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Metal Oxide Heterojunction for Photocatalytic Activities

Journal of Visualized Experiments, 2022
There is a significant global demand for improvements in synthesis techniques and their optimal characteristics, especially for industrial-scale applications. Sol-gel-based solution combustion synthesis (SG-SCS) is a simple method to produce ordered porous materials.
Buzuayehu, Abebe   +4 more
openaire   +2 more sources

Photocatalytic activity of TiO2/SiO2 systems

Journal of Hazardous Materials, 2010
Silica-supported TiO(2) powders were synthesized by a wet method under mild conditions. The aim of the work was the preparation of TiO(2)/SiO(2) additives for photocatalytic cements. Three types of commercial SiO(2) were used as supports: Cabot, Axim and Fly Ash.
BELLARDITA, Marianna   +6 more
openaire   +3 more sources

A Photocatalytically Active Lubricant‐Impregnated Surface

Angewandte Chemie International Edition, 2017
AbstractLubricant impregnated surfaces (LISs) exhibit sliding angles below 5°. A LIS is presented that possesses photocatalytic activity as well as improved liquid repellency. In a single‐step reaction, the surface of photocatalytic mesoporous TiO2 substrate is modified by grafting polydimethylsiloxane (PDMS) brush and the residual non‐bound PDMS ...
Sanghyuk Wooh, Hans-Jürgen Butt
openaire   +3 more sources

Titania Nanoflowers with High Photocatalytic Activity

Journal of the American Ceramic Society, 2006
Titania with nanostructures has attracted considerable attention due to its potential use in catalysts, gas sensors, photovoltaic cells, photonic crystals, etc. This paper reports the synthesis of titania nanoflowers by simply oxidizing pure titanium with hydrogen peroxide solutions containing hexamethylenetetramine and nitric acid
Osaka, A, Huang, B, Wang, M, Wu, JM
openaire   +3 more sources

Photocatalytic activity of semiconductor sulfide heterostructures

Dalton Transactions, 2013
This paper reports a theoretical and experimental study of the heterostructure photocatalytic activity in a CdS or ZnS and CdS@ZnS decorated system prepared by a microwave assisted solvothermal (MAS) method. A theoretical model of the decorated system was created in order to analyze the electronic transition mainly in their interface.
Raubach, Cristiane W.   +5 more
openaire   +3 more sources

The synthesis and photocatalytic activity of ZnSe microspheres

Nanotechnology, 2010
This paper reports the synthesis of semiconductor ZnSe microspheres composed of nanoparticles via a solvothermal route between the organic molecule selenophene (C(4)H(4) Se) and ZnCl(2) without adding any surfactant. The ZnSe microspheres were characterized by x-ray diffraction (XRD), Raman spectroscopy, scanning electron microscopy (SEM), field ...
Huaqiang, Cao   +2 more
openaire   +2 more sources

Photocatalytic Activity of Hydrogenated TiO2

ACS Applied Materials & Interfaces, 2013
Photocatalysis is a promising advanced water treatment technology, and recently the possibility of using hydrogenation to improve the photocatalytic efficiency of titanium dioxide has generated much research interest. Herein we report that the use of high-temperature hydrogenation to prepare black TiO2 primarily results in the formation of bulk defects
Tim, Leshuk   +5 more
openaire   +2 more sources

Chemical Auxiliary for Photocatalytic Active Colloids

Journal of the American Chemical Society
Active colloids with the ability to self-propel and collectively organize are emerging as indispensable elements in microrobotics and soft matter physics. For chemically powered colloids, their activity is often induced by gradients of chemical species in the particle's vicinity.
Wendi Duan   +12 more
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Preparation and photocatalytic activity of SnO2

Materials Letters, 2016
SnO2 is prepared by the hydrolysis and the automatic oxidation of SnCl2 in water, it shows the photo catalytic activity for the degradation of methyl orange in water under the UV light illumination. In the above process, methyl orange concentration decreases quickly, the total organic carbon (TOC) decreases slowly; inorganic ions (SO42-, NO3-, NH4 ...
Yu Zhiyong   +5 more
openaire   +1 more source

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