نتایج جستجو برای: inorganic membranes

تعداد نتایج: 166158  

Journal: :Angewandte Chemie 2008
Alfred J Baca Jong-Hyun Ahn Yugang Sun Matthew A Meitl Etienne Menard Hoon-Sik Kim Won Mook Choi Dae-Hyeong Kim Young Huang John A Rogers

This article reviews the properties, fabrication and assembly of inorganic semiconductor materials that can be used as active building blocks to form high-performance transistors and circuits for flexible and bendable large-area electronics. Obtaining high performance on low temperature polymeric substrates represents a technical challenge for macroelectronics. Therefore, the fabrication of hig...

Journal: :Chemical communications 2016
Laurie J Points Geoffrey J T Cooper Anne Dolbecq Pierre Mialane Leroy Cronin

Herein, we show it is possible to produce wholly inorganic chemical gardens from a cationic polyoxometalate (POM) seed in an anionic POM solution, demonstrating a wholly POM-based chemical garden system that produces architectures over a wide concentration range. Six concentration dependent growth regimes have been discovered and characterized: clouds, membranes, slugs, tubes, jetting and budding.

2004
Tim Burchell Andy Jones

This paper presents information and data relative to recent advances in the development at Oak Ridge National Laboratory of microporous inorganic membranes for high-temperature hydrogen separation. These membranes incorporate a metal tubular support with a thin ceramic layer applied to the inside of the support tube. Research emphasis during the last year has been directed toward the developmen...

Journal: :Journal of the American Chemical Society 2003
Hongjun Liang Thomas E Angelini James Ho Paul V Braun Gerard C L Wong

A wide range of biomineralization and templating methods exist for organizing inorganic materials at a wide range of length-scales. Here, we show that crystallographic control of the inorganic nanostructures is possible using synthetic biomolecular templates comprised of anionic DNA and cationic membranes, which self-assemble into a multilamellar structure where a periodic one-dimensional (1D) ...

Journal: :Catalysts 2021

Nanocellulose (NC) is a biomaterial with growing interest in the field of nanocomposites and sustainable materials. NC has various applications including biodegradable materials, reinforcing agents, packaging films, transpiring membranes medical devices. Among many applications, use functionalized organic inorganic groups found wide as catalyst chemical transformations. The goal this review to ...

2006
Graeme R. Guy Andrew W. Murray

The tumor promoter 12-O-tetradecanoylphorbol-13-acetate (TPA) caused a marked stimulation of inorganic [32P]orthophosphate incorporation into HeLa-cell phosphatidylcholine (PC), phosphatidylethanolamine (PE), and lysophosphatidylethanolamine. The increased incorporation of inorganic [32P]orthophosphate into PE and lysophosphatidylethanolamine in the presence of TPA was not associated with an in...

Journal: :Chemical communications 2014
Dong Kyu Roh Sang Jin Kim Won Seok Chi Jin Kyu Kim Jong Hak Kim

Simultaneous improvement in CO2 permeability and CO2/N2 selectivity was obtained from mixed matrix membranes (MMMs) containing dual-functionalized mesoporous TiO2 hollow nanospheres (f-MTHS). Dual functionality resulted in the increased CO2 affinity and improved interfacial properties between inorganic nanofillers and the polymer matrix.

Journal: :Water 2021

Membrane-based separation has gained increased popularity over the past few decades, particularly reverse osmosis (RO). A major impediment to improved performance of membrane processes, in general, is fouling. Fouling detrimental effects on membrane’s and integrity, as deposition accumulation foulants its surface and/or within pores leads a decline permeate flux, deterioration selectivity, perm...

Journal: :Journal of composites science 2021

Synthetic membranes are currently employed for multiple separation applications in various industries. They may have been prepared from organic or inorganic materials. Present research majorly focuses on polymeric (i.e., organic) because they show better flexibility, pore formation mechanism, and thermal chemical stability, demand less area installation. Dendritic, carbon nanotube, graphene oxi...

2011
Shashi Kumar Sukrit Shankar Pushan R. Shah Surendra Kumar

Catalytic membrane reactors are multifunctional reactors, which provide improved performance over conventional reactors. These are used mainly for conducting hydrogenation/ dehydrogenation reactions, and synthesis of oxyorganic compounds by using inorganic membranes. In this paper, comprehensive model has been developed for a tubular membrane reactor, which is applicable to Pd or Pd alloys memb...

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