Effects of Au nanoparticle addition to hole transfer layer in organic solar cells based on copper naphthalocyanine and fullerene |
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| Authors: | Akihiko Nagat Takeo Oku Tsuyoshi Akiyama and Atsushi Suzuki |
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| Affiliation: | Department of Materials Science, The University of Shiga Prefecture, 2500 Hassaka, Shiga, Hikone 522-8533, Japan;Department of Materials Science, The University of Shiga Prefecture, 2500 Hassaka, Shiga, Hikone 522-8534, Japan;Department of Materials Science, The University of Shiga Prefecture, 2500 Hassaka, Shiga, Hikone 522-8535, Japan;Department of Materials Science, The University of Shiga Prefecture, 2500 Hassaka, Shiga, Hikone 522-8536, Japan |
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| Abstract: | Organic solar cells based on copper naphthalocyanine (CuNc) and fullerene (C60) were fabricated, and their photovoltaic properties were investigated. C60 and CuNc were used as n-type and p-type semiconductors, respectively. In addition, the effect of Au nanoparticle addition on a
hole transfer layer was investigated, and the power conversion ef ficiency of the devices was improved after blending the Au nanoparticles into the
hole transport layer. Nanostructures of Au nanoparticles were investigated by transmission electron microscopy and X-ray diffraction. Energy levels of molecules were calculated by molecular orbital calculations, and the nanostructure and electronic properties were discussed. |
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| Keywords: | Solar cell Copper naphthalocyanine Fullerene Au nanoparticle |
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