Please use this identifier to cite or link to this item: http://cmuir.cmu.ac.th/jspui/handle/6653943832/50645
Title: Carboxymethyl cellulose-assisted hydrothermal synthesis of PbS with nano- And micro-crystals
Authors: Titipun Thongtem
Sulawan Kaowphong
Somchai Thongtem
Keywords: Chemical Engineering
Chemistry
Engineering
Materials Science
Physics and Astronomy
Issue Date: 1-Apr-2010
Abstract: PbS with nano- and micro-crystals was hydrothermally synthesized from Pb(NO 3) 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. Copyright © 2010 American Scientific Publishers All rights reserved.
URI: https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=77954972298&origin=inward
http://cmuir.cmu.ac.th/jspui/handle/6653943832/50645
ISSN: 15334880
Appears in Collections:CMUL: Journal Articles

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