Cost effective facile synthesis of TiO2 nanograins for flexible DSSC application using rose bengal dye

Synthesis of titanium dioxide (TiO 2 ) nanograins using economical successive ionic layer adsorption and reaction (SILAR) method has been carried out. TiO 2 thin films are studied for their structural, compositional, optical and morphological properties. A layer by layer process leads to the formati...

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Bibliographic Details
Published in:	Electronic materials letters Vol. 10; no. 5; pp. 943 - 950
Main Authors:	Jambure, Supriya Bapurao, Gund, Girish Sambhaji, Dubal, Deepak Prakash, Shinde, Sujata Sureshrao, Lokhande, Chandrakant Dnyandev
Format:	Journal Article
Language:	English
Published:	Springer The Korean Institute of Metals and Materials 01-09-2014 대한금속·재료학회
Subjects:	Characterization and Evaluation of Materials Chemistry and Materials Science Condensed Matter Physics Materials Science Nanotechnology Nanotechnology and Microengineering Optical and Electronic Materials 전자/정보통신공학 chemical synthesis rose bengal dye titanium dioxide nanograins DSSC
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Summary:	Synthesis of titanium dioxide (TiO 2 ) nanograins using economical successive ionic layer adsorption and reaction (SILAR) method has been carried out. TiO 2 thin films are studied for their structural, compositional, optical and morphological properties. A layer by layer process leads to the formation of 2.4 μ m thick nanocrystalline TiO 2 film. The heat treated TiO 2 thin films are hydrophilic in nature with contact angle of 67°. The interconnected nanograins are employed for dye sensitized solar cells (DSSC) using inexpensive Rose Bengal (RB) dye. RB dye sensitization resulted into shifting of absorption peak from UV to visible region. The photoresponce of the dye sensitized solar cell is evaluated in the polyiodide electrolyte (0.1 M KI + 0.01 M I 2 ) at 40 mWcm −2 illumination intensity. The TiO 2 nanograins accompanied with RB sensitizer showed the conversion efficiency ( η ) of 0.89%. These results depict the strong assurance of TiO 2 nanograins for DSSC application.
Bibliography:	G704-SER000000579.2014.10.5.001
ISSN:	1738-8090 2093-6788
DOI:	10.1007/s13391-014-3200-0