Metastable gamma-MnS hierarchical architectures: synthesis, characterization, and growth mechanism

The Journal of Physical Chemistry. B
Yuanhui ZhengChong Jia

Abstract

Preparation of shape-controlled metastable gamma-MnS semiconductor nanocrystals has been achieved on a large scale through a simple solvothermal method in the presence of PVP. The key strategy is the use of sulfur powder as sulfur source in ethylene glycol (EG) solvent that also acted as a weak reducing agent. Reaction parameters such as reaction time and temperature are found to be important in controlling various hierarchical architectures, such as homogeneous semi-hollow core-shell, hollow nanospheres, and nanowires. Transmission electron microscopy observations indicate that these hierarchical architectures are formed mainly via Ostwald ripening. The optical absorption measurements reveal that these novel architectures exhibit remarkable shift of absorption peak during the course of structural compaction and grain growth.

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Citations

Nov 11, 2008·Chemical Communications : Chem Comm·Hui ZhangDeren Yang
Jun 21, 2011·Chemical Communications : Chem Comm·Qiwei TianJunqing Hu
Sep 29, 2011·Environmental Microbiology·Ji-Hoon LeeJames K Fredrickson
Sep 22, 2018·Advanced Materials·Jiangyan WangDan Wang
Jul 30, 2014·Nanoscale·Xianhong RuiQingyu Yan
Feb 21, 2016·Journal of Materials Chemistry. B, Materials for Biology and Medicine·Bingxia ZhaoWanwan Li
Jun 28, 2008·Langmuir : the ACS Journal of Surfaces and Colloids·Mingyun GuanZheng Xu
Apr 2, 2010·ACS Applied Materials & Interfaces·Wen-Shou WangWen-Zhu Shao
Dec 13, 2012·Langmuir : the ACS Journal of Surfaces and Colloids·Xinyi YangBo Zou
Jan 8, 2014·ACS Applied Materials & Interfaces·Juan Beltran-HuaracGerardo Morell
Jan 25, 2020·ACS Applied Materials & Interfaces·Haoran NingMingyuan Gao
Dec 1, 2006·The Journal of Physical Chemistry. B·Yao ChengFeng Bao
Nov 17, 2006·Langmuir : the ACS Journal of Surfaces and Colloids·Chao Luo, Dongfeng Xue

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