Photovoltaic properties of an amorphous carbon/fullerene junction

Tetsuo Soga; Takuya Kondoh; Naoki Kishi; Yasuhiko Hayashi

doi:10.1016/j.carbon.2013.02.050

Photovoltaic properties of an amorphous carbon/fullerene junction

Tetsuo Soga, Takuya Kondoh, Naoki Kishi, Yasuhiko Hayashi

Research output: Contribution to journal › Article

7 Citations (Scopus)

Abstract

This paper demonstrates all-carbon photovoltaic devices made of amorphous carbon (a-C) and C₆₀ thin films. C₆₀ film is deposited by the sublimation in vacuum and a-C film is synthesized by exposing N₂ radicals to C₆₀ during the deposition. C₆₀ is converted into a-C when the rf power is larger than 150 W and the optical band gap decreases with increasing the power. Photovoltaic properties of device with the structure of Al/C₆₀/a-C/indium tin oxide/glass are presented. It is shown that the present cell has a strong spectral response in the wavelength range shorter than 550 nm and a small response at around 620 nm.

Original language	English
Pages (from-to)	1-4
Number of pages	4
Journal	Carbon
Volume	60
DOIs	https://doi.org/10.1016/j.carbon.2013.02.050
Publication status	Published - Aug 1 2013
Externally published	Yes

ASJC Scopus subject areas

Chemistry(all)
Materials Science(all)

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Soga, T., Kondoh, T., Kishi, N., & Hayashi, Y. (2013). Photovoltaic properties of an amorphous carbon/fullerene junction. Carbon, 60, 1-4. https://doi.org/10.1016/j.carbon.2013.02.050

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abstract = "This paper demonstrates all-carbon photovoltaic devices made of amorphous carbon (a-C) and C60 thin films. C60 film is deposited by the sublimation in vacuum and a-C film is synthesized by exposing N2 radicals to C60 during the deposition. C60 is converted into a-C when the rf power is larger than 150 W and the optical band gap decreases with increasing the power. Photovoltaic properties of device with the structure of Al/C60/a-C/indium tin oxide/glass are presented. It is shown that the present cell has a strong spectral response in the wavelength range shorter than 550 nm and a small response at around 620 nm.",

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AU - Soga, Tetsuo

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AU - Kishi, Naoki

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AB - This paper demonstrates all-carbon photovoltaic devices made of amorphous carbon (a-C) and C60 thin films. C60 film is deposited by the sublimation in vacuum and a-C film is synthesized by exposing N2 radicals to C60 during the deposition. C60 is converted into a-C when the rf power is larger than 150 W and the optical band gap decreases with increasing the power. Photovoltaic properties of device with the structure of Al/C60/a-C/indium tin oxide/glass are presented. It is shown that the present cell has a strong spectral response in the wavelength range shorter than 550 nm and a small response at around 620 nm.

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