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

页码：1691 / 1695

页数：5

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