A facile synthesis of Ag/AgCl hybrid nanostructures with tunable morphologies and compositions as advanced visible light plasmonic photocatalysts

2016 ◽  
Vol 45 (22) ◽  
pp. 9158-9165 ◽  
Author(s):  
Aasim Shahzad ◽  
Woo-Sik Kim ◽  
Taekyung Yu
Keyword(s):  
Photocatalytic Activity ◽  
Surface Plasmon Resonance ◽  
Methyl Orange ◽  
Visible Light ◽  
Visible Light Irradiation ◽  
Hybrid Nanostructures ◽  
Facile Synthesis ◽  
Strong Surface ◽  
Spr Effect ◽  
Degradation Of Methyl Orange

Ag/AgCl plasmonic photocatalysts are synthesized by a simple and rapid method in an aqueous-phase. The Ag/AgCl hybrid nanostructures exhibited enhanced photocatalytic activity and stability toward the degradation of methyl orange under visible light irradiation because of their strong surface plasmon resonance (SPR) effect.

Facile synthesis of AC@TiO2-S with improved visible light photocatalytic activity and recyclability through a controllable sol–gel approach

RSC Advances ◽  
2015 ◽  
Vol 5 (70) ◽  
pp. 56808-56814 ◽  
Author(s):  
Zhiying Duan ◽  
Zhichao Wang ◽  
Chufeng Sun ◽  
Lianbiao Zhao ◽  
Yanbin Wang
Keyword(s):  
Photocatalytic Activity ◽  
Methyl Orange ◽  
Visible Light ◽  
Visible Light Irradiation ◽  
Sol Gel ◽  
Light Irradiation ◽  
Facile Synthesis ◽  
Visible Light Photocatalytic Activity ◽  
Degradation Of Methyl Orange ◽  
Visible Light Photocatalytic

AC@TiO2-S prepared by controlled sol–gel approach exhibits improved photocatalytic activity over AC@TiO2-G prepared by sol–gel approach for the degradation of methyl orange under visible light irradiation and has excellent recyclability.

scholarly journals Ce2O3/BiVO4 Embedded in rGO as Photocatalyst for the Degradation of Methyl Orange under Visible Light Irradiation

J ◽  
2021 ◽  
Vol 4 (2) ◽  
pp. 154-168
Author(s):  
Damian C. Onwudiwe ◽  
Boitumelo M. Phadi ◽  
Opeyemi A. Oyewo
Keyword(s):  
Electron Microscopy ◽  
Photocatalytic Activity ◽  
Graphene Oxide ◽  
Methyl Orange ◽  
Visible Light ◽  
Reduced Graphene Oxide ◽  
Visible Light Irradiation ◽  
Light Irradiation ◽  
Reduced Graphene ◽  
Degradation Of Methyl Orange

A p–n heterojunction semiconductor structure composed of Ce3O4 and BiVO4 has been synthesized and then incorporated into reduced graphene oxide (rGO) by the hydrothermal method. The ternary composites were characterized by X-ray diffraction, transmission electron microscopy (TEM), scanning electron microscopy (SEM), electron diffraction spectroscopy (EDS), and UV–vis spectroscopy. The efficiency of the composites as photocatalysts was determined by studying the oxidative degradation of methyl orange in aqueous solution under visible light irradiation. The effect of parameters such as pH, catalyst loading, and concentration of the dye solution was examined in order to determine their influence on the photocatalytic activity of the composites. The composite incorporated into reduced graphene oxide presented the highest percentage (above 90%) in 2 h time, attributed to the effect of the increased surface area. The process of the enhanced photocatalytic activity has been discussed based on the energy band positions of the nanoparticles within the composite.

