Photoanode Engineering Using TiO2 Nanofibers for Enhancing the Photovoltaic Parameters of Natural Dye Sensitised Solar Cells

Authors	I. Jinchu¹, C.O Sreekala², U.S. Sajeev³, K. Achuthan¹, K.S. Sreelatha³
Affiliations	¹ Department of Physics, Amrita Vishwa Vidyapeetham, Amritapuri Campus, Clappana P.O Kollam-690525, Kerala, India ² School of Biotechnology, Amrita Vishwa Vidyapeetham, Amritapuri Campus, Clappana P.O Kollam-690525, Kerala, India ³ Department of Physics, Govt.College, Kottayam, Kerala, India
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Issue	Volume 7, Year 2015, Number 4
Dates	Received 05 October 2015; published online 10 December 2015
Citation	I. Jinchu, C.O Sreekala, U.S. Sajeev, et al., J. Nano- Electron. Phys. 7 No 4, 04002 (2015)
DOI
PACS Number(s)	81.05.Lg, 84.71.Mn, 81.07.Wx
Keywords	DSSC (7) , Natural sensitizers, Electrospinning (2) , Nanofibers (2) , Nanopowder (4) .
Annotation	Dye Sensitized solar cell (DSSC) have been looked upon as having the potential to modernize photovoltaic as a cost effective technology. Especially nanostructured DSSC is proposed to have the capability to boost the efficiency by limiting charge recombination, thereby increasing the charge transportation which affects the overall conversion efficiency favourably. In the present work we discuss the effect of nanofibers as photo anode for increasing the efficiency of a dye sensitized solar cell. As we know nanostructured metal oxides have paying much attention in the field of photovoltaics due to their physical properties and dimensionality. This type of geometry provides direct and spatially separated charge transport channels for electrons and holes. TiO2 single-crystalline nanofibers of different diameter are prepared by electrospinning process and TiO2 nanoparticles by doctor blade technique are used for fabricating the device using natural sensitizers.
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