EP1139357-A2  BONHOTE P ET AL: "HUYDROPHOBIC, HIGHLY CONDUCTIVE AMBIENT-TEMPERATURE MOLTEN SALTS" INORGANIC CHEMISTRY, AMERICAN CHEMICAL SOCIETY, EASTON, US, vol. 35, no. 5, 1996, pages 1168-1178, XP000605807 ISSN: 0020-1669;  HAGFELDT A ET AL: "Photoelectrochemical studies of colloidal TiO/sub 2/-films: the charge separation process studied by means of action spectra in the UV region" SOLAR ENERGY MATERIALS AND SOLAR CELLS, SEPT. 1992, NETHERLANDS, vol. 27, no. 4, pages 293-304, XP000306632 ISSN: 0165-1633;  HAGFELDT A ET AL: "Photoelectrochemical studies of colloidal TiOsub 2-films: the charge separation process studied by means of action spectra in the UV region" SOLAR ENERGY MATERIALS AND SOLAR CELLS, SEPT. 1992, NETHERLANDS, vol. 27, no. 4, pages 293-304, XP000306632 ISSN: 0165-1633;  O'REGAN B ET AL: "LARGE ENHANCEMENT IN PHOTOCURRENT EFFICIENCY CAUSED BY UV ILLUMINATION OF THE DYE-SENSITIZED HETEROJUNCTION TIO2/RULL'NCS/CUSCN: INITIATION AND POTENTIAL MECHANISMS" CHEMISTRY OF MATERIALS, AMERICAN CHEMICAL SOCIETY, WASHINGTON, US, vol. 10, no. 6, 1998, pages 1501-1509, XP000907665 ISSN: 0897-4756;  O'REGAN B ET AL: "LARGE ENHANCEMENT IN PHOTOCURRENT EFFICIENCY CAUSED BY UV ILLUMINATION OF THE DYE-SENSITIZED HETEROJUNCTION TIO2RULL'NCSCUSCN: INITIATION AND POTENTIAL MECHANISMS" CHEMISTRY OF MATERIALS, AMERICAN CHEMICAL SOCIETY, WASHINGTON, US, vol. 10, no. 6, 1998, pages 1501-1509, XP000907665 ISSN: 0897-4756EP1139357-B1  BONHOTE P ET AL: "HUYDROPHOBIC, HIGHLY CONDUCTIVE AMBIENT-TEMPERATURE MOLTEN SALTS" INORGANIC CHEMISTRY, AMERICAN CHEMICAL SOCIETY, EASTON, US, vol. 35, no. 5, 1996, pages 1168-1178, XP000605807 ISSN: 0020-1669;  HAGFELDT A ET AL: "Photoelectrochemical studies of colloidal TiO/sub 2/-films: the charge separation process studied by means of action spectra in the UV region" SOLAR ENERGY MATERIALS AND SOLAR CELLS, SEPT. 1992, NETHERLANDS, vol. 27, no. 4, pages 293-304, XP000306632 ISSN: 0165-1633;  O'REGAN B ET AL: "LARGE ENHANCEMENT IN PHOTOCURRENT EFFICIENCY CAUSED BY UV ILLUMINATION OF THE DYE-SENSITIZED HETEROJUNCTION TIO2/RULL'NCS/CUSCN: INITIATION AND POTENTIAL MECHANISMS" CHEMISTRY OF MATERIALS, AMERICAN CHEMICAL SOCIETY, WASHINGTON, US, vol. 10, no. 6, 1998, pages 1501-1509, XP000907665 ISSN: 0897-4756