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Keywords = ethlammonium

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Article
Photovoltaic Characteristics of CH3NH3PbI3 Perovskite Solar Cells Added with Ethylammonium Bromide and Formamidinium Iodide
by Kousuke Nishi, Takeo Oku, Taku Kishimoto, Naoki Ueoka and Atsushi Suzuki
Coatings 2020, 10(4), 410; https://doi.org/10.3390/coatings10040410 - 20 Apr 2020
Cited by 40 | Viewed by 5761
Abstract
Photovoltaic characteristics of solar cell devices in which ethylammonium (EA) and formamidinium (FA) were added to CH3NH3PbI3 perovskite photoactive layers were investigated. The thin films for the devices were deposited by an ordinary spin-coating technique in ambient air, [...] Read more.
Photovoltaic characteristics of solar cell devices in which ethylammonium (EA) and formamidinium (FA) were added to CH3NH3PbI3 perovskite photoactive layers were investigated. The thin films for the devices were deposited by an ordinary spin-coating technique in ambient air, and the X-ray diffraction analysis revealed changes of the lattice constants, crystallite sizes and crystal orientations. By adding FA and EA, surface defects of the perovskite layer decreased, and the photoelectric parameters were improved. In addition, the highly (100) crystal orientations and device stabilities were improved by the EA and FA addition. Full article
(This article belongs to the Special Issue Advanced Thin Film Materials for Photovoltaic Applications)
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