ZnO – Page 2 – TechConnect Briefs

Simultaneous Desulfurization and Particulate Removal with ZnO Dispersed Ceramic Filters at High Temperatures

Wang H.P., National Cheng Kung University, TW

Flue gas cleaning at high temperatures can increase thermal efficiency with more importantly to simplify processes and lower cost. The main objective of this work was to investigate the feasibility of simultaneous desulfurization and particulate [...]

Simultaneous Desulfurization and Particulate Removal with ZnO Dispersed Ceramic Filters at High Temperatures

Wang H.P., National Cheng Kung University, TW

Flue gas cleaning at high temperatures can increase thermal efficiency with more importantly to simplify processes and lower cost. The main objective of this work was to investigate the feasibility of simultaneous desulfurization and particulate [...]

Electronic Structure and Band Gap Engineering of ZnO-based Semiconductor Alloy Films

Liu P-L, Shao P-T, National Chung Hsing University, TW

We conduct first-principles total-energy density functional calculations to study the band structures and atomic structures in ZnO and Zn0.5M0.5O alloys using the planewave projector augmented-wave (PAW) method with the Heyd-Scuseria-Ernzerhof (HSE) hybrid functional. We find [...]

Finite Element Modeling and Simulation of Piezoelectric Energy Harvesters Fabricated in CMOS Technology

Mok A., Tigli O., University of Miami, US

Here we present a micron scale piezoelectric energy harvester fabricated in a commercial Complementary Metal Oxide Semiconductor (CMOS) technology. It is a trilayer cantilever model clamped on one end. The dimensions of this cantilever are [...]

Solution Growth of Nanostructured Ceramic Films

Cho J., State Univ of New York (SUNY) at Binghamton, US

Low-temperature processing that can lead to the development of highly-functional, strain-tolerant ceramic films will offer innovative solutions for the use of ceramic thin films and coatings. Current developments in organic and flexible electronics make the [...]

Cytotoxic studies of PEG functionalized ZnO Nanoparticles on MCF-7 cancer cells

Rodriguez Martinez C., Ramirez Vick J.E., Perales O., Singh S.P., University of Puerto Rico-Mayagüez, US

Nanoparticles have shown great promise in biomedical applications. Zinc oxide (ZnO) nanoparticles are being explored for various applications such as sun screen lotion, antimicrobial properties, advanced textiles, photodynamic therapy and electronic devices. We have synthesized [...]

Self-assembly of Nanostructured ZnO-based Homojunction by Two-step Method

Changand Y.Q., Lu Y.D., Guo J.L., Cui X.D., Yang L., Wang Y.W., Long Y., University of Science and Technology of Beijing, CN

In this work, self-assembly of radial nanostructured ZnO homojunction were synthesized by a kind of two-step method. A supplementary growth mechanism is used to explain the formation of nanostructured ZnO homojunction. Photoluminescence (PL) spectra reveals [...]

New Fluorescent Hybrid Materials Comprising Quantum Dots, Organic Fluorophores and Natural Fibre Substrates

Zeller A.J., Johnston J.H., Victoria University of Wellington, NZ

The nanotechnology research presented here deals with the development and characterisation of new fluorescent hybrid materials comprising quantum dots and organic fluorophores respectively with wool and paper fibres that exhibit tuneable optical fluorescence and electronic [...]

Hydrothermal Synthesis and Properties of Hierarchical ZnO and Eu-doped ZnO 3D Structures

Verissimo C., Abbaspourrad A., Sunter K., Capasso F., Moshkalev S., Weitz D., University of Campinas - UNICAMP, BR

Hierarchical oxide nanostructures are very promising materials for different applications, such as gas sensing, due to their high surface area. Literature shows that hierarchical nanostructures improve gas sensing response and response speed. This effect is [...]

Attachment of Quantum dots and gold nano particles on ZnO nanorods and nanotubes

Hari P., Seay J., Liang H., The University of Tulsa, US

ZnO nanorods grown by hydrothermal technique are of great interest for potential applications in photovoltaic and optoelectronic devices. In this study we investigate the Optimization of the optical absorption properties by a wet chemical bath [...]