Pure SnO2 and Y-doped SnO2 nanobelts were prepared by thermal evaporation at 1350 °C in the presence of Ar carrier gas (30 sccm). The samples were characterized by scanning electron microscope (SEM), X-ray diffraction (XRD), energy dispersion spectrometer (EDS), X-ray photoelectron spectrometer (XPS), UV-Vis absorption spectroscopy, Raman spectroscopy, and Fourier transform infrared spectrum (F...

Substantial improvement is needed in efficient and affordable decolorization disinfection methods to solve the issues caused by dyes harmful bacteria water wastewater. This work involves photocatalytic degradation of methylene blue (MB) as well gram-negative gram-positive cobalt-doped tin oxide (Co-SnO2) nanoparticles (NPs) Co-SnO2/SGCN (sulfur-doped graphitic carbon nitride) nanocomposites (NC...

Ag@SnO2 nanosheets were prepared through a hydrothermal method followed by heat treatment and liquid reduction process. Many Ag nanoparticles (Ag NPs) dispersed uniformly over the surface of SnO2 nanosheets. The thickness was approximately 10 nm. After decoration with NPs, nanosheet sensors exhibited improved gas-sensing behaviors compared to pure sensor. response cross-linked decorated NP for ...

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High capacity, rapid-charging, and long-term recyclability are the essential characteristics of high-performance lithium-ion battery (LIB) electrodes, which particularly important in electric vehicle industry. Bimetallic Zn2SnO4 nanoparticles wrapped carbon shells were supersonically sprayed with reduced graphene oxide (rGO) nanosheets to fabricate binder-free, long-term-stable LIB anodes. The ...

We studied the structural behavior and electrical transport properties of epitaxial a-SnO thin films grown on the (1̄012) a-Al2O3 ~sapphire! substrate. Hall effect measurements revealed that the epitaxial as-deposited SnO film is a p-type semiconductor. In situ x-ray diffraction studies show that the a-SnO phase is metastable and will transform into SnO2 with the rutile type structure when annea...

The efficiency of high pressure extraction of lutein diesters from marigold (Tagetes erecta) flower petals has been investigated. The solvents used for extraction were supercritical carbon dioxide and liquid propane. Operating parameters were 300 bar and 40, 60 and 80 °C for CO2 and 100, 150, 200 bar and 40 and 60 °C for propane, respectively. The influence of process parameters on the total yi...