A facile, novel and low-temperature synthesis of MgO nanorods via thermal decomposition using new starting reagent and its photocatalytic activity evaluation

Metal organic frameworks as precursors for the manufacture of advanced catalytic materials

“…131 In their work, Salehifar et al developed a low-temperature synthesis procedure to obtain MgO nanorods via thermal decomposition of this Mg-MOF and evaluated its photocatalytic activity. 132 The as-prepared Mg-MOF was treated in an autoclave under hydrothermal conditions at 200 1C for 6 h. The obtained product was washed with distilled water and absolute methanol several times and dried at 70 1C for 5 h to yield MOF derived MgO nanorods. In order to evaluate the photocatalytic activity of the MgO nanorods, the decolorization of methylene blue (MB) was studied.…”

Metal-Organic Framework-Based Engineered Materials—Fundamentals and Applications

“…MOF-based composites such as metal oxides or sulfides are known as excellent carriers for the degradation of toxic dyes. The number of publications has reflected this enormous photocatalytic potential of MOFs to degrade or breakdown the dyes or dyes-containing byproducts [82,83]. The hybrid structures of MOF-based oxides and precious metals having a controllable size, shape, and structure are used as an excellent photocatalyst for the degradation of dyes.…”

Microscale flower-like magnesium oxide for highly efficient photocatalytic degradation of organic dyes in aqueous solution

“…In the development of a catalyst, reusability is another important consideration. Although much effort [19][20][21][22][23][24][25][26] has been made to use MgO in photocatalytic degradation of various dyes, its reusability is rarely considered. To characterize the reuse of the developed ower-like MgO particles, 100 mg L À1 methylene blue was degraded with recycled catalyst prepared following a simple centrifugation and calcination procedure.…”

“…13 Magnesium oxide (MgO), as a versatile oxide material, has found widespread applications in the elds of adsorption, 5 catalysis, 14 ceramics, 15 antibacterial materials, 16 paint, 17 and superconductor products. 18 Some attempts [19][20][21][22][23][24][25][26] have also been made to employ MgO as a photocatalyst for degradation of various dyes in aqueous solution based on its large band gap, low dielectric constant and refractive index. For example, Demirci and colleagues 27 studied the photocatalytic degradation rate of methylene blue solution (6 Â 10 À6 M, 1.9 mg L À1 ) under the catalysis of nanoscale MgO particles demonstrated comparable activity for the degradation of methylene blue, and the degradation efficiencies were 94% and 90% aer 240 min, respectively.…”

“…Mageshwari et al 20 investigated the photocatalytic activity of akes-like MgO nanoparticles synthesized by a reux condensation method, and found that 99.14% of degradation efficiency could be obtained for 15 mg L À1 of methyl orange and methylene blue dyes aer an irradiation period of 240 min. Salehifar et al 24 synthesized MgO nanorods via a thermal decomposition route, and observed this material exhibiting appreciable photocatalytic activity, and 90% degradation of methylene blue (25 mg L À1 ) was obtained aer 180 min. Kumara et al 23 reported the catalytic activity of MgO nanoparticles generated from low temperature (400 C) solution combustion method using urea as fuel, and 98% and 91% of methylene blue and methyl orange with a concentration of 60 mg L À1 were degraded aer a period of 60 min, respectively.…”