• Boundary flow on end-grafted PEG brushes 

      Charrault, E.; Lee, T.; Easton, C.D.; Neto, Chiara
      Published 2015-12-18
      We investigated the boundary conditions for flow of a Newtonian liquid over soft interfaces by measuring hydrodynamic drainage forces with colloid probe atomic force microscopy in a viscous liquid. The investigated soft ...
      Open Access
      Article
    • Chain Collapse and Interfacial Slip of Polystyrene Films in Good/ Nonsolvent Vapor Mixtures 

      Al-Khayat, O.; Geraghty, K.; Shou, K.; Nelson, A.; Neto, Chiara
      Published 2016-02-08
      We investigated the dynamics and morphology of dewetting of metastable polystyrene films (thickness 75− 500 nm) cast on silicon substrates, upon exposure to vapors of a mixture of toluene, a good solvent, and ethanol, a ...
      Open Access
      Article
    • Control of nanoparticle formation using the constrained dewetting of polymer brushes 

      Lee, Thomas; Hendy, Shaun C.; Neto, Chiara
      Published 2015-01-14
      We have used coarse-grained molecular dynamics simulations to investigate the use of pinned micelles formed by the constrained dewetting of polymer brushes to act as a template for nanoparticle formation. The evaporation ...
      Open Access
      Article
    • Durable Superhydrophobic Surfaces Via Spontaneous Wrinkling of Teflon 

      Scarratt, L.R.J.; Hoatson, B.S.; Wood, E.S.; Hawkett, B.S.; Neto, Chiara
      Published 2016-02-24
      We report the fabrication of both single-scale and hierarchical superhydrophobic surfaces, created by exploiting the spontaneous wrinkling of a rigid Teflon AF film on two types of shrinkable plastic substrates. Sub-100 ...
      Open Access
      Article
    • Functional patterned coatings by thin polymer film dewetting 

      Telford, Andrew M.; Thickett, S.C.; Neto, Chiara
      Published 2017-07-04
      An approach for the fabrication of functional polymer surface coatings is introduced, where micro-scale structure and surface functionality are obtained by means of self-assembly mechanisms. We illustrate two main applications ...
      Open Access
      Article
    • The Good the Bad and the Slippery: A Tale of Three Solvents in Polymer Film Dewetting 

      Al-Khayat, Omar; Hong, Jun Ki; Geraghty, Kieran; Neto, Chiara
      Published 2016-09-01
      We investigated the dynamics and morphology of dewetting of bilayers of thin polymer films, made of a top poly(4-vinylpyridine) (P4VP) film on a polystyrene film on silicon substrates, upon exposure to vapors of binary and ...
      Open Access
      Article
    • Guiding the Dewetting of Thin Polymer Films by Colloidal Imprinting 

      Ghezzi, Manuel; Wang, P-Y.; Kingshott, P.; Neto, Chiara
      Published 2015-04-21
      Micropatterned surfaces are important in many biomedical and bioengineering applications, such as the development of biosensors. An approach for the creation of ordered surface patterns, fabricated combining colloidal ...
      Open Access
      Article
    • High Glass Transition Temperature Fluoropolymers for Hydrophobic Surface Coatings via RAFT Copolymerization 

      Rowe, M.; Teo, G.; Horne, J.; Al-Khayat, Omar; Neto, Chiara; Thickett, Stuart C.
      Published 2016-02-24
      The preparation of polymer thin films or surface coatings that display a static water contact angle .958 often requires hierarchical roughness features or surface functionalization steps. In addition, inherently hydrophobic ...
      Open Access
      Article
    • Interfacial slip on rough, patterned and soft surfaces: A review of experiments and simulations 

      Lee, Thomas; Charrault, Eric; Neto, Chiara
      Published 2014-02-22
      Advancements in the fabrication of microfluidic and nanofluidic devices and the study of liquids in confined geometries rely on understanding the boundary conditions for the flow of liquids at solid surfaces. Over the past ...
      Open Access
      Article
    • Mechanical properties of Ropaque hollow nanoparticles 

      Zhu, Liwen; Nguyen, Duc; Davey, Tim; Baker, Matthew; Such, Chris; Hawkett, Brian; Neto, Chiara
      Published 2017-10-15
      The elastic properties and strength upon compression of commercial Ropaque polystyrene hollow particles were investigated by atomic force microscopy (AFM). These particles are commonly used in paints as opacifying agents, ...
      Open Access
      Article
    • Mechanical properties of Ropaque hollow nanoparticles 

