Fabrication and Characterization of TiO2/CH3NH3PbI3-based Photovoltaic Devices

TiO2/CH3NH3PbI3-based photovoltaic devices were fabricated by a spin-coating method using a mixture solution. Photovoltaic properties of the solar cells were investigated by optical absorption, current density–voltage characteristics, and incident photon to current conversion efficiency. Effects of...

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Veröffentlicht in:	Chemistry letters 2014-06, Vol.43 (6), p.916-918
Hauptverfasser:	Zushi, Masahito, Suzuki, Atsushi, Akiyama, Tsuyoshi, Oku, Takeo
Format:	Artikel
Sprache:	eng
Schlagworte:	Atomic force microscopy Atomic structure Conversion Devices Lead (metal) Perovskite Solar Cells Photovoltaic cells Solar cells Titanium dioxide
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Zusammenfassung:	TiO2/CH3NH3PbI3-based photovoltaic devices were fabricated by a spin-coating method using a mixture solution. Photovoltaic properties of the solar cells were investigated by optical absorption, current density–voltage characteristics, and incident photon to current conversion efficiency. Effects of TiO2 addition and hole-transport layers were also investigated. Microstructures of the cells were investigated by transmission electron microscopy, which indicated a nanoparticle structure of TiO2, and atomic arrangements of Pb atoms in the CH3NH3PbI3 crystal were also directly observed.
ISSN:	0366-7022 1348-0715
DOI:	10.1246/cl.140127