نتایج جستجو برای: nano metal organic frameworks

تعداد نتایج: 461860  

Journal: :Journal of the American Chemical Society 2011
Minyuan Li Mircea Dincă

Electroreduction of oxoanions affords hydroxide equivalents that induce selective deposition of crystalline metal-organic frameworks (MOFs) on conductive surfaces. The method is illustrated by cathodic electrodeposition of Zn(4)O(BDC)(3) (MOF-5; BDC = 1,4-benzenedicarboxylate), which is deposited at room temperature in only 15 min under cathodic potential. Although many crystalline phases are k...

2016
Rui‐Biao Lin Si‐Yang Liu Jia‐Wen Ye Xu‐Yu Li Jie‐Peng Zhang

Luminescence of porous coordination polymers (PCPs) or metal-organic frameworks (MOFs) is sensitive to the type and concentration of chemical species in the surrounding environment, because these materials combine the advantages of the highly regular porous structures and various luminescence mechanisms, as well as diversified host-guest interactions. In the past few years, luminescent MOFs hav...

Journal: :Science 2003
Nathaniel L Rosi Juergen Eckert Mohamed Eddaoudi David T Vodak Jaheon Kim Michael O'Keeffe Omar M Yaghi

Metal-organic framework-5 (MOF-5) of composition Zn4O(BDC)3 (BDC = 1,4-benzenedicarboxylate) with a cubic three-dimensional extended porous structure adsorbed hydrogen up to 4.5 weight percent (17.2 hydrogen molecules per formula unit) at 78 kelvin and 1.0 weight percent at room temperature and pressure of 20 bar. Inelastic neutron scattering spectroscopy of the rotational transitions of the ad...

Journal: :Energies 2022

Recent research on the role of nanomaterials in gas hydrate science and a few review papers have highlighted positive synergies between hydrates metal–organic frameworks (MOFs) for separation storage. Metal–organic consist metal nodes organic linkers connected by coordination bonds to form programmable modular structures that are symmetric tunable properties. frameworks, also known as microporo...

2012
Moises A Carreon

The effective utilization of CO2 as a renewable raw material for the production of useful chemicals is an area of enormous interest. In particular, the catalytic conversion of CO2 into cyclic carbonates, which are useful chemical intermediates employed for the production of plastics and organic solvents, represents an attractive route for the efficient use of carbon dioxide. The development of ...

2017
Jingjing Duan Sheng Chen Chuan Zhao

Two-dimensional metal-organic frameworks represent a family of materials with attractive chemical and structural properties, which are usually prepared in the form of bulk powders. Here we show a generic approach to fabricate ultrathin nanosheet array of metal-organic frameworks on different substrates through a dissolution-crystallization mechanism. These materials exhibit intriguing propertie...

Journal: :Cancer Nanotechnology 2023

Abstract Bone metastasis is the main cause of death in patients with prostate cancer (PCa), but there lacks effective treatment method. Immunotherapy shows new hopes for bone metastatic PCa patients, while efficacy still unsatisfactory and limited by unique immunosuppressive microenvironment site. Here, we developed a bone-targeted nano-delivery system as nano-regulator to enhance immunotherapy...

Journal: :Journal of the American Chemical Society 2004
Jesse L C Rowsell Andrew R Millward Kyo Sung Park Omar M Yaghi

Five porous metal-organic frameworks based on linking zinc oxide clusters with benzene-1,4-dicarboxylate, naphthalene-2,6-dicarboxylate, 4,5,9,10-tetrahydropyrene-2,7-dicarboxylate, 2,3,5,6-tetramethylbenzene-1,4-dicarboxylate, or benzene-1,3,5-tris(4-benzoate) were synthesized in gram-scale quantities to measure their hydrogen uptake properties. Hydrogen adsorption isotherms measured at 77 K s...

Journal: :Dalton transactions 2016
Yao Chen Shengqian Ma

Metal-organic frameworks (MOFs) have attracted great attention as a new type of prospective material with various merits and functionalities. MOFs can either act as biomimetic catalysts to mimic enzymatic activities or serve as hosts to encapsulate bio-active species for biomimetic catalysis. However, in comparison with the dramatic development of MOFs in other catalytic fields, MOF-based biomi...

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