SiO2 UCNPs). An enhancement of 6% in efficiency was observed for the device. This demonstration provided an insight into the possible further employment of upconversion in DSCs.

Graphical abstract: Upconversion induced enhancement of dye sensitized solar cells based on core–shell structured β-NaYF4:Er3+, Yb3+@SiO2 nanoparticles

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Article information

DOI
https://doi.org/10.1039/C3NR04315K
Article type
Communication
Submitted
14 Aug 2013
Accepted
15 Nov 2013
First published
20 Nov 2013

Nanoscale, 2014,6, 2052-2055

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Upconversion induced enhancement of dye sensitized solar cells based on core–shell structured β-NaYF4:Er3+, Yb3+@SiO2 nanoparticles

Z. Zhou, J. Wang, F. Nan, C. Bu, Z. Yu, W. Liu, S. Guo, H. Hu and X. Zhao, Nanoscale, 2014, 6, 2052 DOI: 10.1039/C3NR04315K

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