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Fabricating Near Infrared Photodetectors Utilizing PbSe Nanotubes

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PbSe nanotubes have been synthesized by a facile solution route at room temperature by using precursor nanowires as both lead source and template. The structure and morphology of as prepared samples were characterized by X-ray diffraction (XRD), transmission electron microscope (TEM) and high resolution TEM. Finally, PbSe based infrared photodetectors were fabricated by transferring PbSe nanotubes onto prefabricated gold interdigitated electrodes. The electrical properties of individual PbSe nanotube in dark and infrared light illumination have been examined by IV characteristics. Also, the devices present good switching properties by turning the infrared light on and off.
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Document Type: Research Article

Publication date: 2009-03-01

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  • Journal for Nanoscience and Nanotechnology (JNN) is an international and multidisciplinary peer-reviewed journal with a wide-ranging coverage, consolidating research activities in all areas of nanoscience and nanotechnology into a single and unique reference source. JNN is the first cross-disciplinary journal to publish original full research articles, rapid communications of important new scientific and technological findings, timely state-of-the-art reviews with author's photo and short biography, and current research news encompassing the fundamental and applied research in all disciplines of science, engineering and medicine.
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