NDLI: Photocurrent enhancement of nanocrystalline zinc oxide films using low cost dyes

Content Provider	IEEE Xplore Digital Library
Author	Jayatissa, A.H. Kane, J.
Copyright Year	2008
Description	Author affiliation: Dept. of Ind. & Manuf. Eng., Toledo Univ., Toledo, OH (Jayatissa, A.H.)
Abstract	Improvement of dye sensitized solar cell was investigated using methyl-violet dye and nanocrystalline ZnO thin film electrodes. A low cost fabrication method and low cost materials were used to prepare this photocell. The X-ray diffraction (XRD) and scanning electron microscopy (SEM) were used to characterize the microstructure and surface properties of dye coated ZnO electrodes. According to the XRD and SEM measurements, nanosize particles were found in ZnO film. Smaller nano-particles enhance the effective surface area; therefore the photo-current. ZnO film coated with methyl-violet dye was measured in electrolyte of $KI/I_{2}$ with secondary electrode of platinum. Cell thickness and dye coating time were varied in order to obtain optimum photo-current and photovoltage. Photo-current density around 1.33 $mA/cm^{2}$ was obtained for the ZnO films sensitized with methyl-violet dye.
Starting Page	171
Ending Page	174
File Size	373867
Page Count	4
File Format	PDF
ISBN	9781424420292
DOI	10.1109/EIT.2008.4554289
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-05-18
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Photoconductivity Zinc oxide Costs Electrodes Scanning electron microscopy X-ray scattering Photovoltaic cells Transistors Fabrication X-ray diffraction XRD Dye sensitized solar cells nanocrystals zinc oxide dye coating optical reflectance SEM
Content Type	Text
Resource Type	Article

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