为了大规模整合MoS2/石墨烯异构与ALD培养的MoS2
Bérangère Hyot1, Clotilde Ligaud1, Tae Jin Yoo1
1Univ. Grenoble Alpes, CEA, Leti, F-38000 Grenoble, France.
Nanotechnology
|January 11, 2024
概括
研究人员开发了二硫化物 (MoS2) /石墨烯光探测器的晶圆尺度制造. 这种可扩展的过程实现了与实验室规模设备相比较的高性能,为传感器中的二维材料集成铺平了道路.
科学领域:
- 材料科学 材料科学 材料科学
- 纳米技术纳米技术
- 光电学是指光电子产品.
背景情况:
- 像二硫化 (MoS2) 和石墨烯这样的二维 (2D) 材料为先进的光电探测器提供了独特的特性.
- 以前的研究集中在单一设备制造上,限制了实际应用.
- 可扩展的制造对于现实世界采用基于二维材料的设备至关重要.
研究的目的:
- 评估MoS2/石墨烯垂直异构结构的晶圆尺度制造工艺.
- 为大规模制造实现CMOS兼容的造一体化.
- 为了在制造的光探测器中展示高性能和可重复性.
主要方法:
- 利用原子层沉积在8英寸的晶片上进行大规模的MoS2生长.
- 将MoS2层转移到4英寸的石墨烯基晶圆上.
- 集体制造的MoS2/石墨烯光电晶体管,其最小通道长度为10微米.
主要成果:
- 实现了MoS2/石墨烯光电晶体管的晶圆尺度制造.
- 证明了50A/W的高光响应性.
- 在多个设备中,在660nm下达到10nW的显著灵敏度.
结论:
- 开发的制造工艺使2D异构结构的晶圆尺度集成成为可能.
- 设备的性能与实验室规模的设备相美,这表明它适合商业应用.
- 这项工作为在光电子设备和传感器中大规模集成二维异构铺平了道路.
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