Development of oxidized sulfur polymer films through a combination of plasma polymerization and oxidative plasma treatment

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dc.contributor.authorAkhavan, Ben_AU
dc.contributor.authorJarvis, Ken_AU
dc.contributor.authorMajewski, PJen_AU
dc.date.accessioned2015-12-27T23:14:41Zen_AU
dc.date.available2015-12-27T23:14:41Zen_AU
dc.date.issued2014-01-29en_AU
dc.date.statistics2015-12-19en_AU
dc.description.abstractA novel two-step process consisting of plasma polymerization and oxidative plasma treatment is introduced in this article for the first time for the fabrication of −SOx(H)-functionalized surfaces. Plasma-polymerized thiophene (PPT) was initially deposited onto silicon wafers and subsequently SOx(H)-functionalized using air or oxygen plasma. The effectiveness of both air and oxygen plasma treatments in introducing sulfur–oxygen groups into the PPT film was investigated as the plasma input specific energy and treatment time were varied. The surface chemistries of untreated and treated PPT coatings were analyzed by X-ray photoelectron spectroscopy (XPS) and time-of-flight secondary ion mass spectroscopy (ToF-SIMS), whereas spectroscopic ellipsometry was used to evaluate the film thickness and ablation rate. Surface chemistry analyses revealed that high concentrations of −SOx(H) functionalities were generated on the surface upon either air or oxygen plasma treatment. It was found that, at low plasma input energies, the oxidation process was dominant whereas, at higher energies, ablation of the film became more pronounced. The combination of thiophene plasma polymerization and air/oxygen plasma treatment was found to be a successful approach to the fabrication of −SOx(H)-functionalized surfaces. © 2014, American Chemical Society.en_AU
dc.identifier.citationAkhavan, B., Jarvis, K., & Majewski, P. (2014). Development of oxidized sulfur polymer films through a combination of plasma polymerization and oxidative plasma treatment. Langmuir, 30(5), 1444-1454. doi:10.1021/la4045489en_AU
dc.identifier.govdoc6344en_AU
dc.identifier.issn0743-7463en_AU
dc.identifier.issue5en_AU
dc.identifier.journaltitleLangmuiren_AU
dc.identifier.pagination1444-1454en_AU
dc.identifier.urihttp://pubs.acs.org/doi/abs/10.1021/la4045489en_AU
dc.identifier.urihttp://apo.ansto.gov.au/dspace/handle/10238/6477en_AU
dc.identifier.volume30en_AU
dc.language.isoenen_AU
dc.publisherAmerical Chemial Societyen_AU
dc.subjectPlasmaen_AU
dc.subjectSiliconen_AU
dc.subjectEnergyen_AU
dc.subjectOxygenen_AU
dc.subjectThiopheneen_AU
dc.subjectPolymerizationen_AU
dc.titleDevelopment of oxidized sulfur polymer films through a combination of plasma polymerization and oxidative plasma treatmenten_AU
dc.typeJournal Articleen_AU
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