Solution-Grown Monocrystalline Hybrid Perovskite Films for Hole-Transporter-Free Solar Cells
Journal article published in 2016 by
Wei Peng,
Lingfei Wang 
,
Banavoth Murali,
Kang-Ting Ho,
Ashok Bera,
Namchul Cho,
Chen-Fang Kang,
Victor M. Burlakov,
Jun Pan,
Lutfan Sinatra,
Chun,
Chun Ma,
Wei Xu,
Dong Shi,
Erkki Alarousu
and other authors.
,
Banavoth Murali,
Kang-Ting Ho,
Ashok Bera,
Namchul Cho,
Chen-Fang Kang,
Victor M. Burlakov,
Jun Pan,
Lutfan Sinatra,
Chun,
Chun Ma,
Wei Xu,
Dong Shi,
Erkki Alarousu
and other authors.
This paper is made freely available by the publisher.
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Abstract
High-quality perovskite monocrystalline films are successfully grown through cavitation-triggered asymmetric crystallization. These films enable a simple cell structure, ITO/CH3NH3PbBr3/Au, with near 100% internal quantum efficiency, promising power conversion efficiencies (PCEs) >5%, and superior stability for prototype cells. Furthermore, the monocrystalline devices using a hole-transporter-free structure yield PCEs ≈6.5%, the highest among other similar-structured CH3NH3PbBr3 solar cells to date.