[reaction: see text] Platinum oxide was found to be a versatile and powerful hydrosilylation catalyst upon a wide variety of functionalized alkenes and especially aminated alkenes. Moreover, highly reproducible results and easy removal make this new catalyst a useful tool for hydrosilylation reaction.
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http://dx.doi.org/10.1021/ol025658r | DOI Listing |
ACS Appl Mater Interfaces
December 2024
Department of Chemical Science and Engineering, Tokyo Institute of Technology, Meguro 152-8552, Japan.
The development of a reaction system for direct epoxidation of propylene is an essential topic. Gas-phase electro-epoxidation of propylene to propylene oxide (PO) with water as the oxidant was successfully accomplished by using solid-polymer-electrolyte (SPE) electrolysis without solvents. The oxidized surface of the PtOx anode was essential for propylene epoxidation and oxidation.
View Article and Find Full Text PDFNat Mater
December 2024
School of Physical Science and Technology & Shanghai Key Laboratory of High-resolution Electron Microscopy, ShanghaiTech University, Shanghai, China.
Heliyon
June 2024
EMISys Research Team, Engineering 3S Research Center, Mohammadia School of Engineers, Mohammed V University in Rabat, Rabat, Morocco.
Modeling of proton exchange membrane (PEM) fuel cells is attracting more attention as fuel cell technology continues to develop. In this study, we considered a hybrid model that combines an agglomerate model based on the agglomeration of catalyst particles and the coverage-dependent kinetic equation of platinum oxide for ORR, and another 3D numerical model of a PEM fuel cell based on computational fluid dynamics (CFD). The obtained results from our developed models were validated with experimental results from literature.
View Article and Find Full Text PDFAn Acad Bras Cienc
April 2024
Universidade Federal do Paraná, Grupo de Química de Materiais (GQM), Departamento de Química, Caixa Postal 19032, 81531-980 Curitiba, PR, Brazil.
Platinum nanoparticles supported by carbon nanotubes were obtained by a simple chemical route and used for preparation of electrochemical sensor towards caffeine determination. Carbon nanotubes were used before and after an acid treatment, yielding two different materials. Morphological and structural characterization of these materials showed platinum nanoparticles (size around 12 nm) distributed randomly along carbon nanotubes.
View Article and Find Full Text PDFActa Biomater
November 2023
Key Laboratory of Bioprocess, Beijing University of Chemical Technology, Beijing 100029, China. Electronic address:
Sonodynamic therapy (SDT) is a physical therapy that utilizes critical sonosensitizers triggered by ultrasound to achieve an effective non-invasive tumor treatment. However, the inadequate sonodynamic efficacy and low responsive activities of traditional inorganic sonosensitizers have hindered its practical application. Here, we rationally design a platinum-zinc oxide (PtZnO) sonosensitizer to significantly enhance the efficacy of SDT through its inherent bandgap structure and dual-nanozyme activities.
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