全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用:99美元

查看量下载量

相关文章

更多...

钕掺杂纳米二氧化钛光催化活性研究

Keywords: TiO2薄膜,光催化,钕掺杂

Full-Text   Cite this paper   Add to My Lib

Abstract:

采用溶胶-凝胶法在Si(111)衬底上制备纳米TiO2薄膜,利用电化学阴极还原法对TiO2纳米薄膜掺杂Nd3+,对其结构及光催化活性进行研究,结果显示,所制备的样品均为多晶结构,随着Nd3掺杂量的增加颗粒尺寸明显减小,比表面积增大.Nd3的掺杂导致TiO2光催化剂吸光能力增强,同时吸收限红移,提高了光的利用率,并且当掺杂量为1.2%时,光催化活性最好.

References

[1]  1Baia L, Diamandescu L, Barbu-Tudoran L, et al. Efficient dual functionality of highly porous nanocomposites based on TiO2 and noble metal particles[J]. J. Alloys Compd., 2011, 509: 2672-2678.
[2]  2Zheng J, Liu Z, Liu X, et al. Facile hydrothermal synthesis and characteristics of B-doped TiO2 hybrid hollow micro-spheres with higher photocatalytic activity[J]. J. Alloys Compd., 2011 509: 3771-3776.
[3]  3Jirapat A, Puangrat K, Supapan S. Visible light absorption abilityand photocatalytic oxidation activity of various interstitial N-doped TiO2 prepared from different nitrogen dopants [J]. Journal of Hazardous Materials, 2009, 168(1): 253-261.
[4]  4LI Hui, WANG Jin-Shu,LI Hong-Yi. Microstructure of Nitrogen and Sulfur Co-doped Mesopourous TiO2 Film and its Photocatalytic Activity[J]. Journal of Inorganic Materials(李辉,王金淑,李洪义,等.氮硫掺杂介孔TiO2薄膜结构及其光催化性能.无机材料学报).2009, 24(5): 909-914.
[5]  5CHEN Qi-Mei, JIANG Dong, XU Yao, et al.Visible region photocatalysis of Ce-Si/TiO2 synthesiszed using Sol-Gel-Hydrothermal method [J]. Acta Physico-Chimica Sinica(陈其凤, 姜 东, 徐 耀, 等. 溶胶凝胶水热法制Ce-Si/TiO2及其可见光催化性能.物理化学学报).2009, 25(4): 617-623.
[6]  6WEN Meng-Kui, CHEN Shi-Rong, WEI Zhi-Gang, et al. A pplioation on Ce-doped anatase titanium dioxide by density function theory [J]. Journal of Jinan University Natural Science & Medicine Edition(文梦葵,陈世荣,魏志钢,等.Ce掺杂锐钛矿型TiO2密度的泛函理论应用.暨南大学学报(自然科学与医学版)).2010, 1: 58-62.
[7]  7Xie Y B, Yuan C W. Rare earth ion modified TiO2 sols for photocatalysis app lication under visible light excitation[J].RareMatals, 2004, 23: 2026.
[8]  8Li F B, L i X Z, Hou M F, et al. Enhanced photocatalytic activity of Ce3+-TiO2 for 2-mercap tobenzothizoledegradation in aqueous suspension for odour control [J].App lied Catalysts A: General, 2005, 285: 181-189.
[9]  9Li F B, Li X Z, Hou M F. Photocatalytic degradation of 2-mercaptobenzothiazole in aqueous La3+-TiO2 suspension for odor control[J].Appl. Catal. B: Environ. 2004, 48: 185-194.
[10]  10Coleman H M, Abdullah M I, Eggins B R, et al.Photocatalytic degradation of 17β-oestradiol, oestriol and 17α-ethynyloestradiol in water monitored using fluorescence spectroscopy[J].Appl. Catal. B: Environ. 2005, 55: 23-30.
[11]  11McGinnis B D, Adams V D, Middlebrooks E J. Degradation of ethyleneglycol in photo Fenton systems[J].Water Res. 2000, 34: 2346-2354.
[12]  12Binelli A, Ricciardi F, Riva C, et al. Screening of POP pollution byAChE and EROD activities in Zebra mussels from the Italian Great Lakes[J].Chemosphere 2005, 61: 1074-1082.
[13]  13Nie J L, MoY, Zheng B Z, et al. Electrochemical fabrication of lanthanum-doped TiO2nanotube array electrode and investigation of its photoelectrochemical capability[J], Electrochimica Acta, 2013, 90: 589-596.

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133