Improved Performance of Organic Star-Shaped Molecule Solar Cells with SiO2 Nanoparticles Embedded in a Buffer Layer

We have studied the effect of spherical SiO 2 nanoparticles with sizes of 20, 50, and 80 nm embedded in a PEDOT : PSS buffer layer on the performance of organic solar cells (OSCs) based on star-shaped oligomers. The current–voltage characteristics and absorption spectra of samples have been measured...

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Bibliographic Details
Published inMoscow University physics bulletin Vol. 73; no. 6; pp. 678 - 682
Main Authors Vladimirova, Yu. V., Mannanov, A. L., Zadkov, V. N., Song, F.
Format Journal Article
LanguageEnglish
Published Moscow Pleiades Publishing 2018
Springer Nature B.V
Subjects
Absorption spectra
Buffer layers
Condensed Matter Physics
Current voltage characteristics
Mathematical and Computational Physics
Morphology
Nanoparticles
Oligomers
Organic chemistry
Photovoltaic cells
Physics
Physics and Astronomy
Silicon dioxide
Solar cells
Theoretical
organic solar cells
SiO
nanoparticles
star-shaped donor–acceptor oligomers
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Summary:We have studied the effect of spherical SiO 2 nanoparticles with sizes of 20, 50, and 80 nm embedded in a PEDOT : PSS buffer layer on the performance of organic solar cells (OSCs) based on star-shaped oligomers. The current–voltage characteristics and absorption spectra of samples have been measured and analyzed; the morphology of the buffer layer surface with embedded nanoparticles has been studied. It has been shown that an increase in the OSC performance occurs in the case of embedded nanoparticles with a diameter of 20 and 50 nm and weakly depends on the concentration of the nanoparticles in the layer.
ISSN:0027-1349
1934-8460
DOI:10.3103/S0027134918060255