Visible light driven photocatalysis for water purification by highly crystalline multiferroic BiFeO3 nanoparticles synthesized via wet chemical route

2017 ◽  
Vol 85 ◽  
pp. 282-290 ◽  
Author(s):  
Sajjad Ahmad ◽  
Fizza Naseem ◽  
Muhammad Shahid ◽  
Imran Shakir ◽  
Mohamed F.A. Aboud ◽  
...  
2018 ◽  
Vol 8 (1) ◽  
Author(s):  
Gareth Clarke ◽  
Andrii Rogov ◽  
Sarah McCarthy ◽  
Luigi Bonacina ◽  
Yurii Gun’ko ◽  
...  

2019 ◽  
Vol 9 (1) ◽  
Author(s):  
Gareth Clarke ◽  
Andrii Rogov ◽  
Sarah McCarthy ◽  
Luigi Bonacina ◽  
Yurii Gun’ko ◽  
...  

A correction to this article has been published and is linked from the HTML and PDF versions of this paper. The error has been fixed in the paper.


Author(s):  
Pratibha L. Gai ◽  
M. A. Saltzberg ◽  
L.G. Hanna ◽  
S.C. Winchester

Silica based ceramics are some of the most fundamental in crystal chemistry. The cristobalite form of silica has two modifications, α (low temperature, tetragonal form) and β (high temperature, cubic form). This paper describes our structural studies of unusual chemically stabilized cristobalite (CSC) material, a room temperature silica-based ceramic containing small amounts of dopants, prepared by a wet chemical route. It displays many of the structural charatcteristics of the high temperature β-cristobalite (∼270°C), but does not undergo phase inversion to α-cristobalite upon cooling. The Structure of α-cristobalite is well established, but that of β is not yet fully understood.Compositions with varying Ca/Al ratio and substitutions in cristobalite were prepared in the series, CaO:Al2O3:SiO2 : 3-x: x : 40, with x= 0-3. For CSC, a clear sol was prepared from Du Pont colloidal silica, Ludox AS-40®, aluminium nitrate nonahydrate, and calcium nitrate hexahydrate in proportions to form a final composition 1:2:40 composition.


2021 ◽  
Vol 602 ◽  
pp. 412574
Author(s):  
Tahira Akhter ◽  
Muhammad Asif Yousuf ◽  
Muhammad Asghar ◽  
Ibrahim A. Alsafari ◽  
Akmal Jamil ◽  
...  

Rare Metals ◽  
2009 ◽  
Vol 28 (2) ◽  
pp. 122-126 ◽  
Author(s):  
Xianming Wu ◽  
Runxiu Li ◽  
Shang Chen ◽  
Zeqiang He

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