Template‐free hydrothermal synthesis of α‐molybdenum trioxide nanobelts and their photocatalytic activity for degradation of methylene blue

2013 ◽  
Vol 8 (9) ◽  
pp. 500-503 ◽  
Author(s):  
Bin Gao ◽  
Huiqing Fan ◽  
Xiaojun Zhang ◽  
Changjun Zhu
Keyword(s):  
Methylene Blue ◽  
Photocatalytic Activity ◽  
Hydrothermal Synthesis ◽  
Molybdenum Trioxide ◽  
Template Free

Hydrothermal Synthesis and Photocatalytic Activities of La-Doped BiVO4 Microcakes

2014 ◽  
Vol 881-883 ◽  
pp. 177-180
Author(s):  
Guo Cong Liu ◽  
Shi Hua Xu ◽  
Yin Jian Liang
Keyword(s):  
Methylene Blue ◽  
Photocatalytic Activity ◽  
Hydrothermal Synthesis ◽  
Absorption Band ◽  
Visible Light Irradiation ◽  
Hydrothermal Route ◽  
Monoclinic Crystal ◽  
Photocatalytic Activities ◽  
Template Free ◽  
La Doped

Novel La-doped BiVO4microcakes have been hydrothermally synthesized and characterized by XRD, XPS, SEM, and DRS techniques.The results reveal that the well crystallized and cake-like Bi0.95La0.05VO4monoclinic crystal with the diameter range of 15 μm and the width range of 0.2-0.8 μm can be obtained via a template-free hydrothermal route. Compared with pure BiVO4microcakes, Bi0.95La0.05VO4microcake shows a little red shift in the absorption band, resulting in a narrowed band gap (2.37 eV), which has the better photocatalytic activity with a 98.6 % degradation of methylene blue (MB) with a concentration of 10 mg/L under visible-light irradiation for 60 min.

Fabrication of an olive-like BiVO4 hierarchical architecture with enhanced visible-light photocatalytic activity

RSC Advances ◽  
2016 ◽  
Vol 6 (36) ◽  
pp. 30115-30124 ◽  
Author(s):  
Bin Wang ◽  
Lingju Guo ◽  
Tao He
Keyword(s):  
Methylene Blue ◽  
Photocatalytic Activity ◽  
Visible Light ◽  
Hydrothermal Method ◽  
Hierarchical Architecture ◽  
Visible Light Photocatalytic Activity ◽  
Template Free ◽  
Visible Light Photocatalytic

The olive-like BiVO4 hierarchical architecture can be synthesized by a facile, template-free hydrothermal method, which shows high visible-light photocatalytic activity for degradation of methylene blue molecules.

Hydrothermal synthesis of bismuth vanadate-alumina assisted by microwaves to evaluate the photocatalytic activity in the degradation of methylene Blue

2020 ◽  
Vol 353 ◽  
pp. 126-133 ◽  
Author(s):  
Rocío Magdalena Sánchez-Albores ◽  
Bianca Yadira Pérez-Sariñana ◽  
C.A. Meza-Avendaño ◽  
P.J. Sebastian ◽  
Odín Reyes-Vallejo ◽  
...  
Keyword(s):  
Methylene Blue ◽  
Photocatalytic Activity ◽  
Hydrothermal Synthesis ◽  
Bismuth Vanadate

scholarly journals Hydrothermal Synthesis of (001) Facet Highly Exposed ZnO Plates: A New Insight into the Effect of Citrate

Crystals ◽  
2019 ◽  
Vol 9 (11) ◽  
pp. 552 ◽  
Author(s):  
Shirui Luo ◽  
Ruosong Chen ◽  
Lan Xiang ◽  
Jing Wang
Keyword(s):  
Methylene Blue ◽  
Photocatalytic Activity ◽  
Hydrothermal Synthesis ◽  
Growth Mechanism ◽  
Zno Nanoparticles ◽  
Hydrothermal Route ◽  
One Step ◽  
Synthesis Routes ◽  
First Time ◽  
Insight Into

In this work, two synthesis routes were applied to investigate the effect of citrates on the construction of the ZnO structure. Well-dispersed ZnO plates with (001) facet highly exposed were prepared via one-step hydrothermal route, while ZnO nanoparticles were obtained via two-step route. In one-step route, citrates were added before the formation of Zn(OH)2 precursor, while citrates were added after the formation of Zn(OH)2. For the first time, the interaction between citrates and the Zn(OH)2 precursor was investigated and citrates that participated in the formation of Zn(OH)2 were the main cause for (001) facet exposed structure construction. A growth mechanism about the formation of ZnO plates in the presence of citrates was proposed. The as-prepared ZnO plates showed enhanced photocatalytic activity for the degradation of methylene blue (MB).

Template-free hydrothermal synthesis and high photocatalytic activity of ZnWO4 nanorods

2012 ◽  
Vol 177 (13) ◽  
pp. 1126-1132 ◽  
Author(s):  
Bin Gao ◽  
Huiqing Fan ◽  
Xiaojun Zhang ◽  
Lixun Song
Keyword(s):  
Photocatalytic Activity ◽  
Hydrothermal Synthesis ◽  
High Photocatalytic Activity ◽  
Template Free

Hydrothermal Synthesis of Bi4Ti3O12/TiO2 Composite

2016 ◽  
Vol 697 ◽  
pp. 109-112
Author(s):  
Wei Zhao ◽  
Nian Qi Liu ◽  
Hong Xing Wang ◽  
Yu Bo Zhang ◽  
Shi Meng Zhang ◽  
...  
Keyword(s):  
Electron Microscopy ◽  
Methylene Blue ◽  
Photocatalytic Activity ◽  
Hydrothermal Synthesis ◽  
Scan Electron Microscopy ◽  
Raw Material ◽  
Molar Ratio ◽  
Hydrothermal Processing ◽  
X Ray Diffraction ◽  
X Ray

A hydrothermal processing technology was employed to synthesize Bi4Ti3O12/TiO2 composite by using TiO2 and Bi(NO3)3 as reactor precursors, and KOH as mineralizer. The microstructure and composition of the as-synthesized samples were characterized by X-ray diffraction (XRD), scan electron microscopy (SEM), and the photocatalytic activity was studied. The results showed that Bi/Ti molar ratio, mass of the KOH and the hydrothermal parameters play important roles on the morphology and activities of the photocatalyst. We could obtain composites with good morphology and better performance with 200 °C hydrothermal treatment for 12 h, 0.01 mol/L of KOH, and 1:2 of mole ratio of Bi/Ti, as well as using good crystalline TiO2 as the raw material. The as-prepared powder has a diameter of about 800nm, and the decolorized rate of methylene blue could reach 95 % after the UV-irradiation for 5 h.

Hydrothermal synthesis of molybdenum trioxide, characterization and photocatalytic activity

2018 ◽  
Vol 100 ◽  
pp. 120-130 ◽  
Author(s):  
Shahab-ud-Din ◽  
M. Zubair Ahmad ◽  
Khizar Qureshi ◽  
Ijaz Ahmad Bhatti ◽  
Muhammad Zahid ◽  
...  
Keyword(s):  
Photocatalytic Activity ◽  
Hydrothermal Synthesis ◽  
Molybdenum Trioxide
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