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Formation of Hybrid Perovskite Tin Iodide Single Crystals by Top‐Seeded Solution Growth
Author(s) -
Dang Yangyang,
Zhou Yian,
Liu Xiaolong,
Ju Dianxing,
Xia Shengqing,
Xia Haibing,
Tao Xutang
Publication year - 2016
Publication title -
angewandte chemie
Language(s) - English
Resource type - Journals
eISSN - 1521-3757
pISSN - 0044-8249
DOI - 10.1002/ange.201511792
Subject(s) - tin , sni , iodide , x ray photoelectron spectroscopy , materials science , chemistry , band gap , perovskite (structure) , inorganic chemistry , crystallography , chemical engineering , metallurgy , optoelectronics , organic chemistry , acid hydrolysis , hydrolysis , engineering
Hybrid perovskites have generated a great deal of interest because of their potential in photovoltaic applications. However, the toxicity of lead means that there is interest in finding a nontoxic substitute. Bulk single crystals of both cubic CH 3 NH 3 SnI 3 and CH(NH 2 ) 2 SnI 3 were obtained by using the top‐seeded solution growth method under an ambient atmosphere. Structural refinement, band gap, thermal properties, and XPS measurements of CH 3 NH 3 SnI 3 and CH(NH 2 ) 2 SnI 3 single crystals are also reported in detail. These results should pave the way for further applications of CH 3 NH 3 SnI 3 and CH(NH 2 ) 2 SnI 3 .