Affiliation: | 1.Department of Mechanical Engineering,Akdeniz University,Antalya,Turkey;2.Department of Chemistry, Faculty of Science,Akdeniz University,Antalya,Turkey;3.Mattek Advanced Materials R&D Ltd.,Akdeniz University Campus,Antalya,Turkey;4.NANOen R&D Ltd., Antalya Technopolis,Akdeniz University Campus,Antalya,Turkey;5.Prof. Dr. Hikmet Say?lkan Research and Development Laboratory for Advanced Materials,?n?nü University,Malatya,Turkey |
Abstract: | Self-cleaning photocatalytic TiO2 films are beneficial since they reduce the maintenance cost and enhance the efficiency of various optical systems, especially thermal and photovoltaic solar systems. However, the presence of a TiO2 layer on glass reduces the transmission of incident light, which leads to a decrease in efficiency. This drawback can be overcome by applying a layer of anti-reflective coating beneath the TiO2 layer. Generally, the anti-reflective layer is porous silica. The presence of the anti-reflective layer compensates for the loss of light transmittance caused by the photocatalytic TiO2 top layer. This paper reviews some of the previous and the latest fundamental studies in the literature on anti-reflective, self-cleaning and multi-functional films. |