{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,11,28]],"date-time":"2025-11-28T12:28:28Z","timestamp":1764332908202,"version":"3.41.2"},"reference-count":43,"publisher":"American Vacuum Society","issue":"3","funder":[{"DOI":"10.13039\/501100000925","name":"National Health and Medical Research Council","doi-asserted-by":"publisher","award":["APP1122825"],"award-info":[{"award-number":["APP1122825"]}],"id":[{"id":"10.13039\/501100000925","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100000925","name":"National Health and Medical Research Council","doi-asserted-by":"publisher","award":["APP1032738"],"award-info":[{"award-number":["APP1032738"]}],"id":[{"id":"10.13039\/501100000925","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["pubs.aip.org"],"crossmark-restriction":true},"short-container-title":[],"published-print":{"date-parts":[[2020,5,1]]},"abstract":"<jats:p>The stable nitroxide radical TEMPO [(2,2,6,6-Tetramethylpiperidin-1-yl)oxyl] has a multitude of applications in fields ranging from energy storage to biomedical applications and many more. However, to date, the processes of incorporating nitroxide radicals into thin-film coatings are laborious and not cost-effective, which hinders their wider use in many applications. In contrast, the authors have recently demonstrated the facile method of plasma polymerization of TEMPO into thin-film coatings that retain the stable nitroxide radicals. In this work, we are using three types of mass spectroscopic methods (plasma-mass spectrometry, time of flight secondary ion mass spectrometry, and high-performance liquid chromatography-mass spectrometry) and electron spin resonance to track the fate of the TEMPO molecule from monomer flask through the plasma and inside the resulting coatings. The results of this study demonstrate that TEMPO is a versatile monomer that can be used across different plasma reactors and reliably retain the stable nitroxide radical in the resulting thin-film coatings if certain process conditions are observed, namely, higher process pressures and lower powers.<\/jats:p>","DOI":"10.1116\/6.0000259","type":"journal-article","created":{"date-parts":[[2020,6,26]],"date-time":"2020-06-26T12:40:26Z","timestamp":1593175226000},"update-policy":"https:\/\/doi.org\/10.1063\/aip-crossmark-policy-page","source":"Crossref","is-referenced-by-count":4,"title":["To be a radical or not to be one? The fate of the stable nitroxide radical TEMPO [(2,2,6,6-Tetramethylpiperidin-1-yl)oxyl] undergoing plasma polymerization into thin-film coatings"],"prefix":"10.1116","volume":"15","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-9095-0602","authenticated-orcid":false,"given":"Thomas Danny","family":"Michl","sequence":"first","affiliation":[{"name":"School of Engineering, University of South Australia 1 , Mawson Lakes 5095, Australia"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9262-6750","authenticated-orcid":false,"given":"Dung Thuy Thi","family":"Tran","sequence":"additional","affiliation":[{"name":"School of Engineering, University of South Australia 1 , Mawson Lakes 5095, Australia"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Kilian","family":"B\u00f6ttle","sequence":"additional","affiliation":[{"name":"School of Engineering, University of South Australia 1 , Mawson Lakes 5095, Australia"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Hannah Frederike","family":"Kuckling","sequence":"additional","affiliation":[{"name":"School of Engineering, University of South Australia 1 , Mawson Lakes 5095, Australia"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Aigerim","family":"Zhalgasbaikyzy","sequence":"additional","affiliation":[{"name":"School of Engineering, University of South Australia 1 , Mawson Lakes 5095, Australia"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Barbora","family":"Ivanovsk\u00e1","sequence":"additional","affiliation":[{"name":"School of Engineering, University of South Australia 1 , Mawson Lakes 5095, Australia"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-7704-092X","authenticated-orcid":false,"given":"Alex Anthony","family":"Cavallaro","sequence":"additional","affiliation":[{"name":"School of Engineering, University of South Australia 1 , Mawson Lakes 5095, Australia"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Maria Antonia","family":"Araque Toledo","sequence":"additional","affiliation":[{"name":"School of Engineering, University of South Australia 1 , Mawson Lakes 5095, Australia"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Patrick James","family":"Sherman","sequence":"additional","affiliation":[{"name":"School of Engineering, University of South Australia 1 , Mawson Lakes 5095, Australia"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1711-8032","authenticated-orcid":false,"given":"Sameer A.","family":"Al-Bataineh","sequence":"additional","affiliation":[{"name":"Future Industries Institute, University of South Australia 2 , Mawson Lakes 5095, Australia"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3534-4754","authenticated-orcid":false,"given":"Krasimir","family":"Vasilev","sequence":"additional","affiliation":[{"name":"School of Engineering, University of South Australia 1 , Mawson Lakes 5095, Australia"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"20","published-online":{"date-parts":[[2020,6,26]]},"reference":[{"key":"2024031517201109900_c1","doi-asserted-by":"crossref","first-page":"78","DOI":"10.1533\/9780857094902","article-title":"4\u2014Surface-initiated polymerisation for nanocoatings","volume-title":"Nanocoatings and Ultra-Thin Films","author":"Makhlouf","year":"2011"},{"key":"2024031517201109900_c2","doi-asserted-by":"publisher","first-page":"3116","DOI":"10.1039\/c3gc41459k","volume":"15","year":"2013","journal-title":"Green Chem."},{"key":"2024031517201109900_c3","doi-asserted-by":"publisher","first-page":"7096","DOI":"10.1021\/acsami.8b21073","volume":"11","year":"2019","journal-title":"ACS Appl. 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