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Volume 26 - ICOP & ICPET 2020
ICOP & ICPET _ INPC _ ICOFS 2020, 26 - ICOP & ICPET 2020: 101-104 |
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Nahani A, Bazireh S, Yazdani E. Optical response of CH3NH3PbBr3 perovskite thin films to the variations of procures stoichiometry. ICOP & ICPET _ INPC _ ICOFS 2020; 26 :101-104
URL: http://opsi.ir/article-1-1988-en.html
URL: http://opsi.ir/article-1-1988-en.html
1- Department of physics, Tarbiat Modares University, Tehran-Iran
Abstract: (1505 Views)
In addition to the successful use of organic-inorganic hybrid perovskite materials in photovoltaics, these materials have been shown significant role in perovskite based light emitting diodes development. In this work, the effect of the variation precursor stoichiometry of CH3NH3PbBr3 perovskite on structure, morphology and optical response of thin films by using of ، XRD، UV-Vis، PL and TRPL characteristic techniques has been studied. The results revealed that, the crystallinity and morphology of perovskite thin films for precursor’s ratio of 1/25:1 compare to the case of 1:1 is improved and the radiative recombination rate of the carrier and photoluminescence intensity is increased.
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