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Volume 25 - ICOP & ICPET 2019
ICOP & ICPET _ INPC _ ICOFS 2019, 25 - ICOP & ICPET 2019: 497-500 |
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Fathzadeh A, Abdollahi nezhand B, Moravvej farshi M K. Bandgap Engineering of Perovskite via Vapor-Assisted Solution Process (VASP). ICOP & ICPET _ INPC _ ICOFS 2019; 25 :497-500
URL: http://opsi.ir/article-1-1833-en.html
URL: http://opsi.ir/article-1-1833-en.html
1- Faculty of ECE, Nano Plasmo-Photonic Research Group, Tarbiat Modares University, Tehran, Iran.
Abstract: (1605 Views)
Using the Vapor-Assisted Solution Process (VASP), we investigate the effect of the bromine and iodine halogen organic compounds on the perovskite bandgap. For the bandgap engineering, layers of PbBrxI2−x (x=0, 1, 2), deposited on Meso substrates, are exposed to the MABr vapor and optimize the time and temperature for this process. Presence of MABr vapor increases the time required for the formation of the perovskite layer, with larger grans and more uniform surface. Moreover, as compared the ordinary two-step spin coating, VASP has the capability of synthesizing perovskite layers in large-scales with lower costs. Hence, VASP can overcome an obstacle that mass production of perovskite solar cells is facing.
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