      Zhu, Liwen; Nguyen, Duc; Davey, Tim; Baker, Matthew; Such, Chris; Hawkett, Brian; Neto, Chiara
      Published 2017-10-15
      The elastic properties and strength upon compression of commercial Ropaque polystyrene hollow particles were investigated by atomic force microscopy (AFM). These particles are commonly used in paints as opacifying agents, ...
      Open Access
      Article
    • Micropatterned Surfaces for Atmospheric Water Condensation via Controlled Radical Polymerization and Thin Film Dewetting 

      Wong, I.; Teo, G.H.; Neto, Chiara; Thickett, S.C.
      Published 2015-09-15
      Inspired by an example found in nature, the design of patterned surfaces with chemical and topographical contrast for the collection of water from the atmosphere has been of intense interest in recent years. Herein we ...
      Open Access
      Article
    • Mimicking the Wettability of the Rose Petal using Self-assembly of Waterborne Polymer Particles 

      Telford, Andrew Michael; Hawkett, B.S.; Such, C.; Neto, Chiara
      Published 2013-07-23
      In this work, we present a novel platform to synthesize polymeric “raspberry” particles and explore their use to fabricate surfaces with low wettability and high water adhesion, resembling the properties of naturally ...
      Open Access
      Article
    • Patterned chemisorption of proteins by thin polymer film dewetting 

      Lim, S.K.; Perrier, S.; Neto, Chiara
      Published 2013-01-10
      The covalent attachment of proteins and their patterning on surfaces are important in the bio-medical industry, for use in applications such as bio-sensing and biocompatible medical devices. In this work, proteins are ...
      Open Access
      Article
    • Patterned polymer coatings increase the efficiency of dew harvesting 

      Al-Khayat, Omar; Hong, Jun Ki; Beck, David M.; Minett, Andrew I.; Neto, Chiara
      Published 2017-02-22
      Micropatterned polymer surfaces, possessing both topographical and chemical characteristics, were prepared on three-dimensional copper tubes and used to capture atmospheric water. The micropatterns mimic the structure on ...
      Open Access
      Article
    • Protein Micropatterns by PEG Grafting on Dewetted PLGA Films 

      Ghezzi, Manuel; Thickett, S.C.; Telford, A.M.; Easton, C.D.; Meagher, L.; Neto, Chiara
      Published 2014-09-08
      The ability to control protein and cell positioning on a microscopic scale is crucial in many biomedical applications, such as single cell studies. We have developed and investigated the grafting of poly(ethylene glycol) ...
      Open Access
      Article
    • A review on the mechanical and thermodynamic robustness of superhydrophobic surfaces 

      Scarratt, Liam R.J.; Steiner, Ullrich; Neto, Chiara
      Published 2017-05-30
      Advancements in the fabrication and study of superhydrophobic surfaces have been significant over the past 10 years, and some 20 years after the discovery of the lotus effect, the study of special wettability surfaces can ...
      Open Access
      Article
    • Robust grafting of PEG-methacrylate brushes from polymeric coatings 

      Telford, A.M.; Meagher, L.; Neto, Chiara
      Published 2013-08-11
      A study is presented of the grafting of poly(ethylene glycol)methyl ether methacrylate (PEGMA) from polymeric macroinitiator films to form well-defined polymer brushes, using activators generated/regenerated by electron ...
      Open Access
      Article
    • Tunable Nanopatterns via the Constrained Dewetting of Polymer Brushes 

      Lee, T.; Hendy, S.C.; Neto, Chiara
      Published 2013-07-29
      Coarse-grained molecular dynamics simulations were used to investigate the mor- phology and dynamics of nano-patterns formed by grafted polymer brushes on a non- adsorbing substrate as a result of constrained dewetting. ...
      Open Access
      Article
    • Waterborne all-polymeric colloidal 'raspberry' particles with controllable hydrophobicity and water droplet adhesion properties 

      Telford, Andrew M.; Easton, Chris D.; Hawkett, Brian S.; Neto, Chiara
      Published 2016-01-29
      Wepresent a superhydrophobic coating made fromwaterborne, all-polymeric ‘raspberry’ particles, composed of a micrometric spherical core decorated with a corona of nanometric spherical particles. As-cast particles produced ...
      Open Access
      Article