نتایج جستجو برای: microwave hydrothermal
تعداد نتایج: 67304 فیلتر نتایج به سال:
The present study was aimed to obtain the optimum yield of graphene oxide (GO) from Kahatagaha graphite by optimizing oxidation time, and effectively utilize hydrothermal microwave irradiation technique produce high quality reduced (rGO) with level reduction oxide. vein specifically selected for due its remarkable morphological, structural, compositional carbon isotropic variations other types ...
The low operating temperature of nanowire gas sensors along with their high surface-to-volume ratio are two factors that make more practical. In this paper, the growth ZnO nanowires on a vertically aligned CNT forest is reported. utilized method for was rapid microwave-assisted hydrothermal route, which facilitates low-temperature and ultra-fast fabrication. Organic vapor sensing properties fab...
Cesium in-cooperated in Mobile Composite Matter Number 41 (CsMCM-41) was synthesized via hydrothermal synthesis. The material used involve Ludox AS-40 as silica (SiO2) source, aluminum isoproxide alumina (Al2O3) hydroxide (CeOH) mineralizer. CsMCM-41 characterized using X-ray diffraction (XRD), N2 adsorption-desorption isotherms and fluorescence (XRF) spectroscopy. sample shows a high surface a...
Three new isostructural two-dimensional metal-organic frameworks (MOFs), [M(bpydc)(H(2)O).H(2)O](n) where M = Zn (1); Co (2); Ni (3) and the bpydc is 2,2'-bipyridine-5,5'-dicarboxylate), were prepared by various methods such as hydrothermal, ultrasonic and microwave-assisted synthetic methods. Microcrystalline could be obtained by using ultrasonification or microwave irradiation in a short time...
In this paper, the formation of ZrO₂ and yttria-stabilised-zirconia (YSZ) aqueous colloidal systems via microwave assisted hydrothermal synthesis is studied. Microwave synthesis allows a fast screening of the influence of different parameters such as time and temperature. The temperature varied from 140 °C up to 180 °C and the used reaction time varied from 5 min up to 1 h. The synthesised zirc...
SnO2/graphene composite with superior cycle performance and high reversible capacity was prepared by a one-step microwave-hydrothermal method using a microwave reaction system. The SnO2/graphene composite was characterized by X-ray diffraction, thermogravimetric analysis, Fourier-transform infrared spectroscopy, Raman spectroscopy, scanning electron microscope, X-ray photoelectron spectroscopy,...
Benzene, toluene, ethylbenzene and xylenes (BTEX) are some of the common environmental pollutants originating mainly from oil and gas industries, which are toxic to human as well as other living organisms in the ecosystem. Here we investigate photocatalytic degradation of BTEX under visible light irradiation using supported zinc oxide (ZnO) nanorods grown on glass substrates using a microwave a...
The use of microwaves to perform inorganic synthesis allows the direct transfer of electromagnetic energy inside the reaction mixture, independently of the temperature manifested therein. The conversion of microwave (MW) radiation into heat is useful in overcoming the activation energy barriers associated with chemical transformations, but the use of microwaves can be further extended to higher...
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