Issue 71, 2015
From the journal:

RSC Advances

Enhanced efficiency of planar-heterojunction perovskite solar cells through a thermal gradient annealing process†

Bingbing Fan,ab   Dehua Peng,c   Shiwei Lin,c   Nü Wang,a   Yong Zhao*a  and  Yanming Sun*ab  

* Corresponding authors

a Key Laboratory of Bio-Inspired Smart Interfacial Science and Technology of Ministry of Education, Beijing Key Laboratory of Bio-inspired Energy Materials and Devices, School of Chemistry and Environment, Beihang University, Beijing 100191, P. R. China
E-mail: zhaoyong@buaa.edu.cn, sunym@buaa.edu.cn

b Heeger Beijing Research and Development Center, International Research Institute for Multidisciplinary Science, Beihang University, Beijing 100191, P. R. China

c Key Laboratory of Ministry of Education for Advanced Materials in Tropical Island Resources, College of Materials and Chemical Engineering, Hainan University, Haikou 570228, P. R. China

Abstract

An efficient gradient annealing approach is demonstrated to improve the surface morphology and coverage of perovskite films. Gradient annealed perovskite films exhibit more uniform and smooth surface with improved coverage compared to directly annealed films. The resulting perovskite solar cells show enhanced device performance with a high efficiency of 14%, indicating that the gradient annealing process is a useful way to improve the efficiency of perovskite solar cells.

Graphical abstract: Enhanced efficiency of planar-heterojunction perovskite solar cells through a thermal gradient annealing process

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Article information

DOI
https://doi.org/10.1039/C5RA09691J
Article type
Communication
Submitted
23 May 2015
Accepted
26 Jun 2015
First published
26 Jun 2015

RSC Adv., 2015,5, 58041-58045

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Enhanced efficiency of planar-heterojunction perovskite solar cells through a thermal gradient annealing process

B. Fan, D. Peng, S. Lin, N. Wang, Y. Zhao and Y. Sun, RSC Adv., 2015, 5, 58041 DOI: 10.1039/C5RA09691J

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