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membranes, the titania nanostructures synthesized with this method have higher photodegradation activity. Key words: PAA template, titania structures, theoretical model, photocatalytic activity 1... and the current density theory. A theoretical model based on the self-organized process was established to discuss the formation mechanism of PAA template from the chemical perspective. The titania......
to compressive stress and eventually cause the broadening of vibrating mode, which has been observed in phosphorus-doped titania[24]. 3.3 Photocatalytic activity Fig.4 shows the photocatalytic... nanostructures have been reported to form in the presence of HF by mild wet chemical process[25], the unexpected visible photocatalytic activity for undoped titania thin film observed in this experiment......
. Pore size distributions were calculated using the BJH model. 2.4 Evaluation of photocatalytic activity The photocatalytic degradation was carried out with AM sunlight under clear sky in summer (July..., SHIMOTAUMA H, KAJIKAWA M, HATAMACHI T, KODAMA T, KITAYAMA Y. Synthesis and photocatalytic activity of titania pillared clays [J]. J Porous Mater, 2001, 8(4): 295-301. [16] MOGYOR?SI K, D?K?NY I, FENDLER J H......
of tourmaline on the powders was proposed. Key words: TiO2/SiO2 powders; composite materials; titania; photocatalytic activity; tourmaline 1 Introduction Ever since the discovery of the photocatalytic.... Many researchers reported that titania particles loaded with Pt, Ag, and Fe show improved photocatalytic activity[4-6]. Some multicomponent or mixed oxides such as SrTiO3, titania/zirconia, and silica......
Eu2+/Gd3+-codoped nanocrystalline titania catalyst and its photocatalytic activity under natural light ZHOU Yi(周 艺)1, 2, HUANG Ke-long(黄可龙)1, ZHU Zhi-ping(朱志平)1, 2, XIA Chang-bin(夏畅斌)1 1. School... by the photodegradation of methyl orange in an aqueous solution under natural light irradiation. It has been confirmed that Eu2+/Gd3+-codoped titania could be excited by natural light. The higher natural light activity......
Effect of substrate temperature on structural properties and photocatalytic activity of TiO2 thin films ZHAO Lei(赵 磊), LIAN Jian-she(连建设) Key Lab of Automobile Materials, Ministry of Education... ℃, the anatase structure of the films changes from random growth to (211)-oriented growth. The absorption edge tested by UV-Vis Spectrometer has a blue shift. The photocatalytic activity of the films......
J. Cent. South Univ. (2018) 25: 1619-1627 DOI: https://doi.org/10.1007/s11771-018-3854-0 Facile synthesis of hierarchical BiOClxBr1–x solid solution with enhanced photocatalytic activity GU Ying...–x solid solution has enhanced photocatalytic degradation activity for rhodamine B. This phenomenon can be explained to the hierarchical structure, lager specific surface area and appropriate energy......
J. Cent. South Univ. Technol. (2011) 18: 56-62 DOI: 10.1007/s11771-011-0658-x Photocatalytic H2 evolution activity of CuO/ZrO2 composite catalyst under simulated sunlight irradiation YAN... thermal analysis (TG-DTA). The photocatalytic activity of CuO/ZrO2 catalyst was investigated based on the H2 evolution from oxalic acid solution under simulated sunlight irradiation. The effects......
reflectance spectroscopy. The Fe-doped CuO sample shows higher adsorption capacity and photocatalytic activity for xanthate degradation than pure CuO under visible light irradiation. In addition, the adsorption process is found to fit Langmuir isotherms and pseudo-second-order kinetics. the the first order kinetic Langmuir Hinshelwood model was used to study the reaction kinetics of photocatalytic......
successfully synthesized using glucose as template by a polyethylene glycol (PEG)-assisted one-pot hydrothermal method, and the photocatalytic activity of the samples has been investigated in detail...-sheng, YE Jin-hua, ZHOU Yong, ZOU Zhi-gang. A room-temperature reactive- template route to mesoporous ZnGa2O4 with improved photocatalytic activity in reduction of CO2 [J]. Angewandte Chemie......
