Dye-sensitized solar cell with energy storage function through PVDF/ZnO nanocomposite counter electrode.

Zhang, Xi; Huang, Xuezhen; Li, Chensha; Jiang, Hongrui · Adv Mater · 2013

basic_science · Level V

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Abstract

Dye-sensitized solar cells with an energy storage function are demonstrated by modifying its counter electrode with a poly (vinylidene fluoride)/ZnO nanowire array composite. This simplex device could still function as an ordinary solar cell with a steady photocurrent output even after being fully charged. An energy storage density of 2.14 C g(-1) is achieved, while simultaneously a 3.70% photo-to-electric conversion efficiency is maintained.

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