biomimetic superhydrophobic surfaces with

Surfaces and Interfaces of Biomimetic Superhydrophobic

6 3 3 Bacterial adhesions on superhydrophobic surfaces 7 Smart biomimetic superhydrophobic materials with switchable wettability 7 1 pH-responsive wettable materials 7 2 Photo-induced self-cleaning properties 7 3 Solvent-responsive wettable materials

Biomimetic superhydrophobic surfaces by combining mussel

Superhydrophobic surfaces on PET textiles were fabricated by combined bioinspiration from the strong adhesion of marine mussels and the two-scale structure of lotus leaves under mild conditions Dopamine can spontaneously polymerize in alkaline aqueous solution to form a thin adhesive layer of polydopamine (PDA) wrapping on the micro-scale fibers

Roughness optimization for biomimetic superhydrophobic

Jul 15 2005High roughness may lead to composite solid–liquid–air interface which may be either stable or unstable A comprehensive analytical model is proposed to provide a relationship between local roughness and contact angle which is used to develop roughness distribution and to create biomimetic superhydrophobic surfaces

Fabrication of biomimetic superhydrophobic surfaces

Inspired by the self-cleaning lotus leaf and silver ragwort leaf here we demonstrate the fabrication of biomimetic superhydrophobic fibrous mats viaelectrospinning polystyrene (PS) solution in the presence of silica nanoparticles The resultant electrospun fiber surfaces exhibited a fascinating structure with the combination of nano-protrusions and numerous grooves due to the rapid phase

REVIEW Engineering biomimetic superhydrophobic surfaces

Engineering biomimetic superhydrophobic surfaces of electrospun nanomaterials 513 Figure 2 Superhydrophobic surfaces inspired by lotus leaf (a) Lotus leaves show self-cleaning properties note that dust is accumulated in the water droplet at the center of the leaves SEM images of surface structures on the lotus leaf with low (b) and (c)

Superhydrophobic Biomimetic Surfaces with High and Low

Superhydrophobic Biomimetic Surfaces with High and Low Adhesion Optical Transmittance and Nanoscale Mechanical Wear Resistance DISSERTATION Presented in Partial Fulfillment of the Requirements for the Degree Doctor of Philosophy in the Graduate School of The Ohio State University By Daniel R Ebert Graduate Program in Mechanical Engineering

Biomimetic Superhydrophobic Surfaces: Multiscale Approach

Aug 17 2007Micro- and macrodroplet evaporation and condensation upon micropatterned superhydrophobic surfaces built of flattop pillars are investigated with the use of an environmental scanning electron microscope It is shown that the contact angle hysteresis depends upon both kinetic effects at the triple line and adhesion hysteresis (inherently present even at a smooth surface) and

Fabrication of Superhydrophobic Wood Surface by Etching

Superhydrophobic treatment of wood surfaces can effectively prevent the contact between the external moisture and wood which improves the service life of the wood In this study different rough surfaces of wood were constructed derived from the self-polymerization of dopamine (DA) in weak base solution to form a polydopamine (PDA) coating and the deprotonation of the PDA coating in a strong

Surfaces and Interfaces of Biomimetic

6 3 Solid–Solid Adhesion of Superhydrophobic Surfaces 179 6 3 1 Protein Adsorption on Superhydrophobic Surfaces 179 6 3 2 Cell Adhesion on Superhydrophobic Surfaces 181 6 3 3 Bacterial Adhesions on Superhydrophobic Surfaces 181 6 4 183Summary Referencse 184 7 Smart Biomimetic Superhydrophobic Materials with Switchable Wettability 191

Fabrication of Superhydrophobic Wood Surface by Etching

Superhydrophobic treatment of wood surfaces can effectively prevent the contact between the external moisture and wood which improves the service life of the wood In this study different rough surfaces of wood were constructed derived from the self-polymerization of dopamine (DA) in weak base solution to form a polydopamine (PDA) coating and the deprotonation of the PDA coating in a strong

Biomimetic robust superhydrophobic stainless

Sep 15 2019Biomimetic robust superhydrophobic stainless-steel surfaces with antimicrobial activity and molecular dynamics simulation Superhydrophobic surface is known to possess a high degree of water repellency which enables dirt particles to be carried away while the liquid droplet rolls off

Bouncing Dynamics of Impact Droplets on the Biomimetic

Biomimetic Plane and Convex Superhydrophobic Surfaces with Dual-Level and Three-Level Structures Zhongxu Lian 1 Jinkai Xu 1 Wanfei Ren 1 Superhydrophobic surface with reduced contact time can be attributed to a macro-structure on the surface or some new materials [10–13]

A biomimetic surface with switchable contact angle and

Recently superhydrophobic surfaces with switchable wettability have attracted much attention The ability to control the contact angle and adhesion of the multifunctional smart surface will be more beneficial to meet the complex practical applications but until now this has been a challenge Inspi

Biomimetic superhydrophobic surfaces by combining mussel

Jul 29 2015Surface modification plays an important role in combining the functionality of different materials or tuning the properties of a single surface and bioinspired modification of surfaces has attracted considerable interest [1–7] One typical example is biomimetic fabrication of artificial lotus leaves with superhydrophobic properties which requires the combination of a specific surface

