缺陷功能化的形态,结构和光学性质的MnS纳入MoS异构:实验和理论见解
Mizanur Rahaman1, Md Jahidul Islam1, Khandker Saadat Hossain2
1Department of Physics, Bangladesh University of Engineering and Technology, Dhaka, Bangladesh.
Heliyon
|March 10, 2025
概括
研究人员使用热水方法合成了二硫化/硫化 (MoS2/MnS) 的纳米花. 这种MoS2/MnS复合材料具有较小的带隙和增强的光吸收,适用于各种应用.
科学领域:
- 材料科学 材料科学 材料科学
- 纳米技术 纳米技术
- 固态物理 固态物理
背景情况:
- 二硫化物 (MoS) 是一种具有有前途的电子和光学性能的分层材料.
- 结合其他材料可以为特定应用调整MoS2的特性.
研究的目的:
- 通过低成本的热水方法合成和描述MoS2/MnS纳米复合材料.
- 研究合成材料的结构,形态和光学特性.
- 探索MoS2/MnS纳米复合材料的潜在应用.
主要方法:
- 用于MoS2/MnS纳米复合材料制造的热水合成.
- 场发射扫描电子显微镜 (FE-SEM) 和传输电子显微镜 (TEM) 用于形态分析.
- 用X射线衍射 (XRD) 和拉曼光谱进行结构和界面相互作用分析.
- 紫外线-Vis光谱学和密度函数理论 (DFT) 用于光学属性研究.
主要成果:
- 成功合成了类似3D花的MoS/MnS纳米复合材料.
- XRD证实了格子应变和层间间距的增加.
- 拉曼光谱显示了界面相互作用和n型兴奋剂.
- 紫外线-Vis光谱显示频段间隙从1.68 eV减少到1.54 eV.
- DFT模拟预测可见和红外区域的增强光吸收.
结论:
- 水热合成为创建MoS2/MnS纳米复合材料提供了一个有效的途径.
- 加入MnS增强了MoS2的光学特性,包括减少带间隙和更广泛的光吸收.
- 开发的MoS2/MnS纳米复合材料显示了需要定制光学和电子性能的应用的潜力.
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