How Oxygen Absorption Affects the Al2O3-Encapsulated Blue Phosphorene–Au Alloy,Physica Status Solidi-Rapid Research Letters

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How Oxygen Absorption Affects the Al2O3-Encapsulated Blue Phosphorene–Au Alloy
Physica Status Solidi-Rapid Research Letters ( IF 2.5 ) Pub Date : 2021-05-26 , DOI: 10.1002/pssr.202100217
Gabriele Faraone _{1,

2} , Christian Martella ₁ , Emiliano Bonera ₂ , Alessandro Molle ₁ , Carlo Grazianetti ₁

Affiliation

The urgent quest to introduce the Xenes, a new family of graphene-like materials, into everyday technological devices furthers demands for a specific understanding of their reactivity to different environments. Herein, the role of oxygen on blue phosphorene fragments alloyed with the Au(111) substrate, the so-called BlueP–Au alloy, is investigated both on a microscopic scale and at the interface with Al₂O₃, commonly used to protect Xenes in ambient conditions. Although molecular oxygen does not affect the BlueP–Au alloy or intercalate below it, the role of oxygen is fundamental to relieve the charging effects at the very interface between Al₂O₃ and the BlueP–Au alloy when exposed to air. These findings highlight the importance of combining different tools, including microscopy and spectroscopy, to ascertain the stability of 2D materials in device-ready configurations.

中文翻译：

氧吸收如何影响 Al2O3 封装的蓝色磷烯 - 金合金

迫切需要将 Xene（一种新的类石墨烯材料）引入日常技术设备，这进一步要求对它们对不同环境的反应性有特定的了解。在此，氧对与 Au(111) 基底合金化的蓝色磷烯碎片的作用，即所谓的 BlueP-Au 合金，在微观尺度上和与 Al ₂ O ₃的界面上进行了研究，通常用于保护 Xene在环境条件下。尽管分子氧不会影响 BlueP-Au 合金或嵌入其下方，但氧的作用对于缓解 Al ₂ O ₃之间的界面处的充电效应至关重要。和 BlueP-Au 合金暴露在空气中时。这些发现强调了结合不同工具（包括显微镜和光谱学）来确定二维材料在设备就绪配置中的稳定性的重要性。

更新日期：2021-05-26

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