Integration of vapor-solid grown ZnO nanowires through dielectrophoresis Public Deposited

http://ir.library.oregonstate.edu/concern/graduate_thesis_or_dissertations/cf95jg85v

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  • Work on individually constructed devices has demonstrated that nanowires (NWs) offer great promise for applications such as sensing and optoelectronics. Despite this work, reliable large scale alignment and integration of these individual nanostructures into a lithographically defined process remains a challenge. Dielectrophoresis (DEP) is a promising alignment method in which a nonuniform electric field is used to exert force on and manipulate NWs in solution. DEP offers the possibility of rapid, large area room-temperature assembly of NWs across opposing electrodes. DEP structures were fabricated on Si substrates and consisted of pairs of parallel Al electrodes on a 100nm insulating SiO2 film. ZnO NWs were suspended in isopropyl alcohol (IPA) and flowed across the electrodes. Alignment yield and angle of alignment were investigated as a function voltage and frequency. A method to remove excess nanowires through frequency tuning and IPA flushing is also investigated. The electrical properties of the formed ZnO NW devices will be reported.
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  • description.provenance : Made available in DSpace on 2010-04-13T13:30:58Z (GMT). No. of bitstreams: 1 Thesis_9_Final.pdf: 2651344 bytes, checksum: 0f8818555feb0033a9b99a8b9beeea9a (MD5)
  • description.provenance : Approved for entry into archive by Linda Kathman(linda.kathman@oregonstate.edu) on 2010-04-13T13:30:58Z (GMT) No. of bitstreams: 1 Thesis_9_Final.pdf: 2651344 bytes, checksum: 0f8818555feb0033a9b99a8b9beeea9a (MD5)
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  • description.provenance : Rejected by Julie Kurtz(julie.kurtz@oregonstate.edu), reason: Rejecting because the title page is repeated four times in the pretext pages and their should only be one. Also on the Abstract page your major is listed as Electrical Engineering and should be Electrical and Computer Engineering. Once revised open the item that was rejected. Replace the attched file with the revised file and resubmit. Thanks, Julie on 2010-04-12T18:05:23Z (GMT)
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  • description.provenance : Approved for entry into archive by Julie Kurtz(julie.kurtz@oregonstate.edu) on 2010-04-12T21:35:58Z (GMT) No. of bitstreams: 1 Thesis_9_Final.pdf: 2651344 bytes, checksum: 0f8818555feb0033a9b99a8b9beeea9a (MD5)

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