共搜索到30896条信息,每页显示10条信息,共3090页。用时:0小时0分0秒777毫秒
Article ID: 1003-6326(2005)05-1194-05 Comparison of photocatalytic activity of TiO2 film doped nonuniformly by Mn and Zn XU Wei(徐 伟)1, 2, LI Xin-jun(李新军)1, ZHENG Shao-jian(郑少健)1, WANG Jun... control. The actinic absorption of the catalyst thin films was evaluated by UV-vis spectrophotometry. And the activity of the photocatalyst was evaluated by photocatalytic degradation kinetics of aqueous......
Photocatalytic Activity of Nanosized TiO2 Enhanced by co-doping with Fe3+ and Nd3+ Ions Zhao Zhuo1,Fu Pingfeng1,Wang Jingxin3 (1.Department of Environmental Science, College of Arts & Science.... The metallic ion doped TiO2 was thoroughly characterized with XRD and UV-vis, and the photocatalytic activity was evaluated by degrading methylene blue (MB) solution. The results indicated that TiO2......
spectroscopy. The photocatalytic eliminations of the light alcohol were used as model reactions to evaluate the photocatalytic activity of the catalysts under ultraviolet light irradiation. The results...化活性的影响 Fig.6 Effect of system flow rate on photocatalytic activity of N-Fe/TiO2 catalyst 当体系流速为10 mL/min时,改变原料气的浓度,实验所测得低级醇的消除率与原料气浓度之间的关系如图7所示. 图7 体系流速为10 mL/min时醇的初始浓度对N-Fe/TiO2催化剂光......
; Abstract: A modified advanced oxidation process(AOP) utilizing a UV/electrochemically-generated peroxide system was used to fabricate titania films on chemically polished... of a dense titania film with a Ni-free zone near its top surface. In comparison, Ni can still be detected on the outer NiTi surface by the conventional AOP using the UV/H2O2 system. The depth profiles of O, Ni......
. Zn0.4Cd0.6S possessed the best photocatalytic activity and exhibited high stability during the reaction. Key words: monodisperse ZnxCd1-xS spheres; hydrothermal synthesis; solid solution; photocatalytic... microscope. The UV-vis absorption spectra were measured on a Shimadzu UV-2550 spectrophotometer using BaSO4 as a reference in wavelength of 200–800 nm. 2.3 Evaluation of photocatalytic activity......
reflectance spectroscopy,X-ray photoelectron spectroscopy,and N2 adsorption and desorption isotherms.Meanwhile,the photocatalytic activity of the as-prepared samples was explored using Rhodamine B as a model... of Rhodamine B was up to 92%.Moreover,the photocatalytic activity of Ag2ZnGeO4 remained unchanged after three successive cycles.关键词:......
Trans. Nonferrous Met. Soc. China 26(2016) 2380-2389 Synthesis and highly efficient photocatalytic activity of mixed oxides derived from ZnNiAl layered double hydroxides Li ZHANG1, Chao-hua DAI1, Xiu... and calcination temperature on the composition, morphology and photocatalytic activity of the samples were investigated in detail. The results indicated that compared with ZnNiAl-LDHs, the mixed-metal......
Trans. Nonferrous Met. Soc. China 25(2015) 3987-3994 In situ electrochemical synthesis of MOF-5 and its application in improving photocatalytic activity of BiOBr Hui-min YANG, Xian LIU, Xiu-li SONG...: metal-organic framewok (MOF); ionic liquids template agent; in situ electrochemical synthesis; BiOBr; photocatalytic 1 Introduction Metal–organic frameworks (MOFs) are some of the most rapidly......
Preparation and photocatalytic activity of laponite pillared by CeO2 modified TiO2林英光1,皮丕辉2,郑大锋2,杨卓如2,王炼石11. College of Materials Science and Engineering, South China University of Technology2... significantly increased. The Ce-Ti-lap showed the best photocatalytic activity in the degradation of MO compared with the pure TiO2, the laponite only pillared by TiO2 (Ti-lap) and the laponite only pillared......
Preparation and photocatalytic activity of laponite pillared by CeO2 modified TiO2林英光1,皮丕辉2,郑大锋2,杨卓如2,王炼石11. College of Materials Science and Engineering, South China University of Technology2... significantly increased. The Ce-Ti-lap showed the best photocatalytic activity in the degradation of MO compared with the pure TiO2, the laponite only pillared by TiO2 (Ti-lap) and the laponite only pillared......