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

In this study, the operation of donor/acceptor photovoltaic cells fabricated on homoepitaxially grown -doped rubrene single-crystal substrates is demonstrated. The photocurrent density is dominated by the sheet conductivity (σ ) of the -type single-crystal layer doped to 100 ppm with an iron chlorid...

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Published inMaterials Vol. 13; no. 9; p. 2068
Main Authors Yabara, Yusuke, Izawa, Seiichiro, Hiramoto, Masahiro
Format Journal Article
LanguageEnglish
Published Switzerland MDPI AG 30.04.2020
MDPI
Subjects
Bulk density
donor/acceptor junction
Efficiency
Electrodes
Iron chlorides
organic single-crystal substrate
p-doped rubrene homoepitaxial layer
Photoelectric effect
Photoelectric emission
Photovoltaic cells
sheet conductivity
Silicon wafers
Single crystals
Solar cells
Substrates
Japan
donor/acceptor junction
organic single-crystal substrate
p-doped rubrene homoepitaxial layer
sheet conductivity
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Summary:In this study, the operation of donor/acceptor photovoltaic cells fabricated on homoepitaxially grown -doped rubrene single-crystal substrates is demonstrated. The photocurrent density is dominated by the sheet conductivity (σ ) of the -type single-crystal layer doped to 100 ppm with an iron chloride (Fe Cl ) acceptor. A 65 mm thick type rubrene single-crystal substrate is expected to be required for a photocurrent density of 20 mA·cm . An entire bulk doping technique for rubrene single crystals is indispensable for the fabrication of practical organic single-crystal solar cells.
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ISSN:1996-1944
1996-1944
DOI:10.3390/ma13092068