Enhanced Grain Size and Crystallinity in CH3NH3PbI3 Perovskite Films by Metal Additives to the Single-Step Solution Fabrication Process

Zahrah S. Almutawah1, Suneth C. Watthage1, Zhaoning Song1, Ramez Hosseinian Ahangharnejhad1, Kamala Khanal Subedi1, Niraj Shrestha1, Adam B. Phillips1, Yanfa Yan1, Randy J. Ellingson1, Michael J. Heben1
1Wright Center for Photovoltaics Innovation and Commercialization, School for Solar and Advanced Renewable Energy, Department of Physics and Astronomy, University of Toledo, Toledo, USA

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