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.jpg): Failed to open stream: No such file or directory in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 117 Adv+Sci+(Weinh)
2018 ; 5
(4
): 1700811
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English Wikipedia
Nonspiro, Fluorene-Based, Amorphous Hole Transporting Materials for Efficient and
Stable Perovskite Solar Cells
#MMPMID29721427
Da?kevi?i? T? ?
; Sakai N
; Franckevi?ius M
; Da?kevi?ien? M
; Magomedov A
; Jankauskas V
; Snaith HJ
; Getautis V
Adv Sci (Weinh)
2018[Apr]; 5
(4
): 1700811
PMID29721427
show ga
Novel nonspiro, fluorene-based, small-molecule hole transporting materials (HTMs)
V1050 and V1061 are designed and synthesized using a facile three-step synthetic
route. The synthesized compounds exhibit amorphous nature with a high glass
transition temperature, a good solubility, and decent thermal stability. The
planar perovskite solar cells (PSCs) employing V1050 generated an excellent power
conversion efficiency of 18.3%, which is comparable to 18.9% obtained with the
state-of-the-art Spiro-OMeTAD. Importantly, the devices based on V1050 and V1061
show better stability compared to devices based on Spiro-OMeTAD when aged without
any encapsulation under uncontrolled humidity conditions (relative humidity
around 60%) in the dark and under continuous full sun illumination.