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Au-TiO2 Yolk-Shell Particles for Photocatalysis Application
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Veröffentlicht/Copyright:
25. Juli 2012
Abstract
Au-TiO2 yolk-shell particles with gold as core and mesoporous TiO2 as shell have been synthesized by deposition of TiO2 nanoparticles onto Au-silica core-shell particles via modified sol-gel method at room temperature followed by the removal of silica midlayer by NaOH treatment. The Au-TiO2 yolk-shell particles exhibit a high colloidal stability, which can be applied as excellent heterogeneous photocatalysts for the photodegradation of the dye Rhodamine B under UV irradiation. The Au-TiO2 yolk-shell particles have shown much higher photocatalytic activity than that of the hollow TiO2 particles without gold.
Published Online: 2012-7-25
Published in Print: 2012-8-1
© by Oldenbourg Wissenschaftsverlag, München, Germany
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Schlagwörter für diesen Artikel
Yolk-Shell Particles;
Photocatalysis;
Titania Nanoparticles;
Sol-Gel
Artikel in diesem Heft
- Preface — An energetic life between soft matter and hard X-rays
- Optimizing the Sensitivity of FT-Rheology to Quantify and Differentiate for the First Time the Nonlinear Mechanical Response of Dispersed Beer Foams of Light and Dark Beer
- Adsorption of Spherical Polyelectrolyte Brushes: from Interactions to Surface Patterning
- Complexation of charged colloids with polyelectrolyte stars
- Charging and Aggregation of Positively Charged Colloidal Latex Particles in Presence of Multivalent Polycarboxylate Anions
- Spherical Polyelectrolyte Brushes on Colloidal Poly(butadiene) Particles
- Repulsive Forces between Spherical Polyelectrolyte Brushes in Salt-Free Solution
- Structure-Property Relations of Liquid Crystalline Gels with ABA-Triblock Copolymers as Gelators
- Direct-Imaging Cryo-SEM of Nanostructure Evolution in Didodecyldimethylammonium Bromide-Based Microemulsions
- Solubilisation of Oils of Different Polarity in Aqueous Solutions of Pluronic Triblock Copolymers
- Double Responsive Hydrogels based on Tertiary Amine Methacrylate Star Block Copolymers
- Coarse-Graining of Ionic Microgels: Theory and Experiment
- Non NIPAM Based Smart Microgels: Systematic Variation of the Volume Phase Transition Temperature by Copolymerization
- Temperature Controlled Activity of Lipase B from Candida Antarctica after Immobilization within p-NIPAM Microgel Particles
- Synthesis of PEG-Stabilized Fluoro-Acrylate Particles and Study of their Glass Transition in Aqueous Dispersion
- Probability Densities of a Forced Probe Particle in Glass: Results from Mode Coupling Theory and Simulations of Active Microrheology
- Molecular Order and Dynamics of Tris(2-ethylhexyl)phosphate Confined in Uni-Directional Nanopores
- The Structure of Fluids with Impurities
- Packing of Cylindrical Keggin-Type Polyoxometalate Hybrid Micelles as a Function of Aspect Ratio
- Au-TiO2 Yolk-Shell Particles for Photocatalysis Application
- Formfactors of Hollow and Massive Rectangular Parallelepipeds at Variable Degree of Anisometry
