Papers:
Adhesion of Water on Flat Polymer Surfaces and Superhydrophobic Surfaces
The interaction of water droplet with flat polymer surfaces of varying hydrophobicity (contact angle) has been studied using a high-sensitivity microelectromechanical balance system (tensiometer). Both attractive force and pull-off force are studied as the water [...]
Biofouling control coatings utilizing VOC free biodegradable chitothane and nanotubes containing non-toxic natural product repellents
Novel water based biofouling control coating based on natural marine polysaccharides and novel naturally occuring nanoscale microcylinders for the delivery of natural antifouling repellent analogs for control of biofouling on surfaces.
Nanoscale Silver Coatings on Synthetic Fibers
Amberg M., Körner E., Hegemann D., Heuberger M., Empa, Swiss Federal Laboratories for Materials Testing and Research, CH
In this work, we present two different low-pressure plasma processes that are used to obtain nanoscale coatings on the special geometry of fibers. A 100-200nm thick smooth silver coating is produced and its electromechanical as [...]
A Generalised Approach for the Surface Engineering of Nanoparticles in Suspension for Highly Efficient Hybrid Capture of Bio-molecules
A generalised method of surface engineering of nanoparticles in suspension has been reported using a novel strategy “Tri-phasic reverse Emulsion” or TPRE. In this method, the surface functionalisation of nanopaticles can be controlled by controlling [...]
Fabrication of superhydrophobic nanostructured films by Physical Vapour Deposition
This work reports on recent advances in the deposition of non-wettable coatings with high water contact angles (WCAs). We propose a simple and easily-controlled method for fabricating different types of nanoestructured films with hydrophobic properties [...]
Development of Durable Nanostructured Superhydrophobic Self-Cleaning Surfaces in Glass Substrates
Superhydrophobic self-cleaning surfaces have wide applications in architectural and automotive windows and solar panels, etc. Many existing hydrophobic coatings either have low transmittance which is not suitable for windows or not as hydrophobic as lotus [...]
Superhydrophobic coating using metallic nanorods for aerospace applications
Kannarpady G.K., Lefrileux Y., Laurent T., Woo J., Khedir K.R., Ishihara H., Trigwell S., Ryerson C., Biris A.S., University of Arkansas at Little Rock, US
The paper presents a novel technique that combines anodization and glancing angle sputtering deposition to generate nanorods of Aluminum. The nanorod surface coated with a monolayer of a silane exhibited contact angle of 155 degree [...]
Durable Super-Hydrophobic Nano-Composite Films
A new durable super-hydrophobic coating has been invented that protects cell phones and other portable electronic products from water or other liquid damage. The printed circuit boards of these consumer oriented products are placed into [...]
Tunable Wetting of Titanium and Gold Based Wicking Materials
We quantitatively report the experimental super-wetting results of wicking materials fabricated with bulk titanium micromachining, nano-scale surface modification and gold plating techniques. The results show all the four samples are completely wettable with water but [...]
Self Assembly of Colloidal Gold Nanoparticles on Diblock Copolymer Thin Film Templates
Self-assembly of metallic nanoparticles were investigated for the development of field-enhanced chemical and biological detection devices with the capacity to achieve single-molecule level detection resulting from surface enhanced Raman scattering, associated with closely spaced noble [...]
Non-Silicone Based Nano Thickness Coating to Improve Protein Compatibility
Medical devices have relied to a large extent on silicone oil surface treatment. A drawback of silicone oil is that it may induce aggregation of proteins in vivo or in vitro. The conformational change of [...]
Transparent Conducting Films of Antimony-Doped Tin Oxide with Uniform Mesostructure Assembled from Pre-formed Nanocrystals
Müller V., Rathousky J., Fattakhova-Rohlfing D., J. Heyrovsky Institute of Physical Chemistry, Academy of Sciences of the Czech Republic, CZ
Transparent conducting films of antimony-doped tin oxide (ATO) with a uniform 3D-mesostructure were prepared by self-assembly of crystalline ATO nanoparticles with various antimony content directed by commercially available Pluronic copolymers. The mesostructure of the films [...]
Correlation between the oxygen content and the structure of AlCrSiOxN(1-x) thin films deposited by pulsed DC magnetron sputtering
Due to their good mechanical properties as well as high temperature oxidation resistance, multi element oxynitride thin films have attracted more attention for applications in cutting and forming tools. Nanocomposite coatings represent a new generation [...]
Mesoporous TiO2 hollow spheres on a DSSC photoanode
To enhance solar energy efficiency of a dye-sensitized solar cell (DSSC), high crystallinity mesoporous TiO2 hollow spheres (MHS-TiO2) have been coated on the photoanode. The MHS-TiO2 was prepared by calcination of the Ti(OBu)4 coated mesoporous [...]
Electronic properties control of single-walled carbon nanotube using spontaneous redox process of MnO4- and carbon nanotube
We investigated the effectiveness of electronic properties with single-walled carbon nanotube through spontaneous redox-reaction between the metal oxide ion such as MnO4- and carbon nanotube. The SWCNTs synthesized by the arc discharge method were used. [...]
