Enhanced Hybridization and Nanopatterning via Heated Liquid-Phase Infiltration into Self-Assembled Block Copolymer Thin Films

Subramanian, Ashwanth; Tiwale, Nikhil; Doerk, Gregory; Kisslinger, Kim; Nam, Chang-Yong

doi:10.1021/acsami.9b16148

Title: Enhanced Hybridization and Nanopatterning via Heated Liquid-Phase Infiltration into Self-Assembled Block Copolymer Thin Films

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Abstract

Organic–inorganic hybrids featuring tunable material properties can be readily generated by applying vapor- or liquid-phase infiltration (VPI or LPI) of inorganic materials into organic templates, with resulting properties controlled by type and quantity of infiltrated inorganics. While LPI offers more diverse choices of infiltratable elements, it tends to yield smaller infiltration amount than VPI, but the attempt to address the issue has been rarely reported. Here in this paper, we demonstrate a facile temperature-enhanced LPI method to control and drastically increase the quantity and kinetics of Pt infiltration into self-assembled polystyrene-block-poly(2-vinylpyridine) block copolymer (BCP) thin films. By applying LPI at mildly elevated temperatures (40–80 °C), we showcase controllable optical functionality of hybrid BCP films along with conductive three-dimensional (3D) inorganic nanostructures. Structural analysis reveals enhanced metal loading into the BCP matrix at higher LPI temperatures, suggesting multiple metal ion infiltration per monomer of P2VP. Combining temperature-enhanced LPI with hierarchical multilayer BCP self-assembly, we generate BCP-metal hybrid optical coatings featuring tunable antireflective properties as well as scalable conductive 3D Pt nanomesh structures. Enhanced material infiltration and control by temperature-enhanced LPI not only enables tunability of organic–inorganic hybrid nanostructures and properties but also expands the application of BCPs for generating uniquely functionalmore » inorganic nanostructures.« less

Authors:

^[1]; Tiwale, Nikhil ^[2];

^[2]; Kisslinger, Kim ^[2];

^[3]

Stony Brook Univ., NY (United States)
Brookhaven National Lab. (BNL), Upton, NY (United States). Center for Functional Nanomaterials (CFN)
Brookhaven National Lab. (BNL), Upton, NY (United States). Center for Functional Nanomaterials (CFN); Stony Brook Univ., NY (United States)

Publication Date:: 2019-12-02

Research Org.:: Brookhaven National Lab. (BNL), Upton, NY (United States)

Sponsoring Org.:: USDOE Office of Science (SC), Basic Energy Sciences (BES)

OSTI Identifier:: 1607712

Report Number(s):: BNL-213753-2020-JAAM
Journal ID: ISSN 1944-8244

Grant/Contract Number:: SC0012704

Resource Type:: Accepted Manuscript

Journal Name:: ACS Applied Materials and Interfaces

Additional Journal Information:: Journal Volume: 12; Journal Issue: 1; Journal ID: ISSN 1944-8244

Publisher:: American Chemical Society (ACS)

Country of Publication:: United States

Language:: English

Subject:: 36 MATERIALS SCIENCE; Thin films; Platinum; Metals; Nanowires; Ions

Citation Formats


                    Subramanian, Ashwanth, Tiwale, Nikhil, Doerk, Gregory, Kisslinger, Kim, and Nam, Chang-Yong. Enhanced Hybridization and Nanopatterning via Heated Liquid-Phase Infiltration into Self-Assembled Block Copolymer Thin Films.  United States: N. p., 2019. 
Web.  doi:10.1021/acsami.9b16148.

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                    Subramanian, Ashwanth, Tiwale, Nikhil, Doerk, Gregory, Kisslinger, Kim, & Nam, Chang-Yong. Enhanced Hybridization and Nanopatterning via Heated Liquid-Phase Infiltration into Self-Assembled Block Copolymer Thin Films.  United States.  https://doi.org/10.1021/acsami.9b16148

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                    Subramanian, Ashwanth, Tiwale, Nikhil, Doerk, Gregory, Kisslinger, Kim, and Nam, Chang-Yong. Mon .  
"Enhanced Hybridization and Nanopatterning via Heated Liquid-Phase Infiltration into Self-Assembled Block Copolymer Thin Films".  United States.  https://doi.org/10.1021/acsami.9b16148.  https://www.osti.gov/servlets/purl/1607712.

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@article{osti_1607712,

  title        = {Enhanced Hybridization and Nanopatterning via Heated Liquid-Phase Infiltration into Self-Assembled Block Copolymer Thin Films},

  author       = {Subramanian, Ashwanth and Tiwale, Nikhil and Doerk, Gregory and Kisslinger, Kim and Nam, Chang-Yong},

  abstractNote = {Organic–inorganic hybrids featuring tunable material properties can be readily generated by applying vapor- or liquid-phase infiltration (VPI or LPI) of inorganic materials into organic templates, with resulting properties controlled by type and quantity of infiltrated inorganics. While LPI offers more diverse choices of infiltratable elements, it tends to yield smaller infiltration amount than VPI, but the attempt to address the issue has been rarely reported. Here in this paper, we demonstrate a facile temperature-enhanced LPI method to control and drastically increase the quantity and kinetics of Pt infiltration into self-assembled polystyrene-block-poly(2-vinylpyridine) block copolymer (BCP) thin films. By applying LPI at mildly elevated temperatures (40–80 °C), we showcase controllable optical functionality of hybrid BCP films along with conductive three-dimensional (3D) inorganic nanostructures. Structural analysis reveals enhanced metal loading into the BCP matrix at higher LPI temperatures, suggesting multiple metal ion infiltration per monomer of P2VP. Combining temperature-enhanced LPI with hierarchical multilayer BCP self-assembly, we generate BCP-metal hybrid optical coatings featuring tunable antireflective properties as well as scalable conductive 3D Pt nanomesh structures. Enhanced material infiltration and control by temperature-enhanced LPI not only enables tunability of organic–inorganic hybrid nanostructures and properties but also expands the application of BCPs for generating uniquely functional inorganic nanostructures.},

  doi          = {10.1021/acsami.9b16148},

  journal      = {ACS Applied Materials and Interfaces},

  number       = 1,

  volume       = 12,

  place        = {United States},

  year         = {2019},

  month        = {12}

}

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