Zeolite like metal–organic frameworks (ZMOFs)

... with uniwork inside various zeolites, for instance, zeolites Y, b, and L, form pore sizes USY zeolite was adopted as the template to and then carbonized the polymer /zeolite composites to obtain ... walls of zeolites have a uniThe Mallouk group synthesized phenol–formaldehyde (PF) form thickness of < nm, zeolites have been used as inorganic polymers by making use of the acidity of the zeo...

Ngày tải lên: 01/12/2016, 21:32

... as reflected in the high number of zeolite- like networks from hypothetical databases.89 The edge-expansion approach to zeolite- like metal–organic frameworks (ZMOFs) 3.1 ZMOFs from angular ditopic ... organic functionality and zeolite- like topologies and properties The portrayed examples demonstrate that complex structures, based on non-default nets, such as zeolite- like...

Ngày tải lên: 01/12/2016, 21:33

... nghiên cứu tiến hành phòng thí nghiệm chứng tỏ khả tách lưu trữ khí MOF (N2, Ar, CO2, CH4, and H2) [1–9] Cấu trúc MOF-5

Ngày tải lên: 20/06/2014, 21:20

... Assembly of metal organic frameworks (MOFs) by the copolymerization of metal ions with organic linkers to give (a) flexible metal bipyridine structures with expanded diamond topology and (b) rigid metal carboxylate ... MOFs—namely synthesis of new ligands to expand the library of molecular building blocks for constructing MOFs as well as synthesis of MOFs from those...

Ngày tải lên: 02/07/2014, 12:59

... preparing bimodal micro- and meso-porous MOF nanocrystals, uniform nanosized MOFs with controlled- shape and size and subsequently, the extensive application of the prepared nanosized MOFs The first objective ... preparation of mesoporous MOF nanocrystals and uniform nanoscale MOFs with desired shape and size 1.2 Objectives of the thesis The aim of this...

Ngày tải lên: 02/07/2014, 13:40

... MOLECULAR SIMULATIONS FOR CO2 CAPTURE IN METAL- ORGANIC FRAMEWORKS CHEN YIFEI (B.Eng., Hebei University of Technology, M Eng., Tianjin University, Tianjin, China) A THESIS SUBMITTED FOR THE ... ever-increasing computational power, molecular simulations have become increasingly important in materials science In particular, microscopic insights gained from simulation...

Ngày tải lên: 09/09/2015, 18:52

... increases with decreasing cavity size and also with increasing the number of carbon atoms in organic linker.140 Jiang and Sandler studied the separation of linear and branched alkanes in IRMOF-1 ... hydrolysis reaction and water stability in MOFs Among MOF-5, IRMOF-10 and MOF-74, they found MOF-74 has a superior resistance to water than other MOFs.149 The presence o...

Ngày tải lên: 09/09/2015, 18:52

... linkers in various MOFs (IRMOF-1, IRMOF-3, IRMOF-1-4NH2, IRMOF-6, IRMOF-8, IRMOF-12, IRMOF-14, IRMOF-18 and IRMOF-993) and found that the larger linkers bind more H2 molecules and addition of ... predicted in catenated and non-catenated MOFs  To study the adsorption and diffusion of a model drug (ibuprofen) in mesoporous MIL-101 and UMCM-1 The energetics and dyn...

Ngày tải lên: 14/09/2015, 08:49

... NGUYEN THI LE LIEN METAL- ORGANIC FRAMEWORKS IRMOF- 8, ZIF -9, MOF1 99 AND IRMOF- 3 AS CATALYSTS FOR THE FRIEDEL CRAFTS ACYLATION, KNOEVENAGEL, AZA- MICHAEL AND PAAL- KNORR REACTIONS Major: Organic chemical ... measurements, given the high surface area materials of the four MOFs synthesized in this study The four MOFs: IRMOF- 8, ZIF -9, MOF...

Ngày tải lên: 20/05/2016, 15:58

... been paid to the physical and chemical properties of metal-organic precursors used for deposition of the layers with liquid-delivery MOCVD A study of SrRuO3 layers in terms of the surface morphology, ... γfilm and γsubs are the surface free energies of film and substrate, respectively, and γi the free energy of the interface The latter quantity depends on the strai...

Ngày tải lên: 14/03/2014, 19:20

... MOCVD Technology and Equipment 201 24 CVD Metalorganics for Vapor Phase Epitaxy Product Guide and Literature Review, Rohm and Haas, 60 Willow Street, North Andover, MA 01845 25 Haigh, J., and O’Brien, ... organometallic chemical vapor deposition (OMCVD), metal- organic vapor phase epitaxy (MOVPE—the name used by one of the most important conferences), organometallic pyr...

Ngày tải lên: 14/02/2014, 03:20

... MOCVD Bi2Te3 films from the TI perspective In this letter, we explore and report on such wafer-scale, high quality Bi2Te3 thin films grown by MOCVD on GaAs (001) substrates The TI nature of such films ... properties of Bi2Te3 films grown by MOCVD and using such films in fundamental research and device applications incorporating thermoelectric power and/or TI effects Hetero...

Ngày tải lên: 05/03/2014, 21:20

... reduction of electron concentration in the N2 Otreated films Conclusions The postfabrication N2 O plasma treatment on the asfabricated MOCVD ZnO TFTs changed their device operation from depletion-mode ... number of ionized oxygen vacancies in the ZnO film.57–59,61–63) In general, an ionized oxygen vacancy in a ZnO film donates two electrons to the conduction band, which is mainly res...

Ngày tải lên: 05/03/2014, 21:20

... ZnO film In this paper, a nondoped ZnO film and a nitrogen doped one are deposited by plasma-assisted metal-organic chemical vapor deposition (MOCVD) We have investigated their structural and optical ... of group theory imply the better crystal quality of nitrogen doped ZnO film In the Raman spectrum of nitrogen doped ZnO film, other peaks at 274, 508, 641.9, and 857 c...

Ngày tải lên: 05/03/2014, 21:20

... reaction and Paal-Knorr reaction, by IRMOF-8, ZIF-9, MOF-199, IRMOF-3, respectively CHAPTER EXPERIMENTAL 2.1 Synthesis of MOF catalysts Four types of MOFs- IRMOF-8, ZIF-9, MOF-199, and IRMOF-3 ... reaction For the development of greener processes, moisture-insensitive and easy handling solid acid catalysts are desired Furthermore, the use of solid acid catalysts off...

Ngày tải lên: 10/05/2014, 21:59