Dry native protein assays on on 3D and 2D substrates by non-contact Laser-Induced-Forward Transfer LIFT process
Genov S., Thurow I., Riester D., Borchers K., Hirth T., Weber A., Tovar G.E.M., University of Stuttgart & Fraunhofer Gesellschaft, DE
To produce nano-scale native protein trehalose patterns on 3D and 2D substrates in constant concentration by Laser-Induced-Forward Transfer (LIFT), ultrathin coatings on LIFT targets are needed [1]. The LIFT process is used as a non-contact [...]
Novel Metal Oxide Deposition Method to Fabricate Nanostructures
Mansouri M.R., Mansouri R., Sandooghchian M., Mansouri M.R., Mansouri R., Kerman Semiconductor Company and university of Payem -e- Noor, IR
by this project deposition of metal oxide like SnO2 was deposited on Si wafer by applying novel developed method and then ZnO pudgy nanopillars were fabricated on the very deposited layer. this new developed approach [...]
Rhodamine B degradation efficiency of differently annealed titanium dioxide nanotubes
This paper presents an investigation over the photoefficiency of nanotubular titanium dioxide films in the degradation of organic pollutants: rhodamine B was chosen as model reactant. The effects of thermal treatments in several atmospheres on [...]
Control of solid surface properties by electron beam processing
The effect of electron beam treatment upon various materials (oxides, sulfides, ceramics, polymers) is studied to clarify the general features of chemical reactions involving surface functional groups in correlation with the process parameters. The mechanisms [...]
Fabrication and assembly of nanowrinkle patterns on metallic surface: a nonlithography method for nano fabrication
Ordered periodic nanostructures have shown its great importance in both fundamental research and practical use. Motivated by wrinkles, which are ubiquitous in nature, artificial patterns with micro periods were fabricated in stiff/soft bilayer. Compare to [...]
Simple Fabrication of Hierarchical Structures on a Polymer Surface
In this study, inspired by multiscale structures found in nature like lotus leaf we will try to make multiscale structures on polymer surfaces to make their surface superhydrophobe. We introduce a novel and effective method [...]
The Nanophysics of TiO2/Au Model Catalyst as a Key to Understanding the High Efficiency of Real Au/TiO2 Catalyst and Technological Consequences
Tvauri I.V., Remar D.F., Turiev A.M., Tsidaeva N.I., Fukutani K., Magkoev T.T., University of North Ossetia, RU
Interaction of carbon monoxide and oxygen on the surface of titania/Au(111) inverse model catalyst held at 200 K has been studied by a set of surface science techniques. It was found that CO adsorbs on [...]
Atmospheric Plasma Surface Modification of Polytetrafluoroethylene Films for Metal Deposition
This work details the use of atmospheric-pressure dielectric barrier discharge plasmas to enhance the adhesion of thin metal coatings to PTFE films. Differences in energetic plasma species have a pronounced effect on resulting wettability. Increased [...]
Bio-Molecules Immobilization on Nanowire Electronic Devices
Nano-scale Field Effect Transistor based devices (nano-FETs) have shown great promise in bio-molecular detection. The advantages of using electronic nano-devices verses using conventional bio-detection methods are: direct detection without labeling, ultra-sensitivity without amplification and simple [...]
Chemical structure of ZnO nanorod array on a DSSC photoanode
Chang Y-H, Liao C-Y, Wang H.P., Wei Y-L, Fukushima Y., Guo T-F, Chiang Y-F, National Cheng Kung University, TW
The main objective of the present work was to study speciation of ZnO nanorods and the photoexcited electron transfer between photosensitive dyes and the ZnO nanorod arrays (Fig. 1) on the photoanode of a dye-sensitized [...]
An experimental and theoretical study of the inhibition mechanism of organic substances in concrete
Diamanti M.V., Ormellese M., Perez-Rosales E.A., Pedeferri MP., Raffaini G., Ganazzoli F., Politecnico di Milano, IT
Corrosion inhibitors are one of the preventative techniques used to prevent chloride-induced corrosion in reinforced concrete structures. Several commercial inhibitors are available on the market, but their efficiency as well as their inhibitive mechanism are [...]
Thin-Film Deposition on Nanoparticles in Low-Pressure Plasma
To achieve the desirable optical, mechanical, thermal, and electrical properties that are unattainable in the nanoparticles alone, Matsoukas group uses plasma enhanced chemical vapor deposition technique, PECVD. Particles are introduced into two different reactors that [...]
Journal: TechConnect Briefs
Volume: 1, Nanotechnology 2010: Advanced Materials, CNTs, Particles, Films and Composites
Published: June 21, 2010
Industry sector: Advanced Materials & Manufacturing
Topics: Advanced Materials for Engineering Applications, Coatings, Surfaces & Membranes
ISBN: 978-1-4398-3401-5