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Proceedings Paper

Fabrication of photovoltaic cell from ruthenium-containing polymer using layer-by-layer polyelectrolytes adsorption technique
Author(s): Ka Yan Kitty Man; Kai Wing Cheng; Hei Ling Wong; Chung Yin Kwong; Wai Kin Chan; Aleksandra B. Djurisic
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Paper Abstract

Multilayer photovoltaic devices were fabricated by the sequence adsorption of different polyelectrolytes. A ruthenium terpyridine complex containing poly(p-phenylenevinylene) was used as the polycation layer. This polymer has been shown to exhibit large photo-sensitivity due to the presence of the ruthenium complex, which has relatively long-lived excited state. This polymer absorbs strongly in the visible region at ca. 480 - 550 nm and it can act as the electron transporter. Sulfonated polyaniline was used as the hole-transporting polyanion layer. The ITO/(polyanion/polycation)n/Al devices were found to exhibit photovoltaic properties under the illumination of AM1 solar radiation. The short-circuit current Isc, open-circuit voltage Voc, and the fill factor FF were measured to be 14 μA/cm2, 0.84 V and 0.16 respectively. It was found that the power conversion efficiencies of the devices were dependent on the device thickness. This simple layer-by-layer self-assembly method allowed us to control the devices thickness accurately.

Paper Details

Date Published: 6 February 2004
PDF: 8 pages
Proc. SPIE 5215, Organic Photovoltaics IV, (6 February 2004); doi: 10.1117/12.503656
Show Author Affiliations
Ka Yan Kitty Man, Univ. of Hong Kong (China)
Kai Wing Cheng, Univ. of Hong Kong (China)
Hei Ling Wong, Univ. of Hong Kong (China)
Chung Yin Kwong, Univ. of Hong Kong (China)
Wai Kin Chan, Univ. of Hong Kong (China)
Aleksandra B. Djurisic, Univ. of Hong Kong (China)

Published in SPIE Proceedings Vol. 5215:
Organic Photovoltaics IV
Zakya H. Kafafi; Paul A. Lane, Editor(s)

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