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Articles by Thenner S. Rodrigues
Plasmonic catalysis with designer nanoparticles
Plasmonic catalysis with designer nanoparticles Anderson G. M. da Silva, a Thenner S. Rodrigues, b Jiale Wang c and Pedro H. C.
Nanocatalysis by Noble Metal Nanoparticles: Controlled Synthesis for the Optimization and Understanding of Activities
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Correlating structural dynamics and catalytic activity of AgAu nanoparticles with ultrafast spectroscopy and all-atom molecular dynamics simulations
In this study, we investigated hollow AgAu nanoparticles with the goal of improving our understanding of the composition-dependent catalytic activity of theses nanoparticles. AgAu nanoparticles were synthesized via the galvanic replacement method with controlled size and nanoparticle compositions.
Towards the Sub-15nm CeO2 Nanowires with Increased Oxygen Defects and Ce3+ Sites for Selective Oxidation of Aniline at Room-temperature with a Non-Noble Metal Catalyst - Catalysis Science & Technology (RSC Publishing)
We described herein the facile synthesis of sub-15 nm CeO2 nanowires based on a hydrothermal method without the use of any capping/stabilizing agent, in which an oriented attachment mechanism took place during the CeO2 nanowires formation. The synthesis of sub-15 nm CeO2 nanowires could be achieved on relatively large scales (? 2.6 grams of nanowires per batch), high yields (> 94 %), and low cost.
Galvanic Replacement Reaction: Recent Developments for Engineering Metal Nanostructures towards Catalytic Applications
Metallic nanoparticles have been extensively studied towards applications in catalysis. Among the several methods for their controlled synthesis, galvanic replacement is particularly attractive as it enables the production of bimetallic and hollow nanomaterials displaying ultrathin walls in a single reaction step. This procedure is versatile, but final morphologies are often limited to shapes that represent the hollow analogues of the starting template nanocrystals.
Hollow AgPt/SiO2 nanomaterials with controlled surface morphologies: is the number of Pt surface atoms imperative to optimize catalytic performances?
We describe herein an investigation on how the number of Pt surface atoms and nature of exposed surface facets affect the catalytic performances of AgPt nanomaterials displaying controlled surface morphologies (smooth or rough surfaces), shapes (spherical or one-dimensional), and hollow interiors towards CO oxidation. More specifically, we focused on AgPt nanoshells (smooth surfaces), assembled nanoparticles (rough surfaces), nanotubes with smooth surfaces, and nanotubes with rough surfaces.
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