Biomolecule and surfactant-assisted hydrothermal synthesis of PbS crystals

被引：12
|
作者：
Thongtem, Titipun [1 ]
Kaowphong, Sulawan [2 ]
Thongtem, Somchai [2 ]
机构：
[1] Chiang Mai Univ, Fac Sci, Dept Chem, Chiang Mai 50200, Thailand
[2] Chiang Mai Univ, Fac Sci, Dept Phys, Chiang Mai 50200, Thailand
来源：
CERAMICS INTERNATIONAL | 2008年 / 34卷 / 07期
关键词：
hydrothermal synthesis; L-cysteine; N-cetyl pyridinium chloride; PbS crystals;
D O I：
10.1016/j.ceramint.2007.05.007
中图分类号：
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
PbS crystals were hydrothermally synthesized using Pb(NO3)(2), L-cysteine, and N-cetyl pyridinium chloride in solutions with different pH values at 140 degrees C. Flower-like, granular and truncated cubic PbS crystals composing of Pb and S were detected using an X-ray diffractometer (XRD), a scanning electron microscope (SEM), a transmission electron microscope (TEM), a selected area electron diffraction (SAED) technique and an energy dispersive X-ray (EDX) analyzer. In addition, a Raman spectrometer revealed the presence of the first and second overtone modes at 436 and 602 cm(-1), respectively. Emission spectra of the products were detected at 412 nm using a photoluminescence (PL) spectrometer. (C) 2007 Elsevier Ltd and Techna Group S.r.l. All rights reserved.
引用
收藏
页码：1691 / 1695
页数：5
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