dc.contributor.author | Simiyu, J | |
dc.contributor.author | Aduda, Bernard O | |
dc.contributor.author | Mwabora, JM | |
dc.date.accessioned | 2013-06-18T15:04:30Z | |
dc.date.available | 2013-06-18T15:04:30Z | |
dc.date.issued | 2004 | |
dc.identifier.citation | Progress in Colloid and Polymer Science Volume 125, 2004, pp 34-37 | en |
dc.identifier.uri | http://link.springer.com/chapter/10.1007/978-3-540-45119-8_6 | |
dc.identifier.uri | http://erepository.uonbi.ac.ke:8080/xmlui/handle/123456789/35856 | |
dc.description.abstract | Photoelectrochemical solar cells comprising a colloidal TiO2 photoelectrode and sensitized with anthocyanin pigments, delphinidin purple and cyanidin 3,5-diglucose extracted from Hibiscus sabdariffa and Ribes nigra plants, respectively, have been fabricated. A sunlight-to-electricity conversion efficiency of 3.16% under simulated solar light was obtained with the cell sensitized with the delphinidin purple dye. Open-circuit photovoltages of 0.2–0.3 V and short-circuit photocurrents of 15–30 mA/cm2> were obtained, which points to efficient charge-carrier injection at the semiconductor/electrolyte interface. The cells also showed a high activation energy of between 0.3–0.5 eV. | en |
dc.language.iso | en | en |
dc.publisher | Springer | en |
dc.subject | Photoelectrochemical | en |
dc.subject | Dye sensitization | en |
dc.subject | Nanoporous | en |
dc.title | Anthocyanin-sensitized nanoporous TiO2 photoelectrochemical solar cells prepared by a sol–gel process | en |
dc.type | Article | en |