常压下亚硝酸异戊酯的等离子聚合:气相分析和表面化学

IF 2.9 3区 物理与天体物理 Q2 PHYSICS, APPLIED Plasma Processes and Polymers Pub Date : 2024-01-29 DOI:10.1002/ppap.202300162
Yong Wang, Alexander J. Robson, Stephane Simon, Robert D. Short, James W. Bradley
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引用次数: 0

摘要

一氧化氮(NO)释放涂层在生物医学应用中具有广阔的前景,尤其是在植入物安全和伤口敷料方面,可促进愈合并减少细菌生长。然而,传统方法仍然难以生产出一氧化氮薄膜。在本研究中,使用氦气-亚硝酸异戊酯混合物在两种功率设置下生产出等离子聚合氮氧化物涂层,并沉积在铝样品上。通过质谱对等离子相进行分析,发现低功率时单体和准单体中存在亚硝基(O-N═O),而高功率时碎片率较高。制作了静态和非静态样品,并通过 X 射线光电子能谱进行分析,结果表明这两种功率条件下都存在这些基团,而最新功率条件下这些基团在样品中心的保留更好。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

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Plasma polymerization of isopentyl nitrite at atmospheric pressure: Gas phase analysis and surface chemistry
Nitric oxide (NO)-releasing coatings have promising potential for biomedical applications notably in implant safety and wound dressing by promoting healing and reducing bacterial growth. Yet, the production of NO-films remains difficult through classic approaches. In this study, plasma polymerized NO-coatings are produced using a helium-isopentyl nitrite mixture under two power settings and deposited on aluminum samples. Analyses of the plasma phase by mass spectroscopy reveal the presence of nitrosoxy groups (O–N═O) in monomer and quasi-monomer at low power, and a higher fragmentation rate at high power. Static and no-static samples are made and analyzed by X-ray photoelectron spectroscopy showing the presence of these group for both power conditions, with a better retention on the sample's center for the latest.
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来源期刊
Plasma Processes and Polymers
Plasma Processes and Polymers 物理-高分子科学
CiteScore
6.60
自引率
11.40%
发文量
150
审稿时长
3 months
期刊介绍: Plasma Processes & Polymers focuses on the interdisciplinary field of low temperature plasma science, covering both experimental and theoretical aspects of fundamental and applied research in materials science, physics, chemistry and engineering in the area of plasma sources and plasma-based treatments.
期刊最新文献
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