Advanced Materials & Manufacturing – Page 110

Quantum-Confinement Effects on Oscillator Strength in ZnO Quantum Dots

Tit N., UAE University, AE

We present a theoretical investigation of the quantum confinement effects (QC) on the electronic and optical properties of ZnO quantum dots (QDs) embedded in MgO matrix. The latter material acts a huge barrier for both [...]

Study of the photocatalytic oxidation mechanism of 1,3-dihydroxyanthraquinone using DFT methodology

Cortés-Romero C.M., Cuán A., Solís H., Universidad Autónoma de Querétaro, MX

Chemical degradation of organic pollutants present not only in water but also in air and earth, has become the target of industrial and academic groups due to the negative impact that they have to the [...]

AFM-Based Fabrication of a Nanofluidic Device for Medical Applications

Promyoo R., El-Mounayri H., Karingula V.K., Varahramyan K., Indiana University Purdue University Indianapolis, US

Recent developments in science and engineering have advanced the atomic manufacturing of nanoscale structures, allowing for improved high-performance technologies. Among them, AFM-based nanomachining is considered a potential manufacturing tool for operations including machining, patterning, and [...]

Effect of UV radiation for thermal stability and decomposition products of ADVN

Tsai Y-T, Shu C-M., National Yunlin University of Science and Technology, TW

2,2’-Azobis(2,4-dimethyl)valeronitrile (ADVN), an azo compound, is widely used as free initiator for polymer industry due to its specific chemical structure, N-N bond, which can supply abundant free radical and high energy to promote cross-linking and [...]

Informatics, Modeling & Simulation

Energy and Charge Transfer between Quasi-zero-dimensional Nanostructures

Kral K., Mensik M., Institute of Physics, Academy of Sciences of Czech Republic, CZ

Theory is presented of the electronic excitation and electronic charge transfer between quantum dots. Kinetic equations describing this irreversible transfer are developed using quantum transport approach. The non-adiabatic property of the electron coupling to the [...]

Assessing chemical agent decontamination efficacy of a nanostructured fabric using headspace and split/splitless injection gas chromatography and mass spectrometry (GC-MS)

La Favors J.C., Baird L.M., Lippa T.P., The Johns Hopkins University Applied Physics Laboratory, US

Development of a multifunctional decontamination system embedded with nanoparticles for select agent capture and degradation upon UV exposure. Degradation products and decrease in agent concentrations evaluated by GC-MS.

First-Order-Reversal-Curve Analysis of Nano-composite Permanent Magnets

Dodrill B.C., Lake Shore Cryotronics, US

Rare-earth and ferrite permanent magnet materials are indispensable elements in many electronic devices such as electrical motors, hybrid vehicles, portable communications devices, speakers, sensors, etc. Owing to the decreased availability of, and increasing cost of [...]

Imaging and Analysis at the Harvard University Center for Nanoscale Systems

Magyar A., Harvard University, US

University-based shared experimental facilities are tremendous assets, serving the local academic needs as well as providing access to equipment and expertise for neighboring companies, both small and large. Properly managed, such a facility can serve [...]

Raman Spectroscopic Characterization of Carbon Nanotubes & Tungsten Oxide of Relevance to Energy Storage and Gas Sensing Applications

Misra P., Casimir D., Garcia-Sanchez R., Baliga S., Howard University, US

The characterization of graphitic and metal oxide nanomaterials through the use of Resonant Raman Spectroscopy at multiple laser excitations is the primary aim of this research. Raman spectroscopic techniques can help characterize the vibrational phonon [...]