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


ABSTRACT: 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 (??) of the p-type single-crystal layer doped to 100 ppm with an iron chloride (Fe2Cl6) acceptor. A 65 mm 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.

SUBMITTER: Yabara Y 

PROVIDER: S-EPMC7254258 | biostudies-literature | 2020 Apr

REPOSITORIES: biostudies-literature

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Donor/Acceptor Photovoltaic Cells Fabricated on <i>p</i>-Doped Organic Single-Crystal Substrates.

Yabara Yusuke Y   Izawa Seiichiro S   Hiramoto Masahiro M  

Materials (Basel, Switzerland) 20200430 9


In this study, the operation of donor/acceptor photovoltaic cells fabricated on homoepitaxially grown <i>p</i>-doped rubrene single-crystal substrates is demonstrated. The photocurrent density is dominated by the sheet conductivity (σ<sub>□</sub>) of the <i>p</i>-type single-crystal layer doped to 100 ppm with an iron chloride (Fe<sub>2</sub>Cl<sub>6</sub>) acceptor. A 65 mm thick <i>p-</i>type rubrene single-crystal substrate is expected to be required for a photocurrent density of 20 mA·cm<sup  ...[more]

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