Issue 80, 2015
From the journal:

RSC Advances

PbSe nanocrystal solar cells using bandgap engineering

Xiaoyu Zhang,ac   Yu Zhang,*ab   Long Yan,a   Hua Wu,a   Wenzhu Gao,b   Jun Zhaocd  and  William W. Yu*acd  

* Corresponding authors

a State Key Laboratory on Integrated Optoelectronics, College of Electronic Science and Engineering, Jilin University, Changchun 130012, China
E-mail: yuzhang@jlu.edu.cn, wyu6000@gmail.com

b State Key Laboratory of Superhard Materials, College of Physics, Jilin University, Changchun 130012, China

c College of Material Science and Engineering, Qingdao University of Science and Technology, Qingdao 266042, China

d Department of Chemistry and Physics, Louisiana State University, Shreveport, LA 71115, USA

Abstract

Benefiting from the strong quantum confinement, PbSe nanocrystals allow their bandgap and absorption edge to be tuned to optimize the absorption of the solar radiation. Here, bandgap engineering-based photovoltaic devices were designed, fabricated, and characterized using two-size PbSe nanocrystals. The fabricated two size particle photovoltaic devices showed 12.8% higher power conversion efficiency compared to that of the single-particle devices, as a result of the enhanced photon absorption and the improved charge transfer.

Graphical abstract: PbSe nanocrystal solar cells using bandgap engineering

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Article information

DOI
https://doi.org/10.1039/C5RA10715F
Article type
Paper
Submitted
05 Jun 2015
Accepted
24 Jul 2015
First published
24 Jul 2015

RSC Adv., 2015,5, 65569-65574

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PbSe nanocrystal solar cells using bandgap engineering

X. Zhang, Y. Zhang, L. Yan, H. Wu, W. Gao, J. Zhao and W. W. Yu, RSC Adv., 2015, 5, 65569 DOI: 10.1039/C5RA10715F

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