Nanostructured Materials & Devices

Physical properties of silver nanowire networks

Giusti G., Lagrange M., Langley D.P., Collins R., Jiménez C., Anikin M., Bréchet Y., Bellet D., Laboratoire des Matériaux et du Génie Physique (LMGP), FR

Silver nanowires were formed into random networks by using spin coating and spray deposition techniques. As a first step, electro-optical properties were optimized using an optimal nanowire density. The latter also depended on the nanowire [...]

A Novel Silicon Nanowire-based Electron Detector Utilized in Scanning Electron Microscopes

Hajmirzaheydarali M., Akbari M., Mohajerzadeh S., University of Tehran, IR

Electron microscopes are the scientific tools which utilize highly energetic electron beam to overcome the light limitations in the study of specimen in nm scale. Electron detection has an important role in microscopic analysis and [...]

Granular magnetoresistance effects in systems with organic matrices

Meyer J., Schäfers M., Rempel T., Hütten A., Bielefeld University, DE

The granular giant magnetoresistance effect was originally studied in systems with ferromagnetic granules embedded in a metallic matrix. In contrast to previous systems, we have tested conductive nonmagnetic gels as matrices for the Co nanoparticles. [...]

The manifestation of the one-dimensional non-collinear spin-dependent scattering on magnetized nano-element structures

Sahakyan A.S., Movsesyan R.M., Kocharian A.N., California State University Los Angeles, US

The transfer-matrix approach is used to investigate the scattering of spin-polarized electron and neutron waves on the simple magnetized nanoelement structures which energetic profiles presents a finite potential magnetic barrier, in particular, of rectangular form. [...]

Synthesis and Magnetic Properties of Double Perovskite La2BMnO6 (B = Ni or Co) Nanoparticles

Mao Y., Parsons J.G., McCloy J.S., University of Texas-Pan American, US

Double perovskite oxides with the general formula AA’BB’O6 (where A and A’ are rare earth or alkaline earth metals, and B and B’ are d-block transition metals) display a wide variety of interesting physical properties [...]

Background free biosensor using the combination of graphene oxide and Fe3O4 nanoparticles

Cho S., Park L., Chung R., Lee J-H., Luminescent MD, LLC, US

Cost-effective and rapid biosensor with background free chemiluminescence (CL) detection was developed using ssDNA aptamer-conjugated 6-FAM fluorescein (DAF), graphene oxide bound with magnetic nanoparticle (GMN), and 3,4,5-trimethoxyphenylglyoxal (TMPG). When thrombin was incubated in TE buffer [...]

Combination of magnetic and non-magnetic graphene oxide to develop chemiluminescent aptasensor capable of rapidly quantifying tumor markers

Choi H-K, Park L., Kim J., Lee J-H., Luminescent MD, LLC, US

Rapid and sensitive chemiluminescent aptasensor capable of rapidly sensing tumor markers in human serum with the combination of magnetic and non-magnetic graphene oxide. Human serum (150 µl) containing tumor markers (e.g., AFP and PSA) was [...]

Flexible Nanoporous Anodic Aluminum Oxide(np-AAO) Template Coated with Self-Assembled Au Nanocrown Array for Photonic Switches

Hong C., Shew B.Y., National Synchrotron Radiation Research Center (NSRRC), TW

This study reports a nanoporous anodic aluminum oxide (named np-AAO) template coated with Au nanocrown array on PET substrate for photonic switching application (Fig.1). In this device, the Au nanocrown array for photonic switching are [...]

Novel, Flexible and Low-power Driven AC Electroluminescent Lamp from Carbon Nanotube Embedded Phosphor Material

Haranath D., Yadav D., Sahai S., Shanker V., CSIR-National Physical Laboratory, IN

 We present a novel, cost-effective and simple technique operable at room temperature, wherein a non-electroluminescent (non-EL) material is being converted to exhibit stable and efficient EL using CNTs.  The role of CNT has [...]

