Natural photosensitizers for dye sensitized solar cells
Dye-sensitized solar cells (DSSCs) were constructed by using the Lawsonia inermis leaves, Sumac/Rhus fruits, and Curcuma longa roots as natural sensitizers of anatase-based nanostructure TiO2 thin film Paint-coated on ITO conducting glass. The orange-red Lawsone, red purple anthocyanin and yellow Cu...
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| Format: | Article |
| Language: | English English |
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IJRER
2013
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| Online Access: | http://irep.iium.edu.my/36129/ http://irep.iium.edu.my/36129/1/IJRER_IRAJ_503-2636-1-PB.pdf http://irep.iium.edu.my/36129/4/36129_natural%20photosensitizers_scopus.pdf |
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| author | Mohamad, Souad A. Alaei, Iraj Sopyan, Iis |
| author_facet | Mohamad, Souad A. Alaei, Iraj Sopyan, Iis |
| author_sort | Mohamad, Souad A. |
| building | IIUM Repository |
| collection | Online Access |
| description | Dye-sensitized solar cells (DSSCs) were constructed by using the Lawsonia inermis leaves, Sumac/Rhus fruits, and Curcuma longa roots as natural sensitizers of anatase-based nanostructure TiO2 thin film Paint-coated on ITO conducting glass. The orange-red Lawsone, red purple anthocyanin and yellow Curcumin are the main components in the natural dyes obtained from these natural products. A blend of 50 wt% chitosan and 50 wt% polyethylene oxide (PEO) was used as a solid state thin film electrolyte. The polymer blend was complexed with ammonium iodide (NH4I) and some iodine crystals were added to the polymer–NH4I solution to provide I-/I3- redox couple. The ionic conductivity of the polymer electrolyte is 1.18x10-5 S cm-1 at room temperature. Structural and optical properties of the semiconductor thin films were characterized by X-ray diffractometer and UV-VIS spectrophotometer respectively. The XRD shows nanocrystalline structures for TiO2 thin films (D=13nm). The photovoltaic properties of the cell have been studied and the best overall solar energy conversion efficiency of 1.5% was obtained, under AM 1.5 irradiation, with the red purple Sumac/Rhus extract, that showed a reasonable current density (Jsc = 0.93 mA/cm2). |
| first_indexed | 2025-11-14T15:45:16Z |
| format | Article |
| id | iium-36129 |
| institution | International Islamic University Malaysia |
| institution_category | Local University |
| language | English English |
| last_indexed | 2025-11-14T15:45:16Z |
| publishDate | 2013 |
| publisher | IJRER |
| recordtype | eprints |
| repository_type | Digital Repository |
| spelling | iium-361292017-01-24T01:16:06Z http://irep.iium.edu.my/36129/ Natural photosensitizers for dye sensitized solar cells Mohamad, Souad A. Alaei, Iraj Sopyan, Iis T175 Industrial research. Research and development Dye-sensitized solar cells (DSSCs) were constructed by using the Lawsonia inermis leaves, Sumac/Rhus fruits, and Curcuma longa roots as natural sensitizers of anatase-based nanostructure TiO2 thin film Paint-coated on ITO conducting glass. The orange-red Lawsone, red purple anthocyanin and yellow Curcumin are the main components in the natural dyes obtained from these natural products. A blend of 50 wt% chitosan and 50 wt% polyethylene oxide (PEO) was used as a solid state thin film electrolyte. The polymer blend was complexed with ammonium iodide (NH4I) and some iodine crystals were added to the polymer–NH4I solution to provide I-/I3- redox couple. The ionic conductivity of the polymer electrolyte is 1.18x10-5 S cm-1 at room temperature. Structural and optical properties of the semiconductor thin films were characterized by X-ray diffractometer and UV-VIS spectrophotometer respectively. The XRD shows nanocrystalline structures for TiO2 thin films (D=13nm). The photovoltaic properties of the cell have been studied and the best overall solar energy conversion efficiency of 1.5% was obtained, under AM 1.5 irradiation, with the red purple Sumac/Rhus extract, that showed a reasonable current density (Jsc = 0.93 mA/cm2). IJRER 2013 Article PeerReviewed application/pdf en http://irep.iium.edu.my/36129/1/IJRER_IRAJ_503-2636-1-PB.pdf application/pdf en http://irep.iium.edu.my/36129/4/36129_natural%20photosensitizers_scopus.pdf Mohamad, Souad A. and Alaei, Iraj and Sopyan, Iis (2013) Natural photosensitizers for dye sensitized solar cells. International Journal of Renewable Energy Research (IJRER), 3 (1). pp. 138-143. ISSN 1309-0127 http://www.ijrer.org/index.php/ijrer/article/view/503 |
| spellingShingle | T175 Industrial research. Research and development Mohamad, Souad A. Alaei, Iraj Sopyan, Iis Natural photosensitizers for dye sensitized solar cells |
| title | Natural photosensitizers for dye sensitized solar cells |
| title_full | Natural photosensitizers for dye sensitized solar cells |
| title_fullStr | Natural photosensitizers for dye sensitized solar cells |
| title_full_unstemmed | Natural photosensitizers for dye sensitized solar cells |
| title_short | Natural photosensitizers for dye sensitized solar cells |
| title_sort | natural photosensitizers for dye sensitized solar cells |
| topic | T175 Industrial research. Research and development |
| url | http://irep.iium.edu.my/36129/ http://irep.iium.edu.my/36129/ http://irep.iium.edu.my/36129/1/IJRER_IRAJ_503-2636-1-PB.pdf http://irep.iium.edu.my/36129/4/36129_natural%20photosensitizers_scopus.pdf |