Articles with "silica titania" as a keyword



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Comprehensive Study on the Effect of Preparation Conditions on the Activity of Sulfated Silica–Titania for Green Biofuel Production

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Published in 2020 at "Journal of Inorganic and Organometallic Polymers and Materials"

DOI: 10.1007/s10904-020-01545-2

Abstract: The binary system of metal oxides is significantly considered due to improving the weakness of each metal cation by supporting other metal cations. Although SiO 2 –TiO 2 is a conventional binary system which usually… read more here.

Keywords: silica titania; comprehensive study; structure; concentration ... See more keywords
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Magnetically-extractable hybrid of magnetite, mesoporous silica and titania for the photo-degradation of organic compounds in water

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Published in 2018 at "Applied Surface Science"

DOI: 10.1016/j.apsusc.2018.06.218

Abstract: Abstract This work addresses the development of a magnetically extractable magnetite-silica-titania photocatalyst to be applied in the degradation of organic compounds in water. MCM-41 silica was successfully deposited on magnetite, providing large surface area for… read more here.

Keywords: organic compounds; silica titania; magnetite; degradation organic ... See more keywords
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Tuning of the electronic band structure of fibrous silica titania with g-C3N4 for efficient Z-scheme photocatalytic activity

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Published in 2020 at "Applied Surface Science"

DOI: 10.1016/j.apsusc.2020.145744

Abstract: Abstract Graphitic carbon nitride (g-C3N4)/fibrous silica titania (CNFST) catalysts are successfully synthesized via a simple solid-state microwave-assisted method under various loadings of g-C3N4 and then characterized by XPS, ESR, FTIR, TEM, UV–Vis DRS, FESEM, XRD… read more here.

Keywords: band; fibrous silica; activity; silica titania ... See more keywords
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Thermally stable Au decorated silica-titania mesoporous nanocomposite for pH sensing evaluation

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Published in 2020 at "Applied Surface Science"

DOI: 10.1016/j.apsusc.2020.146329

Abstract: Abstract Herein, doping/decoration of gold nanoparticles (AuNPs) within mesoporous silica-titania nanocomposite is achieved via a facile and co-assembly sol-gel method. Polyethylene glycol is used as a co-structure-directing-agent. For sensing analysis, a mixture of organic dyes… read more here.

Keywords: silica titania; thermally stable; surface; decorated silica ... See more keywords
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Efficient visible light magnetic modified iron oxide photocatalysts

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Published in 2017 at "Ceramics International"

DOI: 10.1016/j.ceramint.2017.07.193

Abstract: Abstract Magnetite iron oxide (Fe 3 O 4 ) nanoparticles were synthesized via simple co-precipitation method using ferrous and ferric ions salts. Fe 3 O 4 nanoparticles were modified by silica and titania. Pure and… read more here.

Keywords: magnetite nanoparticles; visible light; silica titania; iron oxide ... See more keywords
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High performance biocatalyst based on β-d-galactosidase immobilized on mesoporous silica/titania/chitosan material.

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Published in 2021 at "Food chemistry"

DOI: 10.1016/j.foodchem.2021.129890

Abstract: A new support for the immobilization of β-d-galactosidase from Kluyveromyces lactis was developed, consisting of mesoporous silica/titania with a chitosan coating. This support presents a high available surface area and adequate pore size for optimizing… read more here.

Keywords: biocatalyst; mesoporous silica; activity; silica titania ... See more keywords
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Altering fiber density of cockscomb-like fibrous silica-titania catalysts for enhanced photodegradation of ibuprofen.

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Published in 2018 at "Journal of environmental management"

DOI: 10.1016/j.jenvman.2018.08.073

Abstract: Fibrous silica-titania (FST) catalysts were synthesized by microemulsion followed by silica seed-crystal crystallization methods under various molar ratios of toluene to water (T/W). The catalysts were characterized by XRD, UV-DRS, FESEM, TEM, AFM, N2 adsorption-desorption,… read more here.

Keywords: photodegradation ibuprofen; silica titania; photodegradation; fibrous silica ... See more keywords
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Thermally stable ZnO doped SiO2–TiO2 nanocomposite based Opto-chemical sensor

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Published in 2021 at "Materials Chemistry and Physics"

DOI: 10.1016/j.matchemphys.2021.124687

Abstract: Abstract Sol-gel-based zinc doped silica-titania (ZST) nanocomposite matrix coated optical fiber has been prepared for pH sensing. Finding relies on evanescent wave absorption in a thin film deposited on the PCS fiber core. Four different… read more here.

Keywords: zinc doped; doped silica; silica titania; nanocomposite matrix ... See more keywords
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Anchoring ultrasmall FeIII-based nanoparticles on silica and titania mesostructures for syngas H2S purification

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Published in 2020 at "Microporous and Mesoporous Materials"

DOI: 10.1016/j.micromeso.2020.110062

Abstract: Abstract Mesostructured titania (Anatase) and silica (MCM-41) were proposed as supports to design highly active, selective, and regenerable FeIII-based nanostructured sorbents for mid-temperature H2S removal in a model sour syngas. The resulting sorbents (Fe–SiO2 and… read more here.

Keywords: ultrasmall feiii; active phase; sulfidation; silica titania ... See more keywords
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Silica-titania nanocomposite based fiber optic sensor for aromatic hydrocarbons detection

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Published in 2020 at "Optics Communications"

DOI: 10.1016/j.optcom.2020.125825

Abstract: Abstract Surface stability of deposited sensing material is becoming a crucial issue in the field of opto-chemical sensor technology due to cracks/stresses. Porous silica-titania (ST) nanocomposite coating material is synthesized and doped with CdTe as… read more here.

Keywords: pore diameter; silica titania; based fiber; titania nanocomposite ... See more keywords
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Predicting Nanoparticle Suspension Viscoelasticity for Multimaterial 3D Printing of Silica–Titania Glass

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Published in 2018 at "ACS Applied Nano Materials"

DOI: 10.1021/acsanm.8b00821

Abstract: A lack of predictive methodology is frequently a major bottleneck in materials development for additive manufacturing. Hence, exploration of new printable materials often relies on the serendipity of trial and error approaches, which is time-consuming,… read more here.

Keywords: silica titania; multimaterial printing; silica; titania glass ... See more keywords