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University of Science & Technology, Changsha 410076, China) Abstract: A novel method in which the photocatalysis is used to degrade HA in the sunlight was investigated. The Gd/N-codoped nano-TiO2... spectroscopy (Uv-Vis-DRS). The photoactivity was evaluated by the photodegradation of HA in an aqueous solution in the sunlight. The results show that Gd/N-codoped nano-TiO2 composite is a type......
brookite TiO2. Key words: co-doping; brookite titania; photocatalysis  ... sunlight as excitation energy and molecular oxygen as oxidant. Nano-particles of TiO2 co-doped with N and Fe(III) showed greatly-enhanced vis-photocatalytic activities[12]. Based on the first......
J. Cent. South Univ. Technol. (2010) 17: 1223-1229 DOI: 10.1007/s11771-010-0623-0 Synergy of adsorption and visible light photocatalysis to decolor methyl orange by activated carbon/nanosized CdS... catalyst. Key words: cadmium sulfide; chitosan; activated carbon; adsorption; visible light photocatalysis; methyl orange; decolorization 1 Introduction Heterogeneous photocatalysis has recently......
will decrease the photocatalytic H2 evolution activity. Key words: Y2Cu2O5; photocatalysis; H2 production; simulated sunlight irradiation Y2Cu2O5作为高温超导材料YBa2Cu3O7-x的第二相存在,具备较好的电磁性能,是一种优良的p型半导体材料[1].目前,对Y2Cu2O5...:A Preparation of Y2Cu2O5 photocatalyst for H2 production under simulated sunlight irradiation MENG Yan (School of Environmental Engineering, Changan University, Xi’an 710054, China) Abstract: Y2Cu2O5......
was evaluated by degradation of methyl orange with the concentration of 50 mg/L under the irradiation of simulated sunlight. The effects of molar ratio of Zn to Ga and calcination temperature... and the calcination temperature of 400 °C. The maximum photocatalytic degradation rate of MO was 97.1% within 60 min under the simulated sunlight irradiation, which is greatly higher than that of ZnO......
; 文献标识码:A Preparation of TiO2 composite powder by polymer network gel method and their photocatalysis performance GUAN Xiu-rong1, 2, SHAO Zhong-cai2, TIAN Yan-wen1, SUN Yang3 (1... of photoelectron and cavity. Key words: polymer network gel; titanium dioxide; photocatalysis  ......
activity was evaluated by the photocatalytic degradation of phenol in solution under sunlight irradiation. The results show that the crystallinity of anatase is improved by La doping. Moreover, La not only... photocatalyst prepared by the same method when the molar ratio of La to Ti is kept at 0.3%. Keywords: La doping; TiO2 photocatalyst; photocatalytic activity; sunlight 1 Introduction The photoassisted......
. Hydrolysis temperature is 20~40 ℃. Keyword: photocatalysis; nano-meter TiO2 powder; gelation; Received: 2000-05-19 自1972年Fujishima和Honda发现TiO2单晶电极光分解......
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......
, et al. Cu2-xSe/CdS composite photocatalyst with enhanced visible light photocatalysis activity[J]. Applied Surface Science, 2019, 478: 762-769. [10] GUO Qing, ZHOU Chuan-yao, MA Zhi-bo, et al. Fundamentals of TiO2 photocatalysis: Concepts, mechanisms, and challenges[J]. Advanced Materials, 2019, 31(50): 1901997. [11] 王亦清, 沈少华. 非金属掺杂石墨相氮化碳光催化的研究进展与展望[J]. 物理化学学报, 2020, 36(3): 1905080. WANG Yi-qing......