Special Issue "Surface Forces, Adhesion, and Friction"

A special issue of Colloids and Interfaces (ISSN 2504-5377).

Deadline for manuscript submissions: closed (30 September 2019).

Special Issue Editors

Prof. Dr. Rosa M. Espinosa-Marzal
E-Mail Website
Guest Editor
Department of Civil and Environmental Engineering, University of Illinois at Urbana−Champaign, Urbana 61801, Illinois, USA
Interests: friction; adhesion; lubrication; surface forces; nanotribology; tribochemistry; soft matter nanoconfinement; ionic liquids; hydrogels; surface forces apparatus
Special Issues and Collections in MDPI journals
Prof. Dr. Younjin Min
E-Mail Website
Guest Editor
Department of Polymer Engineering, The University of Akron, Akron, OH 44325, USA
Interests: surface engineering; wetting; adhesion; friction and wear; bio-inspired/sustainable coatings; dynamics of nanomaterials under nano-confinement; (nano)Rheology; biomechanics; biophysics; colloidal stabilization; adsorption and desorption; enhanced oil recovery
Prof. Dr. Seong H. Kim
E-Mail Website
Guest Editor
Department of Chemical Engineering and Materials Research Institute, The Pennsylvania State University, University Park, PA 16802, USA
Interests: tribology; Surface science and engineering; Glass surfaces; Plant cell walls; Cellulosic nanomaterials

Special Issue Information

Dear Colleagues,

We are pleased to invite you to contribute to a forthcoming special topic on “Surface Forces, Adhesion, and Friction” to be published in Colloids and Interfaces. This Special Issue will focus on the fundamental intermolecular and surface forces at multiple length scales ranging from nano- to macro-scale. Topics of interest will cover intermolecular forces at interfaces, adhesion, anti-adhesion (antifouling), friction, and tribology- and nanotribology-related subjects. Other relevant topics will include nanoscale organization and dynamics of confined molecules and particles at interfaces and in pores when the degree of confinement becomes comparable with the characteristic length scale of the confined molecules and particles.

Please review the journal’s instructions for authors before submitting. These instructions can be downloaded from the following link: https://www.mdpi.com/journal/colloids/instructions .

To submit your manuscript, please go to https://susy.mdpi.com/ . You will need to register, if you have not done so previously, then follow the on-screen instructions for Submitting a New Manuscript.

When submitted, your paper will be peer reviewed and you may be asked to make further revisions before acceptance. All manuscripts must be original and not previously published or under consideration for publication elsewhere.We would appreciate receiving your submission by September 30, 2019.

We plan to publish this Special Issue in December, 2019.

With best regards,

Prof. Dr. Rosa M. Espinosa-Marzal
Prof. Dr. Younjin Min
Prof. Dr. Seong H. Kim
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All papers will be peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Colloids and Interfaces is an international peer-reviewed open access quarterly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 1000 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • intermolecular forces
  • colloids
  • rheology and nanorheology
  • wetting
  • friction, adhesion, and molecular lubrication mechanisms
  • molecular and nanoparticle confinement
  • mineralization and crystallization via colloid assembly and attachment

Published Papers (1 paper)

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Review

Open AccessReview
Thickness and Structure of Adsorbed Water Layer and Effects on Adhesion and Friction at Nanoasperity Contact
Colloids Interfaces 2019, 3(3), 55; https://doi.org/10.3390/colloids3030055 - 06 Aug 2019
Abstract
Most inorganic material surfaces exposed to ambient air can adsorb water, and hydrogen bonding interactions among adsorbed water molecules vary depending on, not only intrinsic properties of material surfaces, but also extrinsic working conditions. When dimensions of solid objects shrink to micro- and [...] Read more.
Most inorganic material surfaces exposed to ambient air can adsorb water, and hydrogen bonding interactions among adsorbed water molecules vary depending on, not only intrinsic properties of material surfaces, but also extrinsic working conditions. When dimensions of solid objects shrink to micro- and nano-scales, the ratio of surface area to volume increases greatly and the contribution of water condensation on interfacial forces, such as adhesion (Fa) and friction (Ft), becomes significant. This paper reviews the structural evolution of the adsorbed water layer on solid surfaces and its effect on Fa and Ft at nanoasperity contact for sphere-on-flat geometry. The details of the underlying mechanisms governing water adsorption behaviors vary depending on the atomic structure of the substrate, surface hydrophilicity and atmospheric conditions. The solid surfaces reviewed in this paper include metal/metallic oxides, silicon/silicon oxides, fluorides, and two-dimensional materials. The mechanism by which water condensation influences Fa is discussed based on the competition among capillary force, van der Waals force and the rupture force of solid-like water bridge. The condensed meniscus and the molecular configuration of the water bridge are influenced by surface roughness, surface hydrophilicity, temperature, sliding velocity, which in turn affect the kinetics of water condensation and interfacial Ft. Taking the effects of the thickness and structure of adsorbed water into account is important to obtain a full understanding of the interfacial forces at nanoasperity contact under ambient conditions. Full article
(This article belongs to the Special Issue Surface Forces, Adhesion, and Friction)
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