EP1513171-A1  KE XIAO ET AL: "HIGH PHOTOVOLTAGE MULTILAYER ORGANIC DYE PHOTOCELLS" ELECTROCHIMICA ACTA, ELSEVIER SCIENCE PUBLISHERS, BARKING, GB, vol. 38, no. 2 3, 1 February 1993 (1993-02-01), pages 459-464, XP000345139 ISSN: 0013-4686;  PETTERSSON H ET AL: "Long-term stability of low-power dye-sensitised solar cells prepared by industrial methods" SOLAR ENERGY MATERIALS AND SOLAR CELLS, ELSEVIER SCIENCE PUBLISHERS, AMSTERDAM, NL, vol. 70, no. 2, 15 December 2001 (2001-12-15), pages 203-212, XP004303754 ISSN: 0927-0248;  HE J ET AL: "Dye-sensitized nanostructured tandem cell-first demonstrated cell with a dye-sensitized photocathode" SOLAR ENERGY MATERIALS AND SOLAR CELLS, ELSEVIER SCIENCE PUBLISHERS, AMSTERDAM, NL, vol. 62, no. 3, May 2000 (2000-05), pages 265-273, XP004197383 ISSN: 0927-0248;  PATENT ABSTRACTS OF JAPAN vol. 2000, no. 12, 3 January 2001 (2001-01-03) -& JP 2000 243466 A (AISIN SEIKI CO LTD), 8 September 2000 (2000-09-08);  PATENT ABSTRACTS OF JAPAN vol. 2000, no. 12, 3 January 2001 (2001-01-03) -&JP 2000 243466 A (AISIN SEIKI CO LTD), 8 September 2000 (2000-09-08);  KE XIAO ET AL: "HIGH PHOTOVOLTAGE MULTILAYER ORGANIC DYE PHOTOCELLS" ELECTROCHIMICA ACTA, ELSEVIER SCIENCE PUBLISHERS, BARKING, GB, vol. 38, no. 2 / 3, 1 February 1993 (1993-02-01), pages 459-464, XP000345139 ISSN: 0013-4686WO2005024866-A1  KE XIAO ET AL: "HIGH PHOTOVOLTAGE MULTILAYER ORGANIC DYE PHOTOCELLS" ELECTROCHIMICA ACTA, ELSEVIER SCIENCE PUBLISHERS, BARKING, GB, vol. 38, no. 2 3, 1 February 1993 (1993-02-01), pages 459-464, XP000345139 ISSN: 0013-4686;  KE XIAO ET AL: "HIGH PHOTOVOLTAGE MULTILAYER ORGANIC DYE PHOTOCELLS" ELECTROCHIMICA ACTA, ELSEVIER SCIENCE PUBLISHERS, BARKING, GB, vol. 38, no. 2 / 3, 1 February 1993 (1993-02-01), pages 459-464, XP000345139 ISSN: 0013-4686;  PETTERSSON H ET AL: "Long-term stability of low-power dye-sensitised solar cells prepared by industrial methods" SOLAR ENERGY MATERIALS AND SOLAR CELLS, ELSEVIER SCIENCE PUBLISHERS, AMSTERDAM, NL, vol. 70, no. 2, 15 December 2001 (2001-12-15), pages 203-212, XP004303754 ISSN: 0927-0248;  HE J ET AL: "Dye-sensitized nanostructured tandem cell-first demonstrated cell with a dye-sensitized photocathode" SOLAR ENERGY MATERIALS AND SOLAR CELLS, ELSEVIER SCIENCE PUBLISHERS, AMSTERDAM, NL, vol. 62, no. 3, May 2000 (2000-05), pages 265-273, XP004197383 ISSN: 0927-0248 cited in the application;  PATENT ABSTRACTS OF JAPAN vol. 2000, no. 12, 3 January 2001 (2001-01-03) -& JP 2000 243466 A (AISIN SEIKI CO LTD), 8 September 2000 (2000-09-08) cited in the application;  PATENT ABSTRACTS OF JAPAN vol. 2000, no. 12, 3 January 2001 (2001-01-03) -&JP 2000 243466 A (AISIN SEIKI CO LTD), 8 September 2000 (2000-09-08) cited in the application