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Increased quantum efficiency in hybrid photoelectrochemical cell consisting of thionine and zinc oxide nanoparticles

Paper ID Volume ID Publish Year Pages File Format Full-Text
27676 44036 2010 4 PDF Available
Title
Increased quantum efficiency in hybrid photoelectrochemical cell consisting of thionine and zinc oxide nanoparticles
Abstract

In this paper we report our studies on hybrid photoelectrochemical cell made of thionine and zinc oxide nanoparticles. Nanostructured zinc oxide was synthesized in the laboratory by time and cost effective method. The photoelectrochemical cell yielded voltage of high magnitude (401.5 mV) and efficiency (1.21%) compared to other conventional photoelectrochemical cells. The morphology of the nanostructured zinc oxide was identified by X-ray diffraction and electron microscopy studies. Spectral studies indicated adsorption of the dye molecules on zinc oxide nanoparticles, the reason for efficient absorption of the incident photons. During photoexcitation the thionine molecules and the zinc oxide nanoparticles acted as donor–acceptor cluster which produced photovoltage.

Keywords
Photoelectrochemical cell; ZnO nanoparticle; Absorption spectra; Photovoltage; Energy conversion efficiency
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Increased quantum efficiency in hybrid photoelectrochemical cell consisting of thionine and zinc oxide nanoparticles
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Publisher
Database: Elsevier - ScienceDirect
Journal: Journal of Photochemistry and Photobiology A: Chemistry - Volume 211, Issues 2–3, 15 April 2010, Pages 143–146
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
Online Support
Any Questions? feel free to contact us