磷化氢
碳纤维
磷
涂层
X射线光电子能谱
钝化
反应性(心理学)
化学
化学气相沉积
无机化学
分解
沉积(地质)
图层(电子)
化学工程
材料科学
催化作用
有机化学
复合材料
沉积物
生物
替代医学
古生物学
病理
医学
工程类
复合数
作者
Paige C. Kinsley,Aiping Zeng,Jenny Orbeck,Shaun Debow,Zachary Zander,Patrick J. Heaney,Robert J. Hamers
标识
DOI:10.1016/j.apsusc.2022.152791
摘要
Red phosphorus, when exposed to humid environments in air, breaks down into toxic phosphine gas and acidic phosphorus species, presenting a challenge for many applications, such as flame retardants or pyrotechnic obscurants. We have developed and characterized a method of plasma-deposited carbon to form a nanometer-thick, chemically stable carbon layer on red phosphorus particles to suppress phosphine and acidic phosphorus production. Using a combination of XPS surface analysis and a novel IR headspace analysis method, we developed and quantified an understanding of the reaction of red phosphorus with water vapor and the suppression of decomposition products using plasma-deposited carbon coatings. Phosphine production, quantified by IR, was accompanied by the formation of surface POx species produced as the particles react with water vapor. Increasing plasma deposition time increased thickness and uniformity of graphitic carbon coating, corresponding to a marked decrease in phosphine generation and formation of surface POx species.
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