Semiconductor research has demonstrated the main application in areas such as hydrogen production through photocatalytic water splitting [1], dye sensitized solar cells [2] and photocatalytic treatment of harmful organics from air and water [3]. Developing of efficient visible light responsive photocatalysts for environmental remediation has become the main area in photocatalysis research becau...

Photocatalysis describes the excitation of titanium dioxide nanoparticles (a wide-band gap semiconductor) by UVA light to produce reactive oxygen species (ROS) that can destroy many organic molecules. This photocatalysis process is used for environmental remediation, while antimicrobial photocatalysis can kill many classes of microorganisms and can be used to sterilize water and surfaces and po...

Solar photocatalysis is investigated as a potential advanced oxidation process for the removal of small amounts of acetophenone (ACP), a recalcitrant chemical pollutant detected in the effluent water from many petrochemical and other industries. Semiconductor oxide ZnO is used as the catalyst. The influence of various reaction parameters such as initial concentration of ACP, ZnO dosage, pH of t...

Semiconductor research has demonstrated the main application in areas such as hydrogen production through photocatalytic water splitting [1], dye sensitized solar cells [2] and photocatalytic treatment of harmful organics from air and water [3]. Developing of efficient visible light responsive photocatalysts for environmental remediation has become the main area in photocatalysis research becau...

Organic compounds in wastewaters coming from textile and pharmaceutical industry generated multiple harmful effects on the environment and the human health. One of them is the methyl orange (MeO), an azoic dye considered to be a recalcitrant compound. The heterogeneous photocatalysis emerges as an alternative for treating this type of hazardous compounds, through the generation of OH radicals u...