نتایج جستجو برای: nanoalloy
تعداد نتایج: 154 فیلتر نتایج به سال:
Surface reconstruction as common phenomenon during catalysis complicates the prediction and modeling on catalytic activity of nanoalloy, hence developing a stable structure to be resistant surface restructuring would provide an ideal prototype for substantial reliable mechanism analysis. Herein, single-twinned in inverse AgPdF catalyst is constructed enhance stability formate oxidation reaction...
Bubble-pen lithography exploits laser heating for microbubble generation to attract and pattern diverse kinds of materials at the microscale or nanoscale resolution. Zheng co-workers discuss theoretical experimental advances in bubble-pen its applications fields displays, biological chemical detection, disease diagnosis, nanoalloy synthesis (e189).
We describe an environmentally friendly, top-down approach to the synthesis of Au89Fe11 nanoparticles (NPs). The plasmonic response of the gold moiety and the magnetism of the iron moiety coexist in the Au89Fe11 nanoalloy with strong modification compared to single element NPs, revealing a non-linear surface plasmon resonance dependence on the iron fraction and a transition from paramagnetic to...
Using a DFT-based genetic algorithm (GA) approach, we have determined the most stable structure and stoichiometry of a 309-atom icosahedral AuCu nanoalloy, for potential use as an electrocatalyst for CO2 reduction. The identified core-shell nano-particle consists of a copper core interspersed with gold atoms having only copper neighbors and a gold surface with a few copper atoms in the terraces...
This article aims to address the formation and the structural disordering/ordering phenomena of PtNi nanoalloys supported on hollow graphitic spheres (HGSs) using pair distribution function (PDF) analysis under ex situ/in situ data collection conditions. Starting from small nanoparticles (10-15 Å in diameter) embedded in HGSs, structural changes were monitored during stepwise heating and coolin...
A review is presented of the design and application of genetic algorithms for the geometry optimisation of clusters and nanoparticles, where the interactions between atoms, ions or molecules are described by a variety of potential energy functions. A general introduction to genetic algorithms is followed by a detailed description of the genetic algorithm program that we have developed to identi...
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