Preparation of Cu2O/TiO2 Heterostructure with High Visible-Light Photocatalytic Activity

2014 ◽  
Vol 1073-1076 ◽  
pp. 47-51
Author(s):  
Qiu Li Yang ◽  
Yi Wen Fang ◽  
Yi Bing Song ◽  
Sa Sa Jia ◽  
Ya Li Lu ◽  
...  
Keyword(s):  
Photocatalytic Activity ◽  
Methyl Orange ◽  
Visible Light ◽  
Visible Light Irradiation ◽  
Model Compound ◽  
Experimental Results ◽  
Molar Ratios ◽  
Pure Cu ◽  
Degradation Of Methyl Orange ◽  
Visible Light Photocatalytic

The Cu2O/TiO2heterostructure nanocomposites photocatalysts with different molar ratios of Cu2+/Ti4+were successfully synthesized by a simple hydrothermal procedure. The obtained samples were characterized by XRD, SEM, UV-vis DRS in order to detect the composition, the shape and the property. The photocatalytic activity of Cu2O/TiO2nanocomposites was evaluated by the degradation of methyl orange (MO) as a model compound. The experimental results showed that the prepared Cu2O/TiO2nanocomposites exhibited higher photocatalytic activity for the degradation of MO than the pure Cu2O and the commercial anatase TiO2under visible light irradiation.

Hydrothermal Synthesis and Investigation of Photocatalytic Properties of Fe-N Co-Doped NaTaO3

2013 ◽  
Vol 457-458 ◽  
pp. 202-205 ◽  
Author(s):  
Yan Ru Zhao ◽  
Tian Cheng Xiang ◽  
Pei Lin Han
Keyword(s):  
Photocatalytic Activity ◽  
Hydrothermal Synthesis ◽  
Methyl Orange ◽  
Visible Light ◽  
Visible Light Irradiation ◽  
Diffuse Reflectance ◽  
Narrow Band ◽  
Molar Ratio ◽  
Co Doped ◽  
Degradation Of Methyl Orange

Fe-N co-doped NaTaO3 was prepared by hydrothermal method with different Fe-N concentrations (Fe-N molar ratio 1:1) and characterized by the XRD, SME and UV-vis diffuse reflectance spectra. The results showed that Fe-N co-doped samples were given an increase surface and narrow band gap (2.92 eV) compared to pure NaTaO3. The sample doped with 0.15% Fe-N of a molar ratio displays highest photocatalytic activity in the degradation of methyl orange under visible light irradiation.

scholarly journals Photocatalytic Degradation of Methylene Blue and Methyl Orange by Y-PTC Metal-Organic Framework

2021 ◽  
Vol 7 (2) ◽  
pp. 129-141
Author(s):  
Adawiah Adawiah ◽  
Muhammad Derry Luthfi Yudhi ◽  
Agustino Zulys
Keyword(s):  
Methylene Blue ◽  
Photocatalytic Activity ◽  
Methyl Orange ◽  
Visible Light ◽  
Visible Light Irradiation ◽  
Metal Organic Framework ◽  
Light Irradiation ◽  
Bandgap Energy ◽  
Metal Organic ◽  
Organic Framework

The yttrium based metal-organic framework (MOF) Y-PTC was synthesized by the solvothermal method using perylene as the linker and yttrium as metal ion. This study aims to assess the photocatalytic activity of yttrium-perylenetetracarboxylate (Y-PTC) metal-organic framework (MOF) toward methylene blue and methyl orange under visible light irradiation. The results of the FTIR analysis showed that Y-PTC MOF had a different structure and composition from its precursor (Na4PTC). The Y-PTC MOF has a bandgap energy value of 2.20 eV with a surface area of 47.7487 m2/g. The SEM-EDS analysis showed an elemental composition of yttrium, carbon, and oxygen, were 6.9%, 72.1% and 20.7%, respectively. Furthermore, Y-PTC MOF was able to adsorb dyes at the optimum by 78.10% and 35.57% toward methylene blue (MB) and methyl orange (MO) at the dispersion period of 60 mins. Y-PTC MOF exhibited photocatalytic activity towards the degradation of methylene blue and methyl orange under visible light irradiation. The addition of H2O2 inhibited Y-PTC photocatalytic activity towards MO degradation from 50.89% to 26.38%. In contrast to MO, the addition of H2O2 had a positive effect on MB, which increased the degradation from 87.56% to 91.65%. Therefore, Y-PTC MOF possessed the potential of a photocatalyst material in dyes degradation under visible light irradiation.

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