Polarization controllable laser-induced ripple structure in dye-doped liquid crystal films

Yu K-Y, Huang B-Y, Kuo C-T, National Sun Yat-San University, TW

The laser-induced ripple structure of dye-doped liquid crystals has been investigated with the various polarization of pump beam. The process of laser-induced ripple structure involves two stages, the dye adsorption on substrate and the ripple [...]

Different contribution of carbon nanotubes and graphene oxide in single nucleotide polymorphism for the diagnosis of human mad-cow disease

Choi W., Lee J-H., Luminescent MD, LLC, US

Rapid single nucleotide polymorphism (SNP) with 1,1’-oxalylimidazole chemiluminescence (ODI-CL) detection was developed for the early diagnosis of human mad-cow disease. Mutated single strand DNA (ssDNA) sequence discovered from patients having human mad-cow disease rapidly hybridize [...]

Effect of Electron Beam Irradiation on the Tensile Properties of Carbon Nanotube Sheets and Yarns

Williams T.S., Miller S.G., Baker J.S., McCorkle L.S., Meador M.A., NASA Glenn Research Center, US

Carbon nanotube sheets and yarns were irradiated using electron beam (e-beam) energy to determine the effect of irradiation dose on the tensile properties. Results showed that there was very little change in the tensile strength [...]

Breaking the symmetry of micro- and nanoobjects by bipolar electrochemistry

Roche J., Loget G., Fattah Z., Zigah D., Bouffier L., Kuhn A., Université de Bordeaux, ISM, UMR 5255, FR

Referring to the roman god Janus, depicted with two heads, Janus particles are defined as micro- or nano- particles owning two sides of different chemistry. They can be used as key-components in applications such as [...]

The Effects of Surface Treatments on the Growth of CNTs on 3-Dimensional Carbon Foam Structure

Quinton B.T., Zhang Q., Burke J., Leedy K., Tsao B., Scofield J., Merrett J.N., Yost K., Mukhopadhyay S.M., AFRL, US

Carbon nanotubes (CNTs) have been the focus of significant research since Iijma’s 1991 Nature article. CNTs have primarily been grown on flat substrates for a range of potential applications due to their superior properties. However,limited [...]

A Novel Technique for Depositing Vertically Aligned Molybdenum Oxide Nanoplates

Sharma R.K., Reddy G.B., Indian Institute of Technology Delhi, IN

Single crystalline, vertically aligned nanoplates of molybdenum trioxide (MoO3) were grown on the cobalt coated glass substrates by a simple sublimation process in the presence of oxygen plasma. Many research groups have reported the synthesis [...]

Spirofluoreneacridinone-Based Shape-Controlled Nanorods for Aqueous Phase Processing Light-Emitting Devices

Lin Z-Q, Liang J., Xie L-H, Huang W., Nanjing University of Posts & Telecommunications, CN

The unique cruciform-shaped spirocyclic aromatic hydrocarbons might provide a facile strategy to design the multi-dimensional nanostructure of organic semiconductors “bottom up”, which could be exploited as the building block for micro/nano optoelectronic devices. Over the [...]

Fluorescence Resonance Energy Transfer in Bioconjugated Quantum Dot-Dye systems

Khachatrian A., Melinger J.S., Jennings T.L., Susumu K., Huston A.L., Medintz I.L., Naval Research Laboratory, US

In this work we address the description of Fluorescence Resonance Energy Transfer (FRET) in a complex multivalent quantum dot (QD)/dye system by understanding how inhomogeneity affects the FRET dynamics of the acceptor dye molecules. Most [...]

Dendritic Oligoarilsilanes as Effective Nanostructured Luminophores for Spectral Shifters and Plastic Scintillators

Ponomarenko S.A., Borshchev O.V., Luponosov Y.N., Surin N.M., Muzafarov A.M., Institute of Synthetic Polymeric Materials of Russian Academy of Sciences, RU

During the last years the number of light-harvesting luminescent dendrimers has increased rapidly. One of the most interesting features of the dendrimers is a possibility of incorporation of different chromophores within one dendritic molecule that [...]

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