The effect of nanoparticle morphology in the filtration efficiency and saturation of a silicon beads fluidized bed

Abstract

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Controlling reaction paths for ultra-fast growth of inorganic nanowires floating in the gas phase

“…The corresponding activation energy is reported to be in between 29-38 kJ/mol and thus higher than what is required in the first step of VLS growth. The selectivity of the process could potentially be affected by hydrogenation/passivation of active surfaces at SiNWs and a-Si particles in the presence of H 2 gas, which could change the activation energy for the catalysed and non-catalysed reactions 33,34 and thus favour one of the products. This is unlikely though.…”

“…Eq. 8 and 9 have been succesfully used in studies of competing reactions during nanoparticle growth 34 , but not under variable hydrogen concentration. This can be included in the model by considering a simple silicon nanoparticles formation mechanism following the reaction:…”

Development of an ultraviolet constant angle Mie scattering detector toward the determination of aerosol growth kinetics in the transition and free molecular regime

“…With regard to industrial aerosols, it has been reported that many macroscopic properties of industrial relevance depend on the primary particle size and morphology defined in the initial stages of aerosol growth. (Neeleshwar et al 2005;Nguyen and Flagan 1991;Vazquez-Pufleau 2016;Vazquez-Pufleau and Yamane 2020;Vazquez-Pufleau 2019). Therefore, improving our understanding of the initial stages of aerosol growth can enhance our prediction capabilities for atmospheric phenomena and provide significant technological advances for industrial and medical (Diebolder et al 2018) applications.…”