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dc.contributor.authorQazi Muhammad, Humayun
dc.contributor.authorMuhammad Kashif, Muhammad Faroow
dc.contributor.authorUda, Hashim, Prof. Dr.
dc.date.accessioned2014-03-31T03:17:50Z
dc.date.available2014-03-31T03:17:50Z
dc.date.issued2013
dc.identifier.citationJournal of Nanomaterials, vol. 2013, 2013, pages 1-5en_US
dc.identifier.issn1687-4110
dc.identifier.urihttp://www.hindawi.com/journals/jnm/2013/301674/
dc.identifier.urihttp://dspace.unimap.edu.my:80/dspace/handle/123456789/33223
dc.descriptionLink to publisher's homepage at http://www.hindawi.com/en_US
dc.description.abstractZnO thin films were deposited on patterned gold electrodes using the sol-gel spin coating technique. Conventional photolithography process was used to obtain the variable microgaps of 30 and 43 μm in butterfly topology by using zero-gap chrome mask.The structural, morphological, and electrical properties of the deposited thin films were characterized by X-ray diffraction (XRD), scanning electron microscope (SEM), and Keithley SourceMeter, respectively. The current-voltage (I-V) characterization was performed to investigate the effect ofUVlight on the fabricated devices.The ZnO fabricated sensors showed a photo to dark current (Iph/Id) ratios of 6.26 for 30 μm and 5.28 for 43μm gap electrodes spacing, respectively. Dynamic responses of both fabricated sensors were observed till 1V with good reproducibility. At the applied voltage of 1V, the response time was observed to be 4.817s and 3.704 s while the recovery time was observed to be 0.3738 s and 0.2891 s for 30 and 43 μm gaps, respectively.The signal detection at low operating voltages suggested that the fabricated sensors could be used for miniaturized devices with low power consumption.en_US
dc.language.isoenen_US
dc.publisherHindawi Publishing Corporationen_US
dc.subjectConventional photolithographyen_US
dc.subjectFabricated sensorsen_US
dc.subjectLow operating voltageen_US
dc.subjectLow-power consumptionen_US
dc.subjectMicro-gap electrodesen_US
dc.titleArea-selective ZnO thin film deposition on variable microgap electrodes and their impact on UV sensingen_US
dc.typeArticleen_US
dc.contributor.urlqhumayun2@gmail.comen_US
dc.contributor.urlkashif_bme@yahoo.comen_US
dc.contributor.urluda@unimap.edu.myen_US


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