Photoconductivity of Nanocomposite MEH-PPV: TiO2 Thin Films

Abstract:

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The photoconductivity of a nanocomposite MEH-PPV:TiO2 thin film is investigated. The nanocomposite MEH-PPV:TiO2 thin film was deposited on a glass substrate by spin coating technique. The composition of the TiO2 powder was varied from 5 wt% to 20 wt% (with 5 wt% interval). The concentration of the MEH-PPV is given by 1 mg/1 ml. The current voltage characteristics were measured in dark and under illumination. The photoconductivity showed increment in value as the composition of the TiO2 is raised in the polymer based solution. The absorption showed augmentation as the amount of TiO2 is increased. The escalation of the current voltage is then supported by the results of surface morphology.

Info:

Periodical:

Edited by:

Andreas Öchsner, Irina V. Belova and Graeme E. Murch

Pages:

87-92

DOI:

10.4028/www.scientific.net/JNanoR.13.87

Citation:

M.S.P. Sarah et al., "Photoconductivity of Nanocomposite MEH-PPV: TiO2 Thin Films", Journal of Nano Research, Vol. 13, pp. 87-92, 2011

Online since:

February 2011

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$35.00

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