نتایج جستجو برای: zeolitic imidazolate framework 8 zif 8
تعداد نتایج: 1100607 فیلتر نتایج به سال:
The synthesis of metal-organic frameworks (MOFs) in a monolithic morphology is promising way to achieve the transition this class materials from academia industrial applications. sol-gel process has been widely used produce MOF monoliths. It relatively cheap and simple compared with other techniques (e.g. mechanical densification), moreover, it allows ‘pure’ monoliths, that is, without need usi...
Solvent-assisted linker exchange (SALE) has recently emerged as an attractive strategy for the synthesis of metal-organic frameworks (MOFs) that are unobtainable via traditional synthetic pathways. Herein we present the first example of selective SALE in which only the benzimiadazolate-containing linkers in a series of mixed-linker zeolitic imidazolate frameworks (ZIF-69, -78, and -76) are repl...
To realize the various functionalities and maximize the structural advantages, hollow particles with multiple compositions and complex structures are highly desirable. However, the development of a convenient and scalable method for the synthesis of such multi-compositionally complex hollow structures remains a big challenge. Herein, we report an efficient and universal strategy to fabricate a ...
It is known that the temperature-dependent thermal conductivity of conventional crystals follows classical 1/$T$ trend due to dominant umklapp phonon-phonon scattering at high enough temperatures. However, many crystalline metal-organic frameworks very low and shows a weak temperature dependence when all vibrational modes are occupied. By studying two frameworks, i.e., zeolitic imidazolate fram...
As an alternative energy source to fossil fuels, biobutanol has received increasing attention. In this work, new mixed matrix membranes (MMMs) incorporating zeolitic imidazolate frameworks (ZIF-71) particles into polyether-block-amide (PEBA) were prepared for biobutanol recovery from acetone–butanol–ethanol (ABE) fermentation broth by pervaporation (PV). FESEM, EDS, XRD, FT-IR, DSC and contact ...
The core-shell hybrid structure is the simplest motif of two-component systems which consists of an inner core coated by an outer shell. Core-shell composite materials are attractive for their biomedical, electronic and catalytic applications in which interface between core and shell is critical for various functionalities. However, it is still challenging to study the exact role that interface...
In the last two decades a new material class, now called Metal-Organic Framework (MOF), arose and rapidly became eligible for a wide range of applications, especially in fields related to gas selection and storing [1-3]. Beyond its great values of superficial area and pore volume, MOFs might have its chemical functionality modified, which make them a good alternative for drug delivering as well...
Manganese oxides (MnOx) have been regarded as promising catalyst candidates for oxygen reduction reaction (ORR) due to their natural abundance and extremely low toxicity. However, the intrinsic conductivity of MnOx limits application. In this work, Mn oxide embedded in N doped porous carbon (MnOx@C-N) electrocatalysts were prepared through a facile zeolitic imidazolate framework (ZIF-8) templat...
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