The influence of yttrium dopant on the properties of anatase nanoparticles and the performance of dye-sensitized solar cells

TiO2 mesoporous nanoparticles (NPs) doped with yttrium (Y) ions are fabricated via an environmentally friendly and facile solvothermal method to serve as a photoanode for dye sensitized solar cells (DSSCs). X-ray diffraction, X-ray photoelectron spectroscopy, transmission electron microscopy and N2...

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Veröffentlicht in:Physical chemistry chemical physics : PCCP 2015-01, Vol.17 (22), p.14836-14842
Hauptverfasser: Zhao, Bingxin, Wang, Jinshu, Li, Hongyi, Wang, Hong, Jia, Xinjian, Su, Penglei
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container_end_page 14842
container_issue 22
container_start_page 14836
container_title Physical chemistry chemical physics : PCCP
container_volume 17
creator Zhao, Bingxin
Wang, Jinshu
Li, Hongyi
Wang, Hong
Jia, Xinjian
Su, Penglei
description TiO2 mesoporous nanoparticles (NPs) doped with yttrium (Y) ions are fabricated via an environmentally friendly and facile solvothermal method to serve as a photoanode for dye sensitized solar cells (DSSCs). X-ray diffraction, X-ray photoelectron spectroscopy, transmission electron microscopy and N2 adsorption-desorption tests are used to characterize the influence of yttrium dopant on the properties of TiO2 NPs. The prepared Y-doped TiO2 NPs show the anatase phase and exhibit Ti-O-Y bonds. The photovoltaic performance is primarily associated with the morphological parameters of the NPs. At the optimum Y concentration of 3 at%, the short circuit current density increased from 13.20 to 15.74 mA cm(-2), full sun solar power conversion efficiencies increased from 6.09% up to 7.61% as compared to the blank DSSC.
doi_str_mv 10.1039/c5cp01178g
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source Royal Society Of Chemistry Journals; Alma/SFX Local Collection
subjects Anatase
Density
Dopants
Photovoltaic cells
Solar cells
Titanium dioxide
X-rays
Yttrium
title The influence of yttrium dopant on the properties of anatase nanoparticles and the performance of dye-sensitized solar cells
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