Batteries: thermoelectric and photoelectric – Photoelectric – Cells
Reexamination Certificate
2011-05-24
2011-05-24
Michener, Jennifer K. (Department: 1728)
Batteries: thermoelectric and photoelectric
Photoelectric
Cells
C136S252000, C136S264000, C438S057000, C438S098000
Reexamination Certificate
active
07947896
ABSTRACT:
Disclosed herein is a method for modifying the surface of a counter electrode. According to the method, the surface modification is achieved by treating the surface of a counter electrode with a polyethylene glycol derivative having a pendant group at one end. Also disclosed is a counter electrode whose surface is modified by the method. The electron transfer rate at the interface between the counter electrode and an electrolyte layer of a photovoltaic device is increased and the affinity of the counter electrode for the electrolyte layer is improved, resulting in an improvement in the power conversion efficiency of the photovoltaic device.
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Zhang et al., Voltametric Behavior of Noradrenaline at 2-Mercaptoethanol Self-Assembled Monolayer Modified Gold Electrode and its Analytical Application, Chemistry and Material Science, Hubei University, Sensors, vol. 3, pp. 61-68, 2003.
Wang et al. (A Novel High-Performance Counter Electrode for Dye-Sensitized Solar Cells, Institute of Chemistry, Chinese Academy of Scineces, Electrochimica Acta, vol. 50, pp. 5546-5552, 2005.
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Kang Yong Soo
Lee Young Gun
Park Sang Cheol
Sohn Byung-Hee
Cantor & Colburn LLP
Mershon Jayne
Michener Jennifer K.
Samsung Electronics Co,. Ltd.
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