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2016 ; 6
(10
): ä Nephropedia Template TP
gab.com Text
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English Wikipedia
A Study of Inverted-Type Perovskite Solar Cells with Various Composition Ratios
of (FAPbI?)(1-x)(MAPbBr?)(x)
#MMPMID28335311
Chen LC
; Tseng ZL
; Huang JK
Nanomaterials (Basel)
2016[Oct]; 6
(10
): ä PMID28335311
show ga
This work presents mixed (FAPbI?)(1-x)(MAPbBr?)(x) perovskite films with various
composition ratios, x (x = 0-1), which are formed using the spin coating method.
The structural, optical, and electronic behaviors of the mixed
(FAPbI?)(1-x)(MAPbBr?)(x) perovskite films are discussed. A device with structure
glass/indium tin oxide (ITO)/poly(3,4-ethylenedioxythiophene) polystyrene
sulfonate (PEDOT:PSS)/mixed perovskite/C(60)/BCP/Ag was fabricated. The mixed
perovskite film was an active light-harvesting layer. PEDOT: PSS was a hole
transporting layer between the ITO and perovskite. Both C(60) and bathocuproine
(BCP) were electron transporting layers. MAPbBr? was added to FAPbI? with a
composition ratio of x = 0.2, stabilizing the perovskite phase, which exhibited a
uniform and dense morphology. The optimal device exhibited band matching with
C(60), resulting in a low series resistance (R(sh)) and a high fill factor (FF).
Therefore, the device with composition (FAPbI?)(1-x)(MAPbBr?)(x) and x = 0.2
exhibited outstanding performance.