Silver nanoparticles (NPs) were rapidly synthesized by treating silver ions with a Capsicum annuum L. extract. The reaction process was simple and convenient to handle, monitored using ultraviolet-visible spectroscopy (UV-vis). effect of proteins on the formation NPs investigated X-ray photoemission (XPS), electrochemical measurements, Fourier-transform infrared (FTIR) differential spectrum techniques. morphology crystalline phase determined from transmission electron microscopy (TEM),...

The g-C(3)N(4)-ZnO composite photocatalysts with various weight percents of ZnO were synthsized by a simple calcination process. characterized powder X-ray diffraction (PXRD), scanning electron microscopy (SEM), high-resolution transmission (HR-TEM), UV-vis diffuse reflection spectroscopy (UV-vis), photoelectron (XPS) and thermogravimetric analysis (TGA). PXRD HR-TEM results show that the materials consist hexagonal wurzite phase g-C(3)N(4). solid-state spectra absorption edge shifts toward...

In this work we present the rapid synthesis of nanocrystals a fluorescent microporous metal-organic framework using an ultrasonic method, and their utility for selective sensing organoamines.

We describe a novel type of magnetic recyclable Fe3O4@MIL-100(Fe) photocatalyst on the basis porous metal–organic framework (MOF) and its photocatalytic activities in photodegradation methylene blue (MB) dye. It was found that exhibited activity for MB dye degradation under both UV-vis visible light irradiation, decolorization over followed first-order kinetics. Moreover, it can be easily separated recycled without significant loss after being used many times. Therefore, compared to...

A new hierarchy: supramolecular template strategy is used to synthesize hierarchical micro- and mesoporous metal–organic frameworks. The mesopore walls are constructed from a microporous framework (see picture). porosity can be tuned by using different templates at various molar ratios. Detailed facts of importance specialist readers published as ”Supporting Information”. Such documents peer-reviewed, but not copy-edited or typeset. They made available submitted the authors. Please note:...

A novel kind of porous microsphere with a magnetic core and tunable metal–organic framework (MOF) shell has been successfully fabricated utilizing versatile step-by-step assembly strategy. The structure, composition, function the microspheres can be judiciously tailored by choosing various metal ions polyfunctional organic ligands or tuning processes. Our results provide valuable methodology for rationally designing core–shell architectures MOF-based platforms.

Metal-organic frameworks (MOFs) MIL-88A hexagonal microrods as a new photocatalyst show an active performance for methylene blue (MB) dye decolorization using visible light. MB over the follows first-order kinetics. The addition of H2O2 electron acceptor can markedly enhance photocatalytic decoloration MIL-88A. Moreover, showed very stable activity after four consecutive usages. Owing to advantages light response, low cost and abundance in nature, this MOF would have great potential...

Because of their potential application in the conversion solar energy to chemical energy, development semiconductor photocatalysts that have high reactivity under visible light has received great attention. In present work, we illustrate design and fabrication magnetically separable polymeric carbon nitride photocatalysts, i.e. Fe2O3/g-C3N4 composite a novel type driven photocatalyst with cost-effective recovery manner. The obtained catalysts different Fe2O3 contents were characterized by...

A combined ultrasound-vapour phase diffusion technique was used for the rapid synthesis of a terbium-based metal–organic framework (MOF), [Tb(1,3,5-BTC)]n. Compared with conventional solvothermal and ultrasound-assisted methods, such kind is highly sufficient synthesizing nanoscale MOF crystals in remarkably high yields. Significantly, as-prepared [Tb(1,3,5-BTC)]n nanocrystals exhibited selective sensing picric acid (PA) without interference other nitroaromatic compounds as nitrobenzene,...

Hierarchically mesostructured MIL-101 metal–organic frameworks (MOFs) were successfully synthesized under solvothermal synthesis conditions by using the cationic surfactant cetyltrimethylammonium bromide as a supramolecular template. The MOFs characterized powder X-ray diffraction, scanning electron microscopy, transmission and nitrogen adsorption–desorption isotherms at 77 K. results suggest that obtained are composed of numerous MOF nanocrystals. Pore size distribution analyses...

A novel porous Au@MIL-100(Fe) core-shell nanocatalyst with controllable MIL-100(Fe) shell thickness has been fabricated by using a versatile step-by-step fashion. Catalytic studies show that the exhibits much higher catalytic activity than pure Au nanoparticles, suggesting enhances via synergistic effect.

Magnetic Fe3O4@C@Cu2O composites with a bean-like core/shell nanostructure have been successfully synthesized by self-assembly approach. The synthetic route is feasible, low-cost and green. size of the as-prepared magnetic about 420 nm shells are composed several nanoparticles in range 5∼10 nm. Interestingly, carbonaceous layer bound hydrophilic groups inherited from starting materials acted as both linker stabilizer between Fe3O4 Cu2O. exhibit ferromagnetic behaviour, good dispersibility...

Separation and recycling of catalysts after catalytic reactions are critically required to reduce the cost as well avoid generation waste in industrial applications. In this work, we present a facile fabrication characterization novel type MOF-based porous catalyst, namely, Fe3O4@MIL-100(Fe) core–shell magnetic microspheres. It has been shown that these not only exhibit high activities for Claisen–Schmidt condensation under environmentally friendly conditions, but remarkably, they can be...

Anisotropic gold nanoparticles have been prepared by the photochemical reduction in room-temperature ionic liquid 1-butyl-3-methylimidazolium tetrafluoroborate ([BMIM][BF4]) without any additional capping agent. Scanning electron microscopy, transmission X-ray photoelectron spectroscopy, diffraction, and Fourier transform infrared spectroscopy used to characterize as-prepared products. The results show that especial shape particles can be controlled [BMIM][BF4] reaction conditions such as...