Issue 35, 2018
From the journal:

RSC Advances

Low-temperature, simple and efficient preparation of perovskite solar cells using Lewis bases urea and thiourea as additives: stimulating large grain growth and providing a PCE up to 18.8%†

Cheng-Ming Hsieh,a   Yung-Sheng Liao,b   Yan-Ru Lin,b   Chih-Ping Chen, ORCID logo *b   Cheng-Min Tsai, ORCID logo a   Eric Wei-Guang Diaua  and  Shih-Ching Chuang ORCID logo *a  

* Corresponding authors

a Department of Applied Chemistry, National Chiao Tung University, Hsinchu, Taiwan
E-mail: jscchuang@faculty.nctu.edu.tw

b Department of Materials Engineering, Ming Chi University of Technology, New Taipei City, Taiwan
E-mail: cpchen@mail.mcut.edu.tw

Abstract

We demonstrated that two Lewis bases – urea and thiourea – acted as efficient additives for CH3NH3(MA)PbI3−xClx and MAPbI3 perovskite solar cells (PSCs) and observed a significant increase in PCE for the MAPbI3 devices in the presence of 1% urea with a remarkable PCE of 18.8% using an extremely low annealing temperature (85 °C).

Graphical abstract: Low-temperature, simple and efficient preparation of perovskite solar cells using Lewis bases urea and thiourea as additives: stimulating large grain growth and providing a PCE up to 18.8%

  • This article is part of the themed collection: Solar energy
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Article information

DOI
https://doi.org/10.1039/C8RA03175D
Article type
Paper
Submitted
13 apr 2018
Accepted
20 may 2018
First published
29 may 2018
This article is Open Access
Creative Commons BY-NC license

RSC Adv., 2018,8, 19610-19615

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Low-temperature, simple and efficient preparation of perovskite solar cells using Lewis bases urea and thiourea as additives: stimulating large grain growth and providing a PCE up to 18.8%

C. Hsieh, Y. Liao, Y. Lin, C. Chen, C. Tsai, E. Wei-Guang Diau and S. Chuang, RSC Adv., 2018, 8, 19610 DOI: 10.1039/C8RA03175D

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