Superhydrophobic antiadhesive and antireflective

Superhydrophobic antiadhesive and antireflective surfaces mediated by hybrid biomimetic salvinia leaf with moth-eye structures Cho-Yun Yang1 Yu-Lin Tsai 2 Cho-Yu Yang 1 Cheng-Kuo Sung * Peichen Yu and Hao-Chung Kuo2 1Department of Power Mechanical Engineering National Tsing Hua University Hsinchu 30013 Taiwan R O C 2Department of Photonics and Institute of Electro-Optical

Measuring air layer volumes retained by submerged floating

Some plants and animals feature superhydrophobic surfaces capable of retaining a layer of air when submerged under water Long-term air retaining surfaces (Salvinia-effect) are of high interest for biomimetic applications like drag reduction in ship coatings of up to 30%

Inkjet printing for direct micropatterning of a

The preparation of biomimetic superhydrophobic surfaces with hydrophilic micro-sized patterns is highly desirable but a one-step mask-free method to produce such surfaces has not previously been reported We have developed a direct method to produce superhydrophilic micropatterns on superhydrophobic surfac

Surfaces and Interfaces of Biomimetic Superhydrophobic

A comprehensive and systematic treatment that focuses on surfaces and interfaces phenomena inhabited in biomimetic superhydrophobic materials offering new fundamentals and novel insights As such this new book covers the natural surfaces fundamentals fabrication methods and exciting applications of superhydrophobic materials with particular attention paid to the smart surfaces that

Biomimetics

Biomimetics or biomimicry is the emulation of the models systems and elements of nature for the purpose of solving complex human problems The terms biomimetics and biomimicry derive from Ancient Greek: βίος (bios) life and μίμησις () imitation from μιμεῖσθαι (mīmeisthai) to imitate from μῖμος (mimos) actor A closely related field is bionics

Surfaces and Interfaces of Biomimetic

6 3 Solid–Solid Adhesion of Superhydrophobic Surfaces 179 6 3 1 Protein Adsorption on Superhydrophobic Surfaces 179 6 3 2 Cell Adhesion on Superhydrophobic Surfaces 181 6 3 3 Bacterial Adhesions on Superhydrophobic Surfaces 181 6 4 183Summary Referencse 184 7 Smart Biomimetic Superhydrophobic Materials with Switchable Wettability 191

Artificial (Biomimetic) Superhydrophobic Surfaces

Abstract Artificial (biomimetic) superhydrophobic surfaces utilizing the Lotus effect are reviewed in this chapter First modern ways of production of superhydrophobic surfaces are discussed including lithography deposition stretching itching evaporation sol-gel and others

Surfaces and Interfaces of Biomimetic Superhydrophobic

6 3 3 Bacterial adhesions on superhydrophobic surfaces 7 Smart biomimetic superhydrophobic materials with switchable wettability 7 1 pH-responsive wettable materials 7 2 Photo-induced self-cleaning properties 7 3 Solvent-responsive wettable materials

Artificial (Biomimetic) Superhydrophobic Surfaces

Artificial (biomimetic) superhydrophobic surfaces utilizing the Lotus effect are reviewed in this chapter First modern ways of production of superhydrophobic surfaces are discussed including lithography deposition stretching itching evaporation sol-gel and others The variety of materials used to make superhydrophobic surfaces (metals

Bouncing Dynamics of Impact Droplets on the Biomimetic

Biomimetic Plane and Convex Superhydrophobic Surfaces with Dual-Level and Three-Level Structures Zhongxu Lian 1 Jinkai Xu 1 Wanfei Ren 1 Superhydrophobic surface with reduced contact time can be attributed to a macro-structure on the surface or some new materials [10–13]

Bouncing Dynamics of Impact Droplets on the Biomimetic

Bouncing dynamics of impact droplets on the superhydrophobic surfaces wereinvestigated and the results indicated that the contact time of plane superhydrophobic surface with a three-level structure was minimal which is 60 4% less than the plane superhydrophobic surface with dual-level structure

A high

Mar 06 2020Meanwhile improving the surface roughness of the friction layer also enhances hydrophobicity [54–56] Therefore an easy-to-operate peeling method was utilized in this work to obtain a superhydrophobic friction layer SEM images in figures 6(a 1)–(e 2) show surface morphologies of different electrospun PVDF mats without and with peeling

Superhydrophobic and superhydrophilic plant surfaces: an

Apr 28 2009In future superhydrophobic air-retaining surfaces which reduce drag during movement in water might be a smart solution for energy-saving surfaces such as the walls of pipes or boats (Nosonovsky Bhushan 2008b) Figure 9 A biomimetic superhydrophobic surface of

Superhydrophobic Biomimetic Surfaces with High and Low

Superhydrophobic Biomimetic Surfaces with High and Low Adhesion Optical Transmittance and Nanoscale Mechanical Wear Resistance DISSERTATION Presented in Partial Fulfillment of the Requirements for the Degree Doctor of Philosophy in the Graduate School of The Ohio State University By Daniel R Ebert Graduate Program in Mechanical Engineering

Biomimetics

Biomimetics or biomimicry is the emulation of the models systems and elements of nature for the purpose of solving complex human problems The terms biomimetics and biomimicry derive from Ancient Greek: βίος (bios) life and μίμησις () imitation from μιμεῖσθαι (mīmeisthai) to imitate from μῖμος (mimos) actor A closely related field is bionics

Roughness optimization for biomimetic superhydrophobic

Jul 15 2005High roughness may lead to composite solid–liquid–air interface which may be either stable or unstable A comprehensive analytical model is proposed to provide a relationship between local roughness and contact angle which is used to develop roughness distribution and to create biomimetic superhydrophobic surfaces