Facile fabrication of PS-CHO@CeO2 core-shell composite microspheres via in situ chemical deposition and their photocatalytic application on oxidative degradation of methyl orange

2020 ◽  
Author(s):  
Jingbo Ni ◽  
Ruyi Liu ◽  
Ming Zhang ◽  
Changhao Yan
Keyword(s):  
Methyl Orange ◽  
Oxidative Degradation ◽  
Chemical Deposition ◽  
Core Shell ◽  
Composite Microspheres ◽  
Photocatalytic Application ◽  
Facile Fabrication ◽  
Shell Composite ◽  
Degradation Of Methyl Orange

Preparation of P(St-co-MAA)/CeO2 composite microspheres via surface carboxyl oxidation followed by in situ chemical deposition of CeO2 and their catalytic application on oxidative degradation of methyl orange

RSC Advances ◽  
2014 ◽  
Vol 4 (55) ◽  
pp. 29042-29049 ◽  
Author(s):  
Guanzhi Cheng ◽  
Xinyi Huang ◽  
Hong Zhang ◽  
Yang Hu ◽  
Chengyou Kan
Keyword(s):  
Methyl Orange ◽  
Oxidative Degradation ◽  
Chemical Deposition ◽  
Catalytic Performance ◽  
Composite Microspheres ◽  
Catalytic Application ◽  
Degradation Of Methyl Orange ◽  
Excellent Catalytic Performance

P(St-co-MAA)/CeO2 composites microspheres were fabricated by a novel and facile approach, exhibiting excellent catalytic performance in oxidative degradation.

A PW12/Ag functionalized mesoporous silica-coated magnetic Fe3O4 core–shell composite as an efficient and recyclable photocatalyst

2021 ◽  
Author(s):  
Pan-Feng Wu ◽  
Qi Xue ◽  
Tian-Yu Wang ◽  
Shan-Jian Li ◽  
Gao-Peng Li ◽  
...  
Keyword(s):  
Mesoporous Silica ◽  
Photocatalytic Performance ◽  
Core Shell ◽  
Deposition Method ◽  
Functionalized Mesoporous Silica ◽  
Recyclable Photocatalyst ◽  
Shell Composite ◽  
Magnetic Fe3o4 ◽  
Fe3o4 Core

The PW12 and Ag NP functionalized Fe3O4@SiO2@mSiO2-PW12/Ag photocatalyst was assembled via an in situ photoreduction deposition method, displaying highly efficient photocatalytic performance for photodegradation of MO and photoreduction of Cr2O72−.

Fe-MKSF catalyst for oxidative degradation of methyl orange: influence of iron/clay ratio

2018 ◽  
Vol 5 (10) ◽  
pp. 21867-21873
Author(s):  
Nur Hidayati Abdullah ◽  
Nor Aida Zubir ◽  
Hamizura Hassan
Keyword(s):  
Methyl Orange ◽  
Oxidative Degradation ◽  
Degradation Of Methyl Orange

Synthesis Technology of Silica Aerogels/Polystyrene Core-Shell Composite Materials

2010 ◽  
Vol 168-170 ◽  
pp. 1833-1836
Author(s):  
Gang Qiang Geng ◽  
Jing Tao Guo ◽  
Jun Jun Zou ◽  
Gong Xun Bian
Keyword(s):  
Composite Materials ◽  
Polymerization Process ◽  
System Component ◽  
Core Shell ◽  
Ultrasound Technique ◽  
The Core ◽  
Optimum Reaction ◽  
The Impact ◽  
Shell Composite

In order to obtain super aerogels heat insulating composite materials with silane coupling agent on the in-situ surface treatment. The core-shell structure composite materials have been prepared by dispersion polymerization process of polystyrene grafted on the SiO2 particles. By TEM on these samples the impact of the system components initiator polymerization parameters and dispersion process was discussed. The results showed that the system component of the greatest impact on conversion rate is the ratio of aerogels /St ,the optimum reaction temperature is 75 °C.With organic initiator KPS as initiator after a unique ultrasound technique to obtain the core-shell composite materials structure which coating is 70%.

Effect of Ni Coated SiC on Mechanical Properties of SiC/Fe Composites

2014 ◽  
Vol 602-603 ◽  
pp. 578-581
Author(s):  
Bin Bin Wang ◽  
Bing Bing Fan ◽  
Wen Li ◽  
Chen Yang Wang ◽  
Bing Sun ◽  
...  
Keyword(s):  
Mechanical Properties ◽  
Bending Strength ◽  
Chemical Deposition ◽  
X Ray Diffraction ◽  
Composite Powders ◽  
Structure Morphology ◽  
Chemical Deposition Method ◽  
Shell Composite ◽  
Electronic Microscope

A facile onestep in situ chemical deposition method was introduced to synthesize Ni coated SiC composite powders, which used NiCl2·6H2O as nickel source and N2H4·H2O as reductant, respectively. SiC(Ni)/Fe composites were prepared by current-vacuum hot-pressed sintering at 850°C, 40MPa for 30min. Scanning electronic microscope (SEM) and X-ray diffraction (XRD) were used to characterize the structure, morphology and composition of the prepared Ni/SiC core/shell composite powders. It is found that the Ni coated SiC is favorable to improve the dispersion and compatibility of SiC(Ni)/ Fe composites. By a series of contrast experiments, it is shown that the sintering sample with 5wt% of SiC(Ni) has the best mechanical properties. The relative density, Vickers hardness and bending strength is 91.67%, 4.72GPa and 508MPa, respectively.

scholarly journals Core-Shell Nanostructure ofα-Fe2O3/Fe3O4: Synthesis and Photocatalysis for Methyl Orange

2011 ◽  
Vol 2011 ◽  
pp. 1-5 ◽  
Author(s):  
Yang Tian ◽  
Di Wu ◽  
Xiao Jia ◽  
Binbin Yu ◽  
Sihui Zhan
Keyword(s):  
Magnetic Field ◽  
Magnetic Properties ◽  
Methyl Orange ◽  
Molten Salts ◽  
Surface Oxidation ◽  
The Self ◽  
Core Shell ◽  
Shell Nanoparticles ◽  
Core Shell Nanoparticles

Fe3O4nanoparticle was synthesized in the solution involving water and ethanol. Then,α-Fe2O3shell was produced in situ on the surface of theFe3O4nanoparticle by surface oxidation in molten salts, formingα-Fe2O3/Fe3O4core-shell nanostructure. It was showed that the magnetic properties transformed from ferromagnetism to superparamagnetism after the primaryFe3O4nanoparticles were oxidized. Furthermore, the obtainedα-Fe2O3/Fe3O4core-shell nanoparticles were used to photocatalyse solution of methyl orange, and the results revealed thatα-Fe2O3/Fe3O4nanoparticles were more efficient than the self-preparedα-Fe2O3nanoparticles. At the same time, the photocatalyzer was recyclable by applying an appropriate magnetic field.

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