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Electronic and Crystallographic Examinations of the Homoepitaxially Grown Rubrene Single Crystals
Open AccessArticle

Donor/Acceptor Photovoltaic Cells Fabricated on p-Doped Organic Single-Crystal Substrates

1
Institute for Molecular Science, 5-1 Higashiyama, Myodaiji Town, Okazaki City, Aichi 444-8787, Japan
2
The Graduate University for Advanced Studies SOKENDAI, 5-1 Higashiyama, Myodaiji Town, Okazaki City, Aichi 444-8787, Japan
*
Author to whom correspondence should be addressed.
Materials 2020, 13(9), 2068; https://doi.org/10.3390/ma13092068
Received: 19 March 2020 / Revised: 10 April 2020 / Accepted: 24 April 2020 / Published: 30 April 2020
(This article belongs to the Special Issue Organic Solar Cell and Optoelectronic Functional Materials)
In this study, the operation of donor/acceptor photovoltaic cells fabricated on homoepitaxially grown p-doped rubrene single-crystal substrates is demonstrated. The photocurrent density is dominated by the sheet conductivity (σ) of the p-type single-crystal layer doped to 100 ppm with an iron chloride (Fe2Cl6) acceptor. A 65 μm thick p-type rubrene single-crystal substrate is expected to be required for a photocurrent density of 20 mA·cm−2. An entire bulk doping technique for rubrene single crystals is indispensable for the fabrication of practical organic single-crystal solar cells. View Full-Text
Keywords: organic single-crystal substrate; donor/acceptor junction; sheet conductivity; p-doped rubrene homoepitaxial layer organic single-crystal substrate; donor/acceptor junction; sheet conductivity; p-doped rubrene homoepitaxial layer
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MDPI and ACS Style

Yabara, Y.; Izawa, S.; Hiramoto, M. Donor/Acceptor Photovoltaic Cells Fabricated on p-Doped Organic Single-Crystal Substrates. Materials 2020, 13, 2068. https://doi.org/10.3390/ma13092068

AMA Style

Yabara Y, Izawa S, Hiramoto M. Donor/Acceptor Photovoltaic Cells Fabricated on p-Doped Organic Single-Crystal Substrates. Materials. 2020; 13(9):2068. https://doi.org/10.3390/ma13092068

Chicago/Turabian Style

Yabara, Yusuke; Izawa, Seiichiro; Hiramoto, Masahiro. 2020. "Donor/Acceptor Photovoltaic Cells Fabricated on p-Doped Organic Single-Crystal Substrates" Materials 13, no. 9: 2068. https://doi.org/10.3390/ma13092068

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