In this work, we investigate the use of a new low-cost gas sensor based on porous silicon to detect low concentration NO2 at room temperature. focused sensing properties two different types (PS) prepared by simple chemical method namely nano-porous (nano-PS) and macro-porous (macro-PS). The sensors are characterized pores size, thicknesses porosity. Electronic synthesized structures were studie...

Organometal halide perovskites are attracting great attention as promising material for solar cells because of their high power conversion efficiency. The high performance has been attributed to the existence of free charge carriers and their large diffusion lengths, but the nature of carrier transport at the atomistic level remains elusive. Here, nonadiabatic quantum molecular dynamics simulat...

Nano drug delivery system is the latest technology employed in various medicinal applications. This technology can be adapted to the conventional drug administration due to its site-specific targeting phenomena. The oral lipophilic drug administration has its drawbacks due to poor solubility and bioavailability. Lipid-based carrier systems are now widely popular due to improved efficiency, espe...

A model transistor is de ned and used to understand steady-state electron transport in nanoscale silicon transistors. For this model device, the electric eld pro le is xed and not computed self-consistently from the carrier density pro le. The current versus voltage (I-V) characteristics of the model device as well as the internal carrier density and velocity pro les are computed by solving the...

The azobenzene moiety, well-known not only for its reversible cis-to-trans photoisomerization but also as a hapten, does not induce antibodies on its own, but it reacts with antibodies raised against conjugates with protein carriers. Hence we selected azobenzene dye as an indicator to assess the possibility of having gold nano-particles act as an immunological carrier instead of protein carrier...

Drug delivery by micro- and nano-carriers enables controlled transport of pharmaceuticals to targeted sites. Even though carrier fabrication has made much progress recently, the delivery including controlled particle distribution and adhesion within the body remains a great challenge. The adhesion of carriers is strongly affected by their margination properties (migration toward walls) in the m...

PURPOSE Vitamin D, a liposoluble vitamin has many benefits on health. Encapsulation of bioactives in lipid-based carrier systems like nanoliposomes preserves their native properties against oxidation over time along with providing its stable aqueous dispersion. METHODS In the current study, vitamin D3 nanoliposomes were prepared using thin-film hydration-sonication method and fully characteri...

Carrier scatterings in the inversion channel of MOSFET dominates the carrier mobility and hence drain current. This paper presents an analytical model of the subthreshold drain current incorporating the effective electron mobility model of the pocket implanted nano scale n-MOSFET. The model is developed by assuming two linear pocket profiles at the source and drain edges at the surface and by u...

Cylindrical lens array (CLA) and plasmonic nano-grating structures were integrated with a large area interdigitated photoconductive antenna (PCA) for high-efficiency terahertz (THz) emitter applications. The peak-to-peak amplitude of THz radiation pulse from the CLA-integrated PCA was enhanced 5.5 times compared that conventional without CLA. highly localized electric field near nanoscale grati...

0009-2614/$ see front matter 2010 Elsevier B.V. A doi:10.1016/j.cplett.2010.11.069 ⇑ Corresponding author. E-mail address: [email protected] (P. Yang). 1 Present address: University of Michigan, Ann Arbo Radial p–n junction solar cells have been predicted theoretically to have better efficiencies than their planar counterparts due to a decrease in the distance required to collect minority car...