There has been much interest in the emergence of pi-conjugated materials for applications in electroluminescent devices [1], transistors and solar cells [2]. Over the past five years in Australia the University of Melbourne, Monash University and the Commonwealth Scientific and Industrial Research Organisation (CSIRO) in partnership with industry have formed the Victorian Organic Solar Cells Consortium (VICOSC) to develop large area low cost printable solar cells [3]. The focus is on blends of small molecule and polymeric donor acceptor materials as excitonic bulk heterojunction (BHJ) solar cells and on the dye-sensitized solar cell popularized by O'Regan and Gratzel [4] in which we committed ourselves to search for alternative electrolytes and acceptable processing conditions to remove the need for liquid solvents.
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