Search Results - "Shortell, Matthew P."

Small Gold Nanoparticles as Crystallization “Catalysts”: Effect of Seed Size and Concentration on Au-ZnO Hetero Nanoparticles by Fernando, Joseph F. S, Shortell, Matthew P, Vernon, Kristy C, Jaatinen, Esa A, Waclawik, Eric R

“…This work reports the effect of seed nanoparticle size and concentration effects on heterogeneous crystal nucleation and growth in colloidal suspensions. We…”
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Photocatalysis with Pt–Au–ZnO and Au–ZnO Hybrids: Effect of Charge Accumulation and Discharge Properties of Metal Nanoparticles by Fernando, Joseph F. S, Shortell, Matthew P, Firestein, Konstantin L, Zhang, Chao, Larionov, Konstantin V, Popov, Zakhar I, Sorokin, Pavel B, Bourgeois, Laure, Waclawik, Eric R, Golberg, Dmitri V

“…Metal–semiconductor hybrid nanomaterials are becoming increasingly popular for photocatalytic degradation of organic pollutants. Herein, a seed-assisted…”
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Controlling Au Photodeposition on Large ZnO Nanoparticles by Fernando, Joseph F. S, Shortell, Matthew P, Noble, Christopher J, Harmer, Jeffrey R, Jaatinen, Esa A, Waclawik, Eric R

“…This study investigated how to control the rate of photoreduction of metastable AuCl2 – at the solid–solution interface of large ZnO nanoparticles (NPs)…”
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Using pulse transit delay in Z-scan to discriminate between excited-state absorption and other nonlinear processes in ZnO nanocones by Shortell, Matthew P, Jaatinen, Esa A, Chang, Jin, Waclawik, Eric R

“…We report a new approach that uses the single beam Z-scan technique, to discriminate between excited state absorption (ESA) and two and three photon nonlinear…”
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Accurate determination of nonlinear refraction in ZnO and Au composite nanostructures by Walden, Sarah L., Fernando, Joseph F. S., Shortell, Matthew P., Jaatinen, Esa A.

“…It is now well established that the nonlinear optical properties of ZnO nanoparticles can be significantly enhanced by coupling them to metallic nanoparticles…”
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Multi-angle fluorometer technique for the determination of absorption and scattering coefficients of subwavelength nanoparticles by Shortell, Matthew P, Hewins, Rodney A, Fernando, Joseph F S, Walden, Sarah L, Waclawik, Eric R, Jaatinen, Esa A

“…A thorough analysis of the resonance light scattering (RLS) technique for quantitative scattering measurements of subwavelength nanoparticles is reported. The…”
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ZnO Colloid Crystal Facet-Type Determines both Au Photodeposition and Photocatalytic Activity by De Corrado, James M, Fernando, Joseph F. S, Shortell, Matthew P, Poad, Berwyck L. J, Blanksby, Stephen J, Waclawik, Eric R

“…This study investigated the crystal facet-dependence of the photochemical deposition of Au onto four differently shaped ZnO colloids; hexagonal-based…”
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Accurate Measurement of the Molecular Thickness of Thin Organic Shells on Small Inorganic Cores Using Dynamic Light Scattering by Shortell, Matthew P, Fernando, Joseph F. S, Jaatinen, Esa A, Waclawik, Eric R

“…Dynamic light scattering (DLS) has become a primary nanoparticle characterization technique with applications from material characterization to biological and…”
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Nonlinear Absorption and Fluorescence in ZnO and ZnO-Au Nanostructures by Walden, Sarah L., Fernando, Joseph F. S., Shortell, Matthew P., Waclawik, Eric R., Jaatinen, Esa A.

“…This paper investigates whether coupling gold nanoparticles to nanostructured zinc oxide enhances fluorescence emission, to produce efficient nanoscale UV…”
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Formation of One-Dimensional Capped ZnO Nanoparticle Assemblies at the Air/Water Interface by Shortell, Matthew P, Liu, Hong-Wei, Zhu, Huaiyong, Jaatinen, Esa A, Waclawik, Eric R

“…The self-assembling behavior and microscopic structure of zinc oxide nanoparticle Langmuir−Blodgett monolayer films were investigated for the case of zinc…”
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Combining Ultrasound Pulse-Echo and Transmission Computed Tomography for Quantitative Imaging the Cortical Shell of Long-Bone Replicas by Shortell, Matthew P., Althomali, Marwan A. M., Wille, Marie-Luise, Langton, Christian M.

“…We demonstrate a simple technique for quantitative ultrasound imaging of the cortical shell of long-bone replicas. Traditional ultrasound computed tomography…”
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Estimation of mechanical stiffness by finite element analysis of ultrasound computed tomography (UCT-FEA); a comparison with X-ray µCT based FEA in cancellous bone replica models by Althomali, Marwan A.M., Wille, Marie-Luise, Shortell, Matthew P., Langton, Christian M.

“…The mechanical integrity of a bone is determined by its quantity and quality. Conventional mechanical testing is the ‘gold standard’ for assessing bone…”
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Nonlinear optical properties of colloidal ZnO-Au nanostructures for optical limiting applications by Walden, Sarah L., Fernando, Joseph F. S., Waclawik, Eric R., Shortell, Matthew P., Jaatinen, Esa A.

“…The nonlinear response of zinc oxide and zinc oxide-gold hybrid colloidal nanostructures to 532 nm nanosecond pulses was investigated. The z-scan technique was…”
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