Very wide-bandgap nanostructured metal oxide materials for perovskite solar cells
https://doi.org/10.17586/2220-8054-2019-10-1-70-75
Abstract
Very wide-bandgap undoped and Y2O3-doped ZrO2 nanoparticles were synthesized and their structural, optical, morphological and energy characteristics were investigated. It was found that the bandgap value in ZrO2 decreases with Y2O3 doping. The developed materials were used for fabrication of nanostructured photoelectrodes for perovskite solar cells (PSCs) with the architecture of glass/FTO/ZrO2– Y2O3/CH3NH3PbI3/spiro-MeOTAD/Au. The power conversion efficiency in the PSCs based on ZrO2–Y2O3 photoelectrodes was significantly higher than that for undoped ZrO2 photoelectrodes. We have found that nanostructured layers, based on very wide-bandgap materials could efficiently transfer the injected electrons via a hopping transport mechanism.
Keywords
Supporting agencies: This work was supported by the Russian Science Foundation under grant No. 17-19-01776.
About the Authors
L. L. Larina
Department of Solar Photovoltaics, Institute of Biochemical Physics RAS
Russian Federation
Russian Federation
Kosygin St. 4, Moscow, 119334
O. V. Alexeeva
Department of Solar Photovoltaics, Institute of Biochemical Physics RAS
Russian Federation
Russian Federation
Kosygin St. 4, Moscow, 119334
O. V. Almjasheva
St. Petersburg Electrotechnical University “LETI”
Russian Federation
Russian Federation
Professora Popova St. 5, Saint Petersburg, 197376
V. V. Gusarov
Ioffe Physical-Technical Institute RAS
Russian Federation
Russian Federation
Politekhnicheskaya St. 26, Saint Petersburg, 194021
S. S. Kozlov
Department of Solar Photovoltaics, Institute of Biochemical Physics RAS
Russian Federation
Russian Federation
Kosygin St. 4, Moscow, 119334
A. B. Nikolskaia
Department of Solar Photovoltaics, Institute of Biochemical Physics RAS
Russian Federation
Russian Federation
Kosygin St. 4, Moscow, 119334
M. F. Vildanova
Department of Solar Photovoltaics, Institute of Biochemical Physics RAS
Russian Federation
Russian Federation
Kosygin St. 4, Moscow, 119334
O. I. Shevaleevskiy
Department of Solar Photovoltaics, Institute of Biochemical Physics RAS
Russian Federation
Russian Federation
Kosygin St. 4, Moscow, 119334
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Review
For citations:
Larina L.L., Alexeeva O.V., Almjasheva O.V., Gusarov V.V., Kozlov S.S., Nikolskaia A.B., Vildanova M.F., Shevaleevskiy O.I. Very wide-bandgap nanostructured metal oxide materials for perovskite solar cells. Nanosystems: Physics, Chemistry, Mathematics. 2019;10(1):70-75. https://doi.org/10.17586/2220-8054-2019-10-1-70-75
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