A simple way to prepare Au@polypyrrole/Fe3O4 hollow capsules with high stability and their application in catalytic reduction of methylene blue dye

Nanoscale ◽  
2014 ◽  
Vol 6 (13) ◽  
pp. 7666-7674 ◽  
Author(s):  
Tongjie Yao ◽  
Tieyu Cui ◽  
Hao Wang ◽  
Linxu Xu ◽  
Fang Cui ◽  
...  

Au@PPy/Fe3O4 hollow capsules with excellent catalytic activity, good reusability and high stability were prepared in a simple way.

RSC Advances ◽  
2015 ◽  
Vol 5 (72) ◽  
pp. 58504-58513 ◽  
Author(s):  
Someshwar Pola ◽  
Mahesh Subburu ◽  
Ravinder Guja ◽  
Vithal Muga ◽  
Yu-Tai Tao

Ti(iv) Schiff base complex oxide photocatalysts with high stability for oxidative-cyclization and photodegradation of methylene blue dye under visible light irradiation.


2013 ◽  
Vol 2013 ◽  
pp. 1-8 ◽  
Author(s):  
Pannipa Wongkrua ◽  
Titipun Thongtem ◽  
Somchai Thongtem

Hexagonal molybdenum oxide (h-MoO3) nano- and microrods were successfully synthesized by refluxing of (NH4)6Mo7O24·4H2O solutions with the pH 1 at 90°C for 1, 3, 5, and 7 h and were further transformed into orthorhombic molybdenum oxide (α-MoO3) microplates by calcination at 450°C for 6 h. These selected products were used to determine the degradation of methylene blue dye under 35 W xenon lamp for 0–180 min, due to the photocatalysis and photosensitization processes. In this research, catalytic activity of the metastable h-MoO3has higher efficiency than that of the thermodynamically stableα-MoO3. Their phase and morphology transformation was also explained according to the experimental results.


2015 ◽  
Vol 39 (4) ◽  
pp. 3051-3058 ◽  
Author(s):  
Henrique S. Oliveira ◽  
Luiz C. A. Oliveira ◽  
Márcio C. Pereira ◽  
José D. Ardisson ◽  
Patterson P. Souza ◽  
...  

V-doped iron oxide exhibits remarkable catalytic activity for the oxidation of methylene blue with H2O2.


2019 ◽  
Vol 62 (3) ◽  
pp. 242-250
Author(s):  
O.I. Kaminsky ◽  
K.S. Makarevich ◽  
A.V. Zaitsev ◽  
S.A. Pyachin ◽  
E.A. Kirichenko ◽  
...  

Author(s):  
Naceur Benhadria ◽  
Mohammed Hachemaoui ◽  
Farouk Zaoui ◽  
Adel Mokhtar ◽  
Sadia Boukreris ◽  
...  

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