Photo-electrochemical characterization of CH3NH3PbI3 Perovskite deposited on ZnO and TiO2 mesoporous structures during its dynamic restoration
作者： Fatemeh Rahimi , Jon Bebeau , Obaida Matar , Arash Takshi
DOI: 10.1007/S10800-017-1044-7
关键词:
摘要: Methylammonium lead iodide, CH3NH3PbI3, perovskite solar cells are the subject of substantial research due to their high efficiency and inexpensive fabrication. The implementation liquid electrolyte offers fast charge transport in device. However, hygroscopic nature methylammonium iodide poses a challenge contact with it. Here, we presented electrochemical characterization results perovskite-based three-probe device novel electrolyte. This contained (MAI) addition ionic carriers (lithium perchlorate) isopropanol. MAI restored degraded part material dynamically. X-ray diffraction analysis confirmed constructive effect this on morphology crystalline structure. performance deposited two different mesoscopic structures, ZnO TiO2, as active electrode was compared. coated TiO2 demonstrated superior photovoltaic properties (i.e., higher photocurrent photovoltage) compared back contact. A detail impedance spectroscopy study both samples, dark light, suggested faster for consistency also indicated stability material. Results from encourage making electron collector MAI-based
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