Solution-Grown Monocrystalline Hybrid Perovskite Films for Hole-Transporter-Free Solar Cells

Solution-Grown Monocrystalline Hybrid Perovskite Films for Hole-Transporter-Free Solar Cells

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 superio...

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Veröffentlicht in:Advanced materials (Weinheim) 2016-05, Vol.28 (17), p.3383-3390
Hauptverfasser: Peng, Wei, Wang, Lingfei, Murali, Banavoth, Ho, Kang-Ting, Bera, Ashok, Cho, Namchul, Kang, Chen-Fang, Burlakov, Victor M., Pan, Jun, Sinatra, Lutfan, Ma, Chun, Xu, Wei, Shi, Dong, Alarousu, Erkki, Goriely, Alain, He, Jr-Hau, Mohammed, Omar F., Wu, Tom, Bakr, Osman M.
Format: Artikel
Sprache:eng
Schlagworte:
Asymmetry
Cavitation
CH3NH3PbBr3
Crystallization
Devices
Energy conversion efficiency
hole-transporter-free solar cells
hybrid perovskites
Perovskites
Photovoltaic cells
single crystals
Solar cells
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Zusammenfassung: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.
ISSN:0935-9648
1521-4095
DOI:10.1002/adma.201506292