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Bulk photovoltaic effect in an organic polar crystal
Ratheesh K Vijayaraghavan1, Stefan C J Meskers, M Abdul Rahim
1Molecular Materials and Nanosystems, Eindhoven University of Technology, PO Box 513, 5600 MB Eindhoven, The Netherlands. s.c.j.meskers@tue.nl.
Abstract:
Organic polar crystals from the donor-acceptor substituted 1,4-diphenybutadiene 1 can generate a short-circuit photocurrent and a photovoltage upon illumination with near UV light. The photocurrent and photovoltage are attributed to a bulk photovoltaic effect. The bulk photovoltaic effect has been known for inorganic polar crystals for decades and can now also be demonstrated for organic polar crystals.
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