Fabricating Near Infrared Photodetectors Utilizing PbSe Nanotubes
Abstract: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 I–V characteristics. Also, the devices present good switching properties by turning the infrared light on and off.
Document Type: Research Article
Publication date: March 1, 2009
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