对MoS2-石墨烯垂直异构结构和MoS2-石墨烯-Au异构接口的光学和电子特性数据集
Sanju Gupta1,2, Panagiota Pimenidou3, Miguel Garcia4
1Department of Materials Science and Engineering, The Pennsylvania State University, University Park, PA 16802, (USA).
Data in brief
|August 21, 2023
概括
这项研究整合了计算和实验数据来分析二硫化物 (MoS2) - 石墨烯异构及其与黄金的接口. 结果透露了半导体n-p连接行为通过光学和电子属性变化.
科学领域:
- 材料科学 材料科学 材料科学
- 凝聚物质物理学 凝聚物质物理学
- 表面科学是一门学科.
背景情况:
- 二硫化物 (MoS2) 和石墨烯是具有独特电子和光学特性的关键二维材料.
- 这些材料的异构结构和接口对于先进的电子和光电子设备至关重要.
- 了解它们的结合性质对于新型设备应用至关重要.
研究的目的:
- 通过计算和实验来研究MoS2-石墨烯异构结构和MoS2-石墨烯-Au异构接口的结构,电子和光学特性.
- 为了全面理解,将理论计算与实验测量相关联起来.
- 阐明这些接口上的半导体n-p连接的形成.
主要方法:
- 使用独立粒子近似法 (IPA) 来计算结构性,电子性和光学性质 (介电函数,折射率,反射率,灭绝系数,能量损失函数) 的第一原则计算.
- 实验测量包括光发光 (PL) 光谱,拉曼光谱,工作功能分析和局部光导性.
- 制造和表征MoS2-石墨烯异构结构及其与金的接口.
主要成果:
- 对各种MoS2-石墨烯和MoS2-石墨烯-Au配置获得了结构性,电子性和光学性能的计算数据.
- 实验结果显示了激子波段 (PL),拉曼波段和跨界面的工作功能的变化.
- 当地光导度测量证实了半导体的行为.
结论:
- 综合计算和实验方法提供了对MoS2-石墨烯和MoS2-石墨烯-Au系统的详细了解.
- 观察到的光学和电子特性变化证实了在石墨烯-MoS2接口上形成半导体n-p连接点.
- 这些发现对下一代电子和光电子设备的开发具有重要意义.
相关概念视频
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