High‐Efficiency Perovskite Solar Cells Based on the Black Polymorph of HC(NH 2 ) 2 PbI 3 | Zendy

Lee JinWook | Zendy; Seol DongJin | Zendy; Cho AnNa | Zendy; Park NamGyu | Zendy

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High‐Efficiency Perovskite Solar Cells Based on the Black Polymorph of HC(NH 2 ) 2 PbI 3

Author(s) -

Lee JinWook,

Seol DongJin,

Cho AnNa,

Park NamGyu

Publication year - 2014

Publication title -

advanced materials

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 10.707

H-Index - 527

eISSN - 1521-4095

pISSN - 0935-9648

DOI - 10.1002/adma.201401137

Subject(s) - materials science , perovskite (structure) , energy conversion efficiency , iodide , solar cell , perovskite solar cell , hysteresis , phase transition , optoelectronics , crystallography , inorganic chemistry , condensed matter physics , chemistry , physics

Perovskite solar cells with power conversion efficiencies exceeding 16% at AM 1.5G one sun illumination are developed using the black polymorph of formamidnium lead iodide, HC(NH 2 ) 2 PbI 3 . Compared with CH 3 NH 3 PbI 3 , HC(NH 2 ) 2 PbI 3 extends its absoprtion to 840 nm and shows no phase transition between 296 and 423 K. Moreover, a solar cell based on HC(NH 2 ) 2 PbI 3 exhibits photostability and little I – V hysteresis.

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