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Organic‐Based Layered Perovskites of Mixed‐Valent Gold( I )/Gold( III ) Iodides
Author(s) -
CastroCastro Laura M.,
Guloy Arnold M.
Publication year - 2003
Publication title -
angewandte chemie international edition
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 1433-7851
DOI - 10.1002/anie.200350929
Subject(s) - ion , chemistry , semiconductor , crystal structure , inorganic chemistry , materials science , nanotechnology , chemical engineering , mineralogy , crystallography , organic chemistry , optoelectronics , engineering
Chemistry with a golden touch : The first examples of organic‐based mixed‐valent Au I /Au III layered perovskites are reported (see picture). The crystal structures of the new hybrid compounds feature [AuI 2 ] − /[AuI 4 ] − layers pillared by I 3 − ions and appropriate organic dications. The measured optical band gaps of the new organic–inorganic semiconductors are smaller than the value for Cs 2 Au 2 I 6 .
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