Natural dyes for solar cell application: uv-visible spectra and outdoor photovoltaic performance
| dc.contributor.author | Pamain, Adriano | |
| dc.contributor.author | Pogrebnaya, Tatiana P. | |
| dc.contributor.author | King'ondu, Cecil K. | |
| dc.date.accessioned | 2020-03-11T09:28:11Z | |
| dc.date.available | 2020-03-11T09:28:11Z | |
| dc.date.issued | 2014-09 | |
| dc.description | SDG 7 : Affordable and Clean Energy, SDG 9 : Industry, Innovation and Infrastructure, SDG 12 : Responsible Consumption and Production | en_US |
| dc.description.abstract | Successful conversion of visible light into electrical output was achieved by using four locally available natural dyes as wide band gap semiconductor sensitizers in Dye-sensitized solar cells. Natural dyes extracted from Java plum (Syzigium cumin), Red cabbage (Brassica oleracea), Hibiscus rosa-sinensis flower, and Begonia rex leaves were employed as light-absorbing dyes anchored to nanostructured mesoporous TiO2 film photo anode. Simple procedures were employed in extracting natural dyes. The dye extracts were stored for four months prior to UV-vis spectra and photoelectrical measurements. The absorption spectra analyses for all extracts carried out in the wavelength range 350 to 800 nm, showed a wide and significant absorption spectrum in UV and visible regions. Photovoltaic parameters such as short-circuit current (Jsc), open-circuit voltage (Voc), fill factor (FF), power output (Pm), and energy conversion efficiency (η) were determined for the four dyes. Conversion efficiencies obtained from Java plum, Red cabbage; Hibiscus flower and Begonia rex were 0.098, 0.051, 081, and 0.094%, respectively. Efficiency of fabricated cells and cell characteristics were found to correlate with absorption spectra of dyes. | en_US |
| dc.identifier.issn | 2276-8467 | |
| dc.identifier.uri | http://dspace.nm-aist.ac.tz/handle/123456789/629 | |
| dc.language.iso | en | en_US |
| dc.publisher | Research Journal in Engineering and Applied Sciences | en_US |
| dc.subject | Dye Sensitized Solar Cell (DSSC) | en_US |
| dc.subject | Titanium Oxide (TiO2) | en_US |
| dc.title | Natural dyes for solar cell application: uv-visible spectra and outdoor photovoltaic performance | en_US |
| dc.type | Article | en_US |