Acid Additives Enhancing the Conductivity of Spiro‐OMeTAD Toward High‐Efficiency and Hysteresis‐Less Planar Perovskite Solar Cells | Zendy

Li Zhen | Zendy; Tinkham Jonathan | Zendy; Schulz Philip | Zendy; Yang Mengjin | Zendy; Kim Dong Hoe | Zendy; Berry Joseph | Zendy; Sellinger Alan | Zendy; Zhu Kai | Zendy

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Acid Additives Enhancing the Conductivity of Spiro‐OMeTAD Toward High‐Efficiency and Hysteresis‐Less Planar Perovskite Solar Cells

Author(s) -

Li Zhen,

Tinkham Jonathan,

Schulz Philip,

Yang Mengjin,

Kim Dong Hoe,

Berry Joseph,

Sellinger Alan,

Zhu Kai

Publication year - 2017

Publication title -

advanced energy materials

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 10.08

H-Index - 220

eISSN - 1614-6840

pISSN - 1614-6832

DOI - 10.1002/aenm.201601451

Subject(s) - materials science , perovskite (structure) , planar , hysteresis , conductivity , doping , range (aeronautics) , open circuit voltage , chemical engineering , perovskite solar cell , voltage , optoelectronics , energy conversion efficiency , composite material , condensed matter physics , chemistry , electrical engineering , computer science , physics , computer graphics (images) , engineering

A general doping strategy, using a wide range of acids with different p K a values as additive , is demonstrated to enhance the conductivity of spiro‐OMeTAD, the dominant hole transport material in perovskite solar cells (PSCs). Hysteresis‐less planar PSCs with ≈19% efficiency and better open‐circuit voltage and fill factor is achieved with acid doped spiro‐OMeTAD.

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