Photovoltaic device

Batteries: thermoelectric and photoelectric – Photoelectric – Cells

Reexamination Certificate

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Details

C136S243000, C136S252000, C438S057000, C438S082000

Reexamination Certificate

active

07834266

ABSTRACT:
Provided is a photovoltaic device with an organic buffer layer for efficiency improvement. The photovoltaic device includes a first electrode and a second electrode disposed opposite to each other, a photoactive layer disposed between the first electrode and the second electrode, and a buffer layer disposed between the photoactive layer and the second electrode. The buffer layer includes a compound including an aromatic organic cation and an anion in a quantity ranging from 30 wt % to 100 wt %, more preferably 50 wt % to 100 wt % with respect to the entire weight of the buffer layer.

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patent: 6300559 (2001-10-01), Ohmori
patent: 6580027 (2003-06-01), Forrest et al.
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patent: 2003/0116775 (2003-06-01), Matsuo et al.
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patent: 2007/0145355 (2007-06-01), Werner et al.
patent: 2008/0309222 (2008-12-01), Thompson et al.
patent: 2002-0094735 (2002-12-01), None
Kim et al., Enhanced Efficiency of Polymer: Fullerene Bulk Heterojunction Solar Cells with the Insertion of Thin Pyronin B layer neatr the AI electrode, School of Electrical Engineering and Nano Systems Institutte National Core Research Center, Seoul national Univ., Seou, pp. I 151-744, 2005).
“Conference 5938: Organic Photovoltaics VI” ‘Enhanced efficiency of polymer: fullerene bulk heterojunction solar cells with the insertion of thin pyromin B layer near the A1 electrode’, pp. 561 and 570, held on Aug. 2-4, 2005.

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