Focused-ion-beam fabrication of ZnO nanorod-based UV photodetector using the in-situ lift-out technique

Lupan Oleg; Chow Lee; Chai Guangyu; Chernyak Leonid; Lopatiuk-Tirpak Olena; Heinrich Helge H.

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LUPAN, Oleg, CHOW, Lee, CHAI, Guangyu, CHERNYAK, Leonid, LOPATIUK-TIRPAK, Olena, HEINRICH, Helge H.. Focused-ion-beam fabrication of ZnO nanorod-based UV photodetector using the in-situ lift-out technique. In: Physica Status Solidi (A) Applications and Materials Science, 2008, vol. 205, pp. 2673-2678. ISSN 1862-6300. DOI: https://doi.org/10.1002/pssa.200824233

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Physica Status Solidi (A) Applications and Materials Science

Volumul 205 / 2008 / ISSN 1862-6300

Focused-ion-beam fabrication of ZnO nanorod-based UV photodetector using the in-situ lift-out technique

DOI:https://doi.org/10.1002/pssa.200824233

Pag. 2673-2678

Lupan Oleg¹², Chow Lee¹, Chai Guangyu³, Chernyak Leonid¹, Lopatiuk-Tirpak Olena¹, Heinrich Helge H.¹⁴

¹ Department of Physics at the University of Central Florida,
² Technical University of Moldova,
³ Apollo Technologies, Inc.,
⁴ University of Central Florida

Disponibil în IBN: 4 octombrie 2023

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ZnO nanorods and nanowires are promising candidates as new types of high-sensitivity ultraviolet (UV) photodetectors due to their wide bandgap and large aspect ratio. In this study, single-crystalline ZnO nanorods were grown on glass substrates by a hydrothermal method. Specific structural, morphological, electrical, and optical measurements were carried out. A single ZnO nanorod-based photodetector was fabricated using the in-situ lift-out technique in a focused ion beam (FIB/SEM) instrument and characterized. With a source wavelength of 370 nm and an applied bias of 1 V, the responsivity of the ZnO nanorod is 30 mA/W. The single ZnO nanorod photodetector exhibits an ultraviolet (UV) photoresponse promising for potential applications as cost-effective UV detectors.

Cuvinte-cheie
Aspect ratio, cost effectiveness, Electric wire, Ion beams, Ion bombardment, Nanorods, nanostructures, Optical data processing, Optoelectronic devices, photodetectors, Zinc alloys, zinc oxide

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