نتایج جستجو برای: mesostructure

تعداد نتایج: 340  

Fe3O4-containing cotton-like mesoporous silica system (Fe3O4@NCSM) was studied with regard to its performance towards the photodecolorization of bromothymol blue (BTB) aqueous solution. The surface properties of the functionalized catalyst were analyzed by a series of characterization techniques like FTIR, XRD, BET, SEM and TEM. The N2 Adso...

Fe3O4-containing cotton-like mesoporous silica system (Fe3O4@NCSM) was studied with regard to its performance towards the photodecolorization of bromothymol blue (BTB) aqueous solution. The surface properties of the functionalized catalyst were analyzed by a series of characterization techniques like FTIR, XRD, BET, SEM and TEM. The N2 Adso...

Journal: :Polymer Composites 2023

Prepreg platelet molding compound (PPMC) can be used to create structural grade material with a heterogeneous mesoscale morphology. The present work considered various lengths of the prepreg system IM7/8552 study effect length on flexural behavior PPMC composite. A progressive failure finite-element analysis was understand competing modes in different length. interlaminar and in-plane damage me...

Journal: :Microporous and Mesoporous Materials 2022

An environmentally friendly and inexpensive silica source, sodium silicate solution, was applied to synthesize a free-standing mesoporous film at the air/liquid interface, exploiting co-assembly of cetyltrimethylammonium bromide polyethylenimine. The effect composition solution used for formation on mesostructure as-synthesized films, characterized by small angle X-ray scattering (SAXS), invest...

Journal: :Chinese Physics B 2023

This work presents a strategy for the mesoscopic engineering of hierarchically structured sodium alginate (SA) aerogels to enhance macroscopic performance. The was implemented by meso-functionalizing and reorganizing SA via controlled heterogeneous nucleation, in which microcrystalline cellulose-manganese dioxide (MCC-MnO 2 ) nano-crystallites worked as template. Due short rod-like structure ab...

Journal: :Langmuir : the ACS journal of surfaces and colloids 2017
Silo Meoto Niall Kent Michael M Nigra Marc-Olivier Coppens

Hierarchically structured membranes composed of mesoporous silica embedded inside the channels of anodic alumina (MS-AAM) were synthesized using the aspiration method. Ethanol is shown to have a significant effect on the type and organization of the mesoporous silica phase. Detailed textural analysis revealed that the pore size distribution of the mesoporous silica narrows and the degree of ord...

2016
Ken C. Lee Qi Yu Uwe Erb

Corneal nano-nipple structures consisting of hexagonally arranged protrusions with diameters around 200 nm have long been known for their antireflection capability and have served as biological blueprint for solar cell, optical lens and other surface designs. However, little is known about the global arrangement of these nipples on the ommatidial surface and their growth during the eye developm...

Journal: :Journal of Power Sources 2021

Composite graphite/silicon (Si) electrodes with low Si weight percentages are considered as a promising anode for next generation Li-ion batteries. In this context, understanding the mesostructural changes due to volume expansion and complex electrochemical interplay between graphite becomes crucial unlock real-life applications of such composite electrodes. This work presents, first time, thre...

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