Photovoltaic Cell Based on Vectorial Electron Transfer
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United States of America Patent
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Issued Date -
Jun 26, 2008
app pub date -
Aug 18, 2005
filing date -
Aug 18, 2004
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Abandoned
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Abstract
A photovoltaic device and a method for production thereof. The photovoltaic device comprises an anode (32), a cathode (46) spaced apart from the anode, and at least one subcell disposed between the anode and the cathode. The subcell comprises a charge-transfer dyad (38) with a light absorbing electron donor moiety (40) and an electron acceptor moiety (42), which are covalently linked to each other in a non-flexible configuration and oriented such that each subcell is capable of performing primary photo-induced vectorial electron transfer between the donor and acceptor moieties in the direction from the anode to cathode. The structure of the donor-acceptor molecule is highly symmetric, which greatly increases the intramolecular electron transfer probability and, thereby, the efficiency of the device.
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