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Exfoliation and Analysis of Large-area, Air-Sensitive Two-Dimensional Materials

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Published on: January 5, 2019

在厘米尺度上的中红外,光学活性黑色薄膜.

Naoki Higashitarumizu^1,2, Tetsuya Kawashima³, Thomas Smart⁴

¹Electrical Engineering and Computer Sciences, University of California, Berkeley, California 94720, United States.

|March 13, 2024

概括

研究人员开发了一种可扩展的方法,以创建高质量的黑 (BP) 薄膜,用于中红外光电子. 这种技术使用红色的高压转化,使得在芯片尺度设备中的新应用.

关键词:

黑色是一种黑色.高压合成的高压合成这是一个大规模的大型.中等红外辐射的发射.

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Published on: March 27, 2018

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
纳米技术纳米技术

背景情况:

黑 (BP) 是一个带间距窄的半导体 (∼0.3 eV),非常适合中红外光电子应用.
实现高质量,可扩展的BP薄膜仍然是设备制造的重大挑战.

研究的目的:

为光学活性黑 (BP) 薄膜开发可扩展的合成方法.
为了使集成光电子设备能够制造厘米尺度的BP薄膜.

主要方法:

无形红色的脉冲激光沉积.
高压 (∼8 GPa) 阶段转换为BP晶体.
热,以提高晶体质量.
使用平带式高压装置进行厘米尺度合成.

主要成果:

在厘米尺度上成功合成了光学活跃的BP膜.
实现了一个连续的BP薄膜,厚度约为18纳米.
在中红外波长观察到光发光辐射,表明良好的晶体质量.
证明了用于可扩展的BP片生产的高压转换的可行性.

结论:

提出的合成程序为获得光学质量的BP膜提供了一个有前途的途径.
这种方法促进了集成光电子设备的探索,包括发射中红外光的设备和摄像头.
能够实现芯片规模的应用,利用黑的独特特性.