Rapid Synthesis of Nanoporous Conformal Coatings via Plasma-Enhanced Sequential Infiltration of a Polymer Template

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This article reports a plasma-enhanced sequential infiltration synthesis (PE SIS) as a new platform toward deposition of nanoporous inorganic films.

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8 p.

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She, Yunlong; Lee, Jihyung; Diroll, Benjamin T.; Lee, Byeongdu; Aouadi, Samir; Shevchenko, Elena V. et al. November 10, 2017.

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This article reports a plasma-enhanced sequential infiltration synthesis (PE SIS) as a new platform toward deposition of nanoporous inorganic films.

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8 p.

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Abstract: Nanoporous conformal coating is an important class of materials for electrocatalysis, water purification, antireflective coatings, etc. Common synthesis methods of porous films often require harsh conditions (high temperature and high plasma power) or specific substrate materials. Here, we report a plasma-enhanced sequential infiltration synthesis (PE SIS) as a new platform toward deposition of nanoporous inorganic films. PE SIS is based on oxygen-plasma-induced rapid conversion of metal precursors selectively adsorbed in a blockcopolymer template. Porosity and thickness of resulting materials can be easily controlled by characteristics of the template. PE SIS is conducted under gentle conditions, and can be applied to a broad range of substrates, including water-sensitive surfaces. PE SIS offers adventurous rapid infiltration with improved ability to obtain highly interconnected porous alumina films with thicknesses up to 5 μm. We show that full infiltration of the polar domain of the polymer template can be achieved upon initial exposure to TMA, followed by its oxygen-plasma-induced conversion into a functional material. Since different types of plasma (such as oxygen, nitrogen, hydrogen, etc.) induce conversion of a broad rangeof metal precursors, PE SIS opens a new approach for synthesis of highly porous materials with various elemental compositions and stoichiometries.

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  • ACS Omega, 2(11), American Chemical Society, November 10, 2017, pp. 1-8

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  • Publication Title: ACS Omega
  • Volume: 2
  • Pages: 8
  • Page Start: 7812
  • Page End: 7819
  • Peer Reviewed: Yes

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  • September 5, 2017

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  • November 1, 2017

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  • November 10, 2017

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  • Nov. 30, 2017, 9:17 a.m.

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  • Nov. 16, 2023, 10:24 a.m.

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She, Yunlong; Lee, Jihyung; Diroll, Benjamin T.; Lee, Byeongdu; Aouadi, Samir; Shevchenko, Elena V. et al. Rapid Synthesis of Nanoporous Conformal Coatings via Plasma-Enhanced Sequential Infiltration of a Polymer Template, article, November 10, 2017; Washington, DC. (https://digital.library.unt.edu/ark:/67531/metadc1042604/: accessed June 18, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT College of Engineering.

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