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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 Nanoscale+Res+Lett
2015 ; 10
(ä): 146
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Quantum dot-sensitized solar cells having 3D-TiO2 flower-like structures on the
surface of titania nanorods with CuS counter electrode
#MMPMID25852435
Buatong N
; Tang IM
; Pon-On W
Nanoscale Res Lett
2015[]; 10
(ä): 146
PMID25852435
show ga
The photovoltaic performance of a quantum dot (QD)-sensitized solar cell
consisting of CdS/CdSe/ZnS QDs loaded onto the surface of the three-dimensional
(3D) flower-like TiO2 structure grown on an array (1D) of TiO2 nanorods (FTiR) is
studied. The flower-like structure on the rod-shaped titania was synthesized
using a double-step hydrothermal process. The FTiR array exhibited a 3D/1D
composite structure with a specific surface area of 81.87 m(2)/g. Using CuS as
the counter electrode instead of Pt offers the best performance and leads to an
increase in the conversion efficiency (?). The efficiency of the CdS/CdSe/ZnS
QD-loaded FTiR assembling CuS counter electrode cell improved from ??=?2.715%
(Voc?=?0.692 V, Jsc?=?5.896 mA/cm(2), FF?=?0.665) to ??=?0.703% (Voc?=?0.665 V,
Jsc?=?2.108 mA/cm(2), FF?=?0.501) for the QD-loaded FTiR assembling Pt counter
electrode cell. These studies reveal a synergistically beneficial effect on the
solar-to-current conversion of these QD-sensitized solar cells when a CuS counter
electrode is used instead of the usual Pt counter electrode.