Niobium-doped titanium dioxide nanoparticles for electron transport layers in perovskite solar cells
https://doi.org/10.17586/2220-8054-2017-8-4-540-545
Abstract
Nb-doped TiO2 nanoparticles with different doping concentrations, varied from 0 to 2.7 mol. %, were prepared by the sol-gel method followed by thermal treatment. The obtained nanoparticles were used to fabricate a series of electron transport layers for constructing perovskite solar cells (PSCs). The prepared layers were characterized using X-ray diffraction and optical transmission measurements. The effects of Nb doping concentration in TiO2 layers on the optical absorption behavior, the morphology and charge carrier dynamics were studied. A series of PSCs, based on the developed electron transport layers was fabricated and examined. It was found that PSC fabricated with 2.7 mol. % Nb content TiO2 electron transport layer have shown up to 19 % improvement of a power conversion efficiency compared to that, based on an undoped TiO2 layer.
Keywords
nanoparticles,
sol-gel method,
Nb-doped TiO2,
thin films,
semiconductors,
solar photovoltaics,
perovskite solar cells
Supporting agencies: This work was supported by the Russian Science Foundation, grant No. 17-19-01776
About the Authors
M. F. Vildanova
Russian Academy of Sciences
Russian Federation
Russian Federation
Institute of Biochemical Physics; Department of Solar Photovoltaics
119334; Kosygin St. 4; Moscow
S. S. Kozlov
Russian Academy of Sciences
Russian Federation
Russian Federation
Institute of Biochemical Physics; Department of Solar Photovoltaics
119334; Kosygin St. 4; Moscow
A. B. Nikolskaia
Russian Academy of Sciences
Russian Federation
Russian Federation
Institute of Biochemical Physics; Department of Solar Photovoltaics
119334; Kosygin St. 4; Moscow
O. I. Shevaleevskiy
Russian Academy of Sciences
Russian Federation
Russian Federation
Institute of Biochemical Physics; Department of Solar Photovoltaics
119334; Kosygin St. 4; Moscow
N. A. Tsvetkov
Russian Academy of Sciences
Russian Federation
Russian Federation
Institute of Biochemical Physics; Department of Solar Photovoltaics
119334; Kosygin St. 4; Moscow
O. V. Alexeeva
Russian Academy of Sciences
Russian Federation
Russian Federation
Institute of Biochemical Physics; Department of Solar Photovoltaics
119334; Kosygin St. 4; Moscow
L. L. Larina
Russian Academy of Sciences
Russian Federation
Russian Federation
Institute of Biochemical Physics; Department of Solar Photovoltaics
119334; Kosygin St. 4; Moscow
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Review
For citations:
Vildanova M.F., Kozlov S.S., Nikolskaia A.B., Shevaleevskiy O.I., Tsvetkov N.A., Alexeeva O.V., Larina L.L. Niobium-doped titanium dioxide nanoparticles for electron transport layers in perovskite solar cells. Nanosystems: Physics, Chemistry, Mathematics. 2017;8(4):540-545. https://doi.org/10.17586/2220-8054-2017-8-4-540-545
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