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, Yung Sheng Liao, Yan Ru Lin, Chih Ping Chen*, Cheng Min Tsai, Wei-Guang Diau, Shih-Ching Chuang

*Corresponding author for this work

Research output: Contribution to journalArticle

18 Scopus citations

Abstract

We demonstrated that two Lewis bases-urea and thiourea-acted as efficient additives for CH 3 NH 3 (MA)PbI 3-x Cl x and MAPbI 3 perovskite solar cells (PSCs) and observed a significant increase in PCE for the MAPbI 3 devices in the presence of 1% urea with a remarkable PCE of 18.8% using an extremely low annealing temperature (85 °C).

Original languageEnglish
Pages (from-to)19610-19615
Number of pages6
JournalRSC Advances
Volume8
Issue number35
DOIs
StatePublished - 1 Jan 2018

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