Three-dimensional (3D) sea-urchin-like hierarchical TiO2 microspheres: growth mechanism and highly enhanced photocatalytic activity

2014 ◽  
Vol 25 (9) ◽  
pp. 4156-4162 ◽  
Author(s):  
Yi Zhou ◽  
Yutang Wang ◽  
Qin Yi ◽  
Mengyao Li ◽  
Xuzhi Li ◽  
...  
ACS Omega ◽  
2019 ◽  
Vol 4 (9) ◽  
pp. 14013-14020 ◽  
Author(s):  
Hiran D. Kiriarachchi ◽  
Khaled M. Abouzeid ◽  
Longli Bo ◽  
M. Samy El-Shall

2018 ◽  
Vol 54 (61) ◽  
pp. 8494-8497 ◽  
Author(s):  
Li Xue ◽  
Zhipeng Lü ◽  
Yingzhi Cheng ◽  
Xiuyu Sun ◽  
Hongtao Lin ◽  
...  

Novel three-dimensional ZnAl–LDH/AAO and NiAl–LDH/AAO membranes using porous anodic aluminum oxide (AAO) templates as a substrate and an Al3+ source were successfully fabricated via a simple precipitant-free in situ growth technique.


2016 ◽  
Vol 69 (1) ◽  
pp. 119 ◽  
Author(s):  
Li Lin ◽  
Ya Wang ◽  
Manhong Huang ◽  
Donghui Chen

Three-dimensional (3D) BiOBr/BiOI hierarchical microspheres were successfully fabricated on the surface of fly ash cenospheres (FACs) via a facile one-pot solvothermal method for the first time. The as-prepared samples were characterized by XRD, SEM, energy-dispersive X-ray spectroscopy, UV–visible diffuse reflectance spectroscopy, and high-resolution transmission electron microscopy. The results indicated that the loaded hierarchical microspheres exhibited a uniform distribution, and some aggregation was observed. These well-dispersed hierarchical microspheres were composed of 2D nanosheets, which possess heterojunction structures. Based on the photodegradation tests examining the removal of rhodamine B from water under visible light irradiation (λ > 420 nm), the photocatalytic activity of BiOB/BiOI/FACs was superior to that of BiOBr/FACs and BiOI/FACs. A proposed mechanism for the enhanced photocatalytic activity displayed by BiOB/BiOI/FACs is discussed.


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