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Carboxymethyl Cellulose-Assisted Hydrothermal Synthesis of PbS with Nano- and Micro-Crystals

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PbS with nano- and micro-crystals was hydrothermally synthesized from Pb(NO3)2 and thiosemicarbazide using carboxymethyl cellulose (CMC) as a template at 140, 180 and 200 °C for 12 h. CMC, NaOH and hydrothermal temperatures have the influence on the product morphologies characterized using a scanning electron microscope (SEM) and a transmission electron microscope (TEM). PbS (cubic) composing of Pb and S was detected using an X-ray diffractometer (XRD), a selected area electron diffraction (SAED) technique and an energy dispersive X-ray (EDX) analyzer. The interpreted patterns are in accordance with those of the simulations. Raman spectrometer revealed the presence of the vibration modes at 136, 278, 432, 602 and 967 cm−1. Emission spectra of the products were detected at 384–388 nm using a photoluminescence (PL) spectrometer.
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Document Type: Research Article

Publication date: 2010-04-01

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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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