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The optoelectronic properties of perovskite films are closely related to their quality. Herein, we report the doping of guanidinium iodide (C(NH2)3I) organic into CH3NH3PbI3 perovskite thin films and reveal the enhancement of both morphology and structure of the perovskite films by doping with C(NH2)3I in the range of 0 to 25%. Nuclear magnetic resonance is utilized to determine the molecular structure...
The sol of silane and WO 3 was prepared from tetraethyl orthosilicate (TEOS) and methacryloxy-propyl-trimethoxy silane (KH570) with a novel route as described in previous work, and the aqueous WO 3 solution was prepared from ammonium tungstate. These two sols were mixed by stirring for about 1 hour with a certain ratio. Through sol–gel method, the transparent hybrids coating of organic...
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