3 edition of Non-ionic surfactant assembly of nanoporous organosilica frameworks found in the catalog.
Non-ionic surfactant assembly of nanoporous organosilica frameworks
Mark David McInall
|Statement||by Mark David McInall.|
|Series||Canadian theses = Thèses canadiennes|
|The Physical Object|
|Pagination||x, 84 l. :|
|Number of Pages||84|
Nanoporous Materials: Science and Engineering the coordinated water molecules of the transition metal aqua complexes induced the aggregation and self-assembly of the surfactant molecules into hexagonal and/or cubic mesostructures and allowed the transition metal ions to be distributed into those structures uniformly in the form of free ions. Examples will include surfactant-assembly directed ordered mesoporous hybrid-silica nanoparticles as well as block copolymer-assembly directed ordered hybrid nanomaterials. The aim of the described work is to understand the underlying fundamental chemical, thermodynamic and kinetic formation principles enabling generalization of results over a.
Zinc-based electrolyte compositions, and related electrochemical processes and articles. SciTech Connect. Kniajanski, Sergei; Soloveichik, Grigorii Lev. An aqueous electrolyte composition is described, including a zinc salt based on zinc acetate or zinc glocolate. The saturation concentration of zinc in the electrolyte composition is in the range of about M to . 年創業で全国主要都市や海外に店舗を展開する紀伊國屋書店のサイト。ウェブストアでは本や雑誌や電子書籍を1,万件以上の商品データベースから探して購入でき、2,円以上のお買い上げで送料無料となります。店舗受取サービスも利用できます。.
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Single-crystal-like, hierarchically nanoporous silica SBA-1 particles were successfully fabricated by employing organic mesomorphous complexes of polyelectrolyte (poly(acrylic acid) (PAA)) and cationic surfactant (hexadecylpyridinium chloride (CPC)) as templates.
By adjusting the amount of PAA in the synthesis, a series of silica particles with well-defined morphologies and well Cited by: An unconventional nanoporous organosilica membrane has been tested in a vacuum membrane distillation (MD) process for water desalination.
We propose a modified approach to. Non-ionic surfactant. Polyethylene glycol hexadecyl ether (C 16 H 33 (OCH 2 CH 2) n OH, n ∼ 10) Brij Non-ionic surfactant. Polyethylene glycol hexadecyl ether (HO(CH 2 CH 2 O) 20 C 16 H 33) Brij Non-ionic surfactant. Polyethylene glycol hexadecyl ether (C 58 H O 21) Critical micelle concentrationCited by: 1.
The topic of thin films is an area of increasing importance in materials science, electrical engineering and applied solid state physics; with both research and industrial applications in.
Sol−gel nanocasting is used to imprint the soft-matter structures of lyotropic phases of nonionic n-alkyl−poly(ethylene oxide) amphiphiles (“CxEy”) into solid porous silica. Small angle X-ray scattering (SAXS), nitrogen sorption, and transmission electron microscopy (TEM) are used to investigate the dependence of the porosity on the block lengths or the block volumes.
A self-assembly approach was also utilized for the synthesis of mesoporous polymers. Recently, mesoporous polyacrylonitrile with a disordered porous structure was synthesized by a self-assembly process using reverse pluronic nonionic surfactants and acrylonitrile, which generates well-dispersed micelles in a N-methylpyrrolidone solution.
The Cited by: 3. Electronics, and nanoelectronics in particular, represent one of the most promising branches of technology. The search for novel and more efficient materials seems to be natural here. Thus far, silicon-based devices have been monopolizing this domain. Indeed, it is justified since it allows for significant miniaturization of electronic elements by their densification in integrated by: 2.
In this work, we have used surfactant-assisted aggregating assembly of CdS and TiO2 nanocrystals to assemble mesoporous binary CdS-TiO2 heterostructure. The product features a three-dimensional network of interconnected CdS quantum dots and anatase TiO2 nanoparticles and exhibits large internal BET surface area ( m2 g−1) and uniform pores.
SBA was synthesised by soft-templating method using non-ionic surfactant Pluronic P and tetraethyl orthosilicate TEOS as silica source with aqueous hydrochloric acid (HCl) as catalyst. Process parameters varied include HCl concentration ( – M), ageing temperature (40 – 70 C) and ageing time (12 – 48 hours).
A phenyl—functionalized (“phenylated”) version of mesocellular foam silica was prepared by incorporating C 6 H 5 Si(OC 2 H 5) 3 as a reagent in the assembly of the mesophase and then removing the block copolymer surfactant.
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Discover the highest quality integrated scientific research today - search. The roadmap for the synthesis pillar, which reflects the general research strategy to form nanoporous materials with a unique performance, is given in Figure 1.
It shows the different steps going from the synthesis (A) to the tuning of properties (B), scale-up phase (C) and. One-step synthesis of high capacity mesoporous Hg 2+ adsorbents by non-ionic surfactant assembly. Microporous Mesoporous Mater. 37, 41– [Google Scholar] Fowler, C.E.; Burkett, S.L.; Mann, S.
Synthesis and characterization of ordered organosilica-surfactant mesophases with functionalized MCMtype architecture. by: Polymer composite membranes containing mesoporous particles which function in part as reinforcing agents, modifiers of polymer surface polarity, and membrane structure modifiers are provided.
The composites provide superior resistance to internal damage and pore compaction, increased permeability to water with retention of separation fidelity, and resistance to chemical Cited by: 8.
ppm_abstract_book_v3 - VBN Aalborg Universitet Steam-stable silica-based membranes Boffa, Vittorio Published in: PPM Abstracts Publication date: Document Version Early version, also known as pre-print Link to publication from Aalborg University Citation for published version (APA): Boffa, V.
Non-ionic block copolymer synthesis of large-pore cubic mesoporous single crystals by use of inorganic salts, Chengzhong Yu, Bozhi Tian, Jie Fan, Galen D. Stucky, and Dongyuan Zhao, J.
Chem. Soc.() DOI: /jaf. A tale of two mechanisms: comparing mesostructure formation in cationic and non-ionic surfactant-templated silicas Edler, K. / Fernandez-Martin, C. Zhao D, Huo Q, Feng J, Chmelka BF, Stucky GD () Non-ionic triblock and star diblock copolymer and oligomeric surfactant syntheses of highly ordered, hydrothermally stable, mesoporous silica structures.
J Am Chem Soc – CrossRef Google ScholarCited by: 4. One-step synthesis of high capacity mesoporous Hg2+ adsorbents by non-ionic surfactant assembly. Microporous and Mesoporous Materials.
Vol, No, p Salil U. Rege, Ralph T. Yang. Corrected Horváth-Kawazoe equations for pore-size by: Coordination polymers have many attractive properties but the development of applications has been hampered by the challenges associated with their processing and the preparation of nanosized analogues.
In this thesis, the synthesis and characterization of new coordination polymer nanomaterials with previously inaccessible morphologies and compositions are Author: Xavier Roy.
Iupac Book - Free ebook download as PDF File .pdf), Text File .txt) or read book online for free.Julfikar Hassan Mondal, Sahnawaz Ahmed, Debapratim Das: Physicochemical Analysis of Mixed Micelles of a Viologen Surfactant: Extended to Water-in-Oil (w/o) Microemulsion and Cucurbituril-Assisted Vesicle Formation.
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