Search Results - "Wazzan, A.A."

A strategy for ultrasensitive and selective detection of methylamine using p-type Cr2O3: Morphological design of sensing materials, control of charge carrier concentrations, and configurational tuning of Au catalysts by Kim, Tae-Hyung, Yoon, Ji-Wook, Kang, Yun Chan, Abdel-Hady, Faissal, Wazzan, A.A., Lee, Jong-Heun

“…•Highly sensitive trimethylamine sensor using Au-loaded Cr2O3 yolk-shell spheres.•High response is explained by electronic and chemical sensitization of Au…”
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Highly sensitive and selective detection of ppb-level NO2 using multi-shelled WO3 yolk–shell spheres by Kim, Jun-Sik, Yoon, Ji-Wook, Hong, Young Jun, Kang, Yun Chan, Abdel-Hady, Faissal, Wazzan, A.A., Lee, Jong-Heun

“…•WO3 yolk–shell spheres were prepared by one-pot spray pyrolysis reaction.•Triple-shelled WO3 spheres showed high response and selectivity to sub-ppm NO2.•High…”
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Highly selective and sensitive xylene sensors using Cr2O3-ZnCr2O4 hetero-nanostructures prepared by galvanic replacement by Kim, Jae-Hyeok, Jeong, Hyun-Mook, Na, Chan Woong, Yoon, Ji-Won, Abdel-Hady, Faissal, Wazzan, A.A., Lee, Jong-Heun

“…•Highly selective xylene sensor using Cr2O3-ZnCr2O4 hetero-nanostructure.•Preparation of Cr2O3-ZnCr2O4 hetero-nanostructure via galvanic replacement…”
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Vapor-phase growth of urchin-like Mg-doped ZnO nanowire networks and their application to highly sensitive and selective detection of ethanol by Kwak, Chang-Hoon, Woo, Hyung-Sik, Abdel-Hady, Faissal, Wazzan, A.A., Lee, Jong-Heun

“…•Mg-doped ZnO nanowires were grown using MgO-seeded vapor phase reaction.•The doping of MgO significantly enhanced the response and selectivity to ethanol.•MgO…”
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Highly sensitive and selective detection of ppb-level NO 2 using multi-shelled WO 3 yolk–shell spheres by Kim, Jun-Sik, Yoon, Ji-Wook, Hong, Young Jun, Kang, Yun Chan, Abdel-Hady, Faissal, Wazzan, A.A., Lee, Jong-Heun

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Using Polypyrrole Coating for Improving the Corrosion Resistance of Steel Buried in Corrosive Mediums by El-Shazly, A.H., Wazzan, A.A.

“…This work investigates the possibility of improving the corrosion resistance of buried steel by coating it with polypyrrole (PPy) layer. The potentiostatic…”
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Investigation for the Possibility of Improving the Reinforced Concrete Corrosion Resistance Using Polyaniline Coated Steel by El-Shazly, A.H., Wazzan, A.A., Radain, T.A.

“…This work investigates the possibility of improving the corrosion resistance of reinforced concrete against corrosive mediums mainly represented by chloride…”
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Toughened carbon/epoxy composites made by using core/shell particles by Day, R.J., Lovell, P.A., Wazzan, A.A.

“…Toughened epoxy resin composites have been prepared by resin-transfer moulding by using a range of toughening agents. Two types of epoxy-functional preformed…”
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Thermal and mechanical characterization of epoxy resins toughened using preformed particles by Day, R J, Lovell, P A, Wazzan, A A

“…Preformed, multilayer particles have been used to toughen an epoxy resin. The particles were formed by emulsion polymerization and consist of alternate glassy…”
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