surface functionalization – TechConnect Briefs

Functionalized Boron Nitride Nanotubes and their Polymer Nanocomposites

Guan J., Derdouri A., Ashrafi B., Benhalima A., Kim K.S., Kingston C.T., Simard B., National Research Council Canada, CA

Carbon nanotubes (CNTs) integrated polymer nanocomposites demonstrated promising trends to replace traditional metal materials for lightweighting applications. Similarly, boron nitride nanotubes (BNNTs), which are structurally analogous to CNTs, possess complimentary properties, including the optical transparency, [...]

Colloidal Palladium Nanoparticles versus Commercial Palladium Catalysts for Suzuki Cross Coupling Reactions – The Influence of Surface Functionalization

Collins G., ODywer C., Holmes J.D., University College Cork and Tyndall National Institute, IE

The Suzuki-Miyaura reaction is a highly utilised reaction for aryl-aryl bond formation in organic synthesis due it is versatility. The motivation for the application of heterogeneous catalysts in these systems is the easy recovery and [...]

Non-conductive ferromagnets based on core double-shell nanocomposites for radio-electric applications

Takacs H., Viala B., Hermán V., Tortai J.-H., Duclairoir F., Alarcon Ramos J., Jouneau P.-H., Okuno H., Tallec G., CEA, FR

We report a novel flexible nanotechnology for consumer product engineering as a complementary approach from solid-state manufacturing techniques based on metallic nanoparticles and graphene chemistries. We describe two chemical routes for producing closely-packed disordered assemblies [...]

Magnetic Nanoparticles for Radio Frequency Hyperthermia: Preparation and Surface Functionalization Effects on Cellular Uptake

Gilliland III S.E., Carpenter E.E., Shultz M.D., McGuire VA Medical Center, US

Iron oxide nanoparticles have received sustained interest for biomedical applications as synthetic approaches are continually developed for precise control of nanoparticle properties. This work presents an investigation of parameters in the benzyl alcohol synthesis of [...]

An Effective Dialysis Method for Surface Funtionalization of Nanoparticles in Liquid Phase – Sample: Porphyrine derivatives @ ZnO-Nanorods

Klaumünzer M., Münzel C., Burger A., Voigt M., Spiecker E., Hirsch A., Peukert W., University Erlangen-Nürnberg, DE

In order to optimizing electron transfer and optoelectronic properties in nanoparticulate thin films for electronics we report on an efficient and fast method for surface functionalizing semiconducting metal oxide nanoparticles in liquid phase using a [...]

Polymer Matrix Nanocomposites via Forest Derived Nanomaterials

Schueneman G.T., Mintz E.A., Cross L., USDA Forest Service Forest Products Laboratory, US

Trees are a likely source of bioderived nanomaterials for polymer matrix composites (PMCs). All trees and plants utilize a nanoscale fiber as a building block in their reinforcing phase. The presence of nanofiber in cell [...]

Polymer Matrix Nanocomposites via Forest Derived Nanomaterials

Schueneman G.T., Mintz E.A., Cross L., USDA Forest Service Forest Products Laboratory, US

Trees are a likely source of bioderived nanomaterials for polymer matrix composites (PMCs). All trees and plants utilize a nanoscale fiber as a building block in their reinforcing phase. The presence of nanofiber in cell [...]

Injection molded superhydrophobic surfaces

Søgaard E., Smistrup K., Taboryski R., Technical University of Denmark, DK

The Lotus effect is used as inspiration for the fabrication of injection molded (IM) hierarchical polymer surfaces with self-cleaning properties. IM is a widespread method for the fabrication of plastic items. Surface functionalization is traditionally [...]

Charge Confinement in Silicon Nanowires by Surface Functionalization

Shih Y.-C., Lee J-H., Lin C-T, Chen C-S, Wu K.-C., National Center for High-performance Computing, TW

Silicon nanowires (SiNWs) are expected to play an important role in nanotechnology because they possess remarkable physical property and compatibility with current Si-based fabrication. They have been successfully used in advance applications such as biosensors, [...]

Nanotube Grafting in Porous Solids for High Surface Devices

Mukhopadhyay S.M., Karumuri A., Barney I.T., Wright State University, US

Biological systems make use of hair and capillary type hierarchical structures to create more surface area in limited space, but very few synthetic materials use this concept. Geometrical calculations show that if hierarchical substrates are [...]