Fabrication of photovoltaic cell from ruthenium-containing polymer using layer-by-layer polyelectrolytes adsorption technique

Ka Yan Kitty Man; Kai Wing Cheng; Hei Ling Wong; Chung Yin Kwong; Wai Kin Chan; Aleksandra B. Djurisic

doi:10.1117/12.503656

6 February 2004 Fabrication of photovoltaic cell from ruthenium-containing polymer using layer-by-layer polyelectrolytes adsorption technique

Ka Yan Kitty Man, Kai Wing Cheng, Hei Ling Wong, Chung Yin Kwong, Wai Kin Chan, Aleksandra B. Djurisic

Author Affiliations +

Proceedings Volume 5215, Organic Photovoltaics IV; (2004) https://doi.org/10.1117/12.503656
Event: Optical Science and Technology, SPIE's 48th Annual Meeting, 2003, San Diego, California, United States

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 I_sc, open-circuit voltage V_oc, 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.

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Ka Yan Kitty Man, Kai Wing Cheng, Hei Ling Wong, Chung Yin Kwong, Wai Kin Chan, and Aleksandra B. Djurisic "Fabrication of photovoltaic cell from ruthenium-containing polymer using layer-by-layer polyelectrolytes adsorption technique", Proc. SPIE 5215, Organic Photovoltaics IV, (6 February 2004); https://doi.org/10.1117/12.503656

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KEYWORDS

Polymers

Photovoltaics

Absorption

Ruthenium

Adsorption

External quantum efficiency

Solar cells

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