caa a22 4500 445827742 CHVBK 20180317145304.0 cr unu---uuuuu 170323e20110301xx s 000 0 eng 10.1007/s10854-010-0127-6 doi (NATIONALLICENCE)springer-10.1007/s10854-010-0127-6 Effect of humidity treatment on the structure and photocatalytic properties of titania mesoporous powder [Elektronische Daten] [L. Samie, A. Beitollahi, N. Faal-Nazari, M. Akbar Nejad, A. Vinu] In the work presented here, mesoporous titania (MT) powders is synthesized by sol-gel method using amphiphilic triblock copolymer as a template at two different levels of relative humidity (RH); 20 and 80%. Various techniques such as small angle X-ray diffraction (SAXRD), wide angle X-ray diffraction (XRD), UV-visible spectroscopy, high resolution transmission electron microscopy (HRTEM), Fourier transformed infra red (FTIR) spectroscopy and N2-adsorption/desorption analysis were utilized to study the prepared samples. Further, the photocatalytic activities of the prepared samples were evaluated from the photo-degradation analysis of methylene blue (MB). For the sample treated with 80%RH the formation of an ordered mesoporous structure with a high specific surface area (172m2g−1), mesoporosity (48%) and enhanced photocatalytic activity were obtained compared to those of the sample subjected to 20%RH. The observed increased MB degradation for the latter is mainly attributed to the formation of higher specific surface area and mesoporosity. The availability of highly ordered open pore channels could provide increased contacts between reactants in the solution and the active sites on the surfaces of MT particles. Springer Science+Business Media, LLC, 2010 Samie L. Center of Excellence for Advanced Materials and Processing, Nanomaterials Group, School of Metallurgy and Materials Engineering, Iran University of Science and Technology (IUST), Narmak, Farjam, Tehran, Iran aut Beitollahi A. Center of Excellence for Advanced Materials and Processing, Nanomaterials Group, School of Metallurgy and Materials Engineering, Iran University of Science and Technology (IUST), Narmak, Farjam, Tehran, Iran aut Faal-Nazari N. Center of Excellence for Advanced Materials and Processing, Nanomaterials Group, School of Metallurgy and Materials Engineering, Iran University of Science and Technology (IUST), Narmak, Farjam, Tehran, Iran aut Akbar Nejad M. Research Institute of Petroleum Industries (RIPI), Tehran, Iran aut Vinu A. International Center for Materials Nanoarchitectornics, World Premier International Research Center, NIMS, 305 0044, Tsukuba, Japan aut Journal of Materials Science: Materials in Electronics Springer US; http://www.springer-ny.com 22/3(2011-03-01), 273-280 0957-4522 22:3<273 2011 22 10854 https://doi.org/10.1007/s10854-010-0127-6 text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1007/s10854-010-0127-6 text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Samie L. Center of Excellence for Advanced Materials and Processing, Nanomaterials Group, School of Metallurgy and Materials Engineering, Iran University of Science and Technology (IUST), Narmak, Farjam, Tehran, Iran aut NATIONALLICENCE 700 1- Beitollahi A. Center of Excellence for Advanced Materials and Processing, Nanomaterials Group, School of Metallurgy and Materials Engineering, Iran University of Science and Technology (IUST), Narmak, Farjam, Tehran, Iran aut NATIONALLICENCE 700 1- Faal-Nazari N. Center of Excellence for Advanced Materials and Processing, Nanomaterials Group, School of Metallurgy and Materials Engineering, Iran University of Science and Technology (IUST), Narmak, Farjam, Tehran, Iran aut NATIONALLICENCE 700 1- Akbar Nejad M. Research Institute of Petroleum Industries (RIPI), Tehran, Iran aut NATIONALLICENCE 700 1- Vinu A. International Center for Materials Nanoarchitectornics, World Premier International Research Center, NIMS, 305 0044, Tsukuba, Japan aut NATIONALLICENCE 773 0- Journal of Materials Science: Materials in Electronics Springer US; http://www.springer-ny.com 22/3(2011-03-01), 273-280 0957-4522 22:3<273 2011 22 10854 Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer