Please wait a minute...
Acta Physico-Chimica Sinica  2006, Vol. 22 Issue (08): 953-957    DOI: 10.3866/PKU.WHXB20060809
Photocatalytic Activity of Au Modified Nano-TiO2 for NPE-10 Degradation
FENG Chun-Bo;DU Zhi-Ping;Zhao Yong-Hong;TAI Xiu-Mei;LI Qiu-Xiao
China Research Institute of Daily Chemical Industry, Taiyuan 030001
Download:   PDF(262KB) Export: BibTeX | EndNote (RIS)      

Abstract  The Au modified nanosized titanium oxide (TiO2) powders were prepared by sol-gel route at ambient temperature using Ti(OC4H9)4 and HAuCl4 as raw materials. The as-prepared samples were analyzed by XRD, BET, XPS and UV-visible absorption spectra technique. Photodegration for non-ionic surfactant Nonylphenyl poly(oxyethylene)ethers (NPE-10) has been carried out in air-equilibrated Au/TiO2 suspensions. The results suggest that the conformation of Au in the TiO2 composite was largely dependent on concentration of HAuCl4 during the preparation and the Au/TiO2 heat-treated temperature. The doped Au may take place Ti4+ in the lattices of TiO2 as Au3+ or exist at surface of TiO2 particles as atoms. The former may contribute to light adsorption range from.480 to 650 nm and may produce more O vacancies; the later may become the acceptor of photoinduced e- leading to a decrease of e-/h+ recombination. The preparation parameters were optimized by means of NPE-10 degradation. The optimized catalyst was obtained at Au/Ti molar ratio of 0.005 and calcined at 500℃. The degradation rate of NPE-10 could be up to 91.8% after irradiated 4 h in sunlight compared to 66% for the rate of TiO2-P-25 and 50.2% for the rate of no-doping TiO2 .

Key wordsAu/TiO2      sol-gel method      visible light response      photocatalytic degradation      NPE-10     
Received: 19 January 2006      Published: 07 July 2006
MSC2000:  O643  
Corresponding Authors: DU Zhi-Ping     E-mail:
Cite this article:

FENG Chun-Bo;DU Zhi-Ping;Zhao Yong-Hong;TAI Xiu-Mei;LI Qiu-Xiao . Photocatalytic Activity of Au Modified Nano-TiO2 for NPE-10 Degradation. Acta Physico-Chimica Sinica, 2006, 22(08): 953-957.

URL:     OR

[1] ZHANG Yun-Long, ZHANG Yu-Zhi, SONG Li-Xin, GUO Yun-Feng, WU Ling-Nan, ZHANG Tao. Synthesis and Photocatalytic Performance of Ink Slab-Like ZnO/Graphene Composites[J]. Acta Physico-Chimica Sinica, 2017, 33(11): 2284-2292.
[2] WANG Rui-Fen, WANG Fu-Ming, SONG Jin-Ling, AN Sheng-Li, WANG Xin. Synthesis and Photocatalytic Activities of Rare Earth-Boron Co-Doped Slice Layer TiO2[J]. Acta Physico-Chimica Sinica, 2016, 32(2): 536-542.
[3] TONG La-Ga, LIU Jin-Yan, WANG Cen-Chen, RONG Hua, LI Wei. Preparation of Micro/Nano ZnO Pompons and Their Catalytic Activity for the Solar Degradation of Organic Dyes[J]. Acta Physico-Chimica Sinica, 2015, 31(8): 1615-1620.
[4] CHEN Feng-Ying, XIAO Li, YANG Cui-Xia, ZHUANG Lin. Preparation and Electrocatalytic Properties of Perovskite Type Oxides CaVO3 for Oxygen Reduction Reaction[J]. Acta Physico-Chimica Sinica, 2015, 31(12): 2310-2315.
[5] YAN Jing-Sen, WANG Hai-Yan, ZHANG Jing-Ru, XU Hui-Juan. Effect of TiO2-Al2O3 Support Preparation Technique on Hydrodenitrogenation of Ni2P/TiO2-Al2O3 Catalysts[J]. Acta Physico-Chimica Sinica, 2014, 30(7): 1309-1317.
[6] WANG Wen-Jun, ZHAO Hong-Bin, YUAN An-Bao, FANG Jian-Hui, XU Jia-Qiang. Hydrothermal Sol-Gel Method for the Synthesis of a Multiwalled Carbon Nanotube-Na3V2(PO4)3 Composite as a Novel Electrode Material for Lithium-Ion Batteries[J]. Acta Physico-Chimica Sinica, 2014, 30(6): 1113-1120.
[7] ZHAO Wei-Rong, ZENG Wan-Yun, XI Hai-Ping, YU Xian-Xian. Photocatalytic Degradation of Gas-Phase Toluene over CuO Loaded BiVO4 Hollow Nanospheres under Visible-light Irradiation[J]. Acta Physico-Chimica Sinica, 2014, 30(4): 761-767.
[8] WU Yue, LIU Xing-Quan, ZHANG Zheng, ZHAO Hong-Yuan. Preparation and Characterization of M(Ⅱ) and M(Ⅳ) Iso-Molar Co-Doped LiMn1.9Mg0.05Ti0.05O4 Cathode Materials for Lithium-Ion Batteries[J]. Acta Physico-Chimica Sinica, 2014, 30(12): 2283-2290.
[9] XING Wei-Nan, NI Liang, YAN Xue-Sheng, LIU Xin-Lin, LUO Ying-Ying, LU Zi-Yang, YAN Yong-Sheng, HUO Peng-Wei. Preparation of C@CdS/Halloysite Nanotube Composite Photocatalyst Using One-Step Pyrolytic Method and Its Photodegradation Properties[J]. Acta Physico-Chimica Sinica, 2014, 30(1): 141-149.
[10] WANG Xue-Bao, LI Jin-Qing, LUO Yun-Jun. Effect of Drying Methods on the Structure and Thermal Decomposition Behavior of Ammonium Perchlorate/Graphene Composites[J]. Acta Physico-Chimica Sinica, 2013, 29(10): 2079-2086.
[11] LIN Xue, YU Li-Li, Yan Li-Na, GUAN Qing-Feng, Yan Yong-Sheng, ZHAO Han. Controllable Synthesis and Photocatalytic Activity of Spherical, Flowerlike and Threadlike Bismuth Vanadates[J]. Acta Physico-Chimica Sinica, 2013, 29(08): 1771-1777.
[12] YANG Han-Pei, ZHANG Ying-Chao, FU Xiao-Fei, SONG Shuang-Shuang, WU Jun-Ming. Surface Modification of CNTs and Improved Photocatalytic Activity of TiO2-CNTs Heterojunction[J]. Acta Physico-Chimica Sinica, 2013, 29(06): 1327-1335.
[13] HUANG Hai-Feng, JIA Jian-Ming, LU Han-Feng, ZHANG Hong-Hua, PAN Lie-Qun. Effect of Designed Zr/Ti Molar Ratio on the Photocatalytic Activity of Sr-Zr-Ti Mixed Oxide Catalysts under Visible Light[J]. Acta Physico-Chimica Sinica, 2013, 29(06): 1319-1326.
[14] LIN Xue, GUAN Qing-Feng, LIU Ting-Ting, ZHANG Yao, ZOU Chun-Jie. Controllable Synthesis and Photocatalytic Activity of Bi4Ti3O12 Particles with Different Morphologies[J]. Acta Physico-Chimica Sinica, 2013, 29(02): 411-417.
[15] LIN Xue, Lü Peng, GUAN Qing-Feng, LI Hai-Bo, LI Hong-Ji, CAI Jie, ZOU Yang. Visible Light Photocatalytic Properties of Bi3.25La0.75Ti3O12 Nanowires[J]. Acta Physico-Chimica Sinica, 2012, 28(08): 1978-1984.