Biomolecule-assisted hydrothermal synthesis and properties of manganese sulfide hollow microspheres

被引：6
|
作者：
Ma, Wei [1 ,2 ]
Chen, Gen [1 ]
Zhang, Dan [1 ]
Zhou, Kechao [2 ]
Qiu, Guanzhou [1 ]
Liu, Xiaohe [1 ,2 ]
机构：
[1] Cent S Univ, Dept Inorgan Mat, Changsha 410083, Hunan, Peoples R China
[2] Cent S Univ, State Key Lab Powder Met, Changsha 410083, Hunan, Peoples R China
来源：
JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS | 2012年 / 73卷 / 11期
基金：
中国国家自然科学基金;
关键词：
Chalcogenides; Nanostructures; Chemical synthesis; Crystal growth; Optical properties; OPTICAL-PROPERTIES; HYDROXIDE; NANOCRYSTALS; SPHERES; CDS;
D O I：
10.1016/j.jpcs.2012.06.008
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Gamma-manganese sulfide (gamma-MnS) hollow microspheres have been successfully synthesized via a biomolecule-assisted hydrothermal process in the presence of L-cysteine and urea at 180 degrees C for 24 h. In the synthesis system, L-cysteine was employed as not only a sulfur source, but also a coordination agent. The structure, morphology and optical properties of as-prepared products have been investigated by X-ray diffraction (XRD), scanning electron microscopy (SEM), energy-dispersive X-ray spectroscopy (EDS) and photoluminescence (PL) spectrum. Reaction parameters such as ratio of L-cysteine to urea, surfactants and reaction time played a significant role in controlling the morphology of as-prepared products. The probable formation mechanism of the gamma-MnS hollow microsphere was proposed on the basis of the experimental results. (C) 2012 Elsevier Ltd. All rights reserved.
引用
收藏
页码：1385 / 1389
页数：5
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