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      Thin film MoS2 nanocrystal based ultraviolet photodetector

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      Author
      Alkis, S.
      Öztaş, T.
      Aygün L.E.
      Bozkurt F.
      Okyay, Ali Kemal
      Ortaç, B.
      Date
      2012
      Source Title
      Optics Express
      Print ISSN
      10944087
      Publisher
      Optical Society of American (OSA)
      Volume
      20
      Issue
      19
      Pages
      21815 - 21820
      Language
      English
      Type
      Article
      Item Usage Stats
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      112
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      Abstract
      We report on the development of UV range photodetector based on molybdenum disulfide nanocrystals (MoS2-NCs). The inorganic MoS2- NCs are produced by pulsed laser ablation technique in deionized water and the colloidal MoS2-NCs are characterized by transmission electron microscopy, Raman spectroscopy, X-ray diffraction and UV/VIS absorption measurements. The photoresponse studies indicate that the fabricated MoS 2- NCs photodetector (MoS2-NCs PD) operates well within 300-400 nm UV range, with diminishing response at visible wavelengths, due to the MoS2- NCs absorption characteristics. The structural and the optical properties of laser generated MoS2-NCs suggest promising applications in the field of photonics and optoelectronics. © 2012 Optical Society of America.
      Keywords
      Deionized water
      Molybdenum
      Nanocrystals
      Optical properties
      Photodetectors
      Raman spectroscopy
      Transmission electron microscopy
      Water absorption
      X ray diffraction
      Absorption characteristics
      Absorption measurements
      Molybdenum disulfide
      Photoresponses
      Ultra-violet photodetectors
      Visible wavelengths
      Molybdenum compounds
      Permalink
      http://hdl.handle.net/11693/21329
      Published Version (Please cite this version)
      http://dx.doi.org/10.1364/OE.20.021815
      Collections
      • Department of Electrical and Electronics Engineering 3524
      • Institute of Materials Science and Nanotechnology (UNAM) 1775
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