二氧化钛修饰的微结构聚合物光纤预制棒制备及其在光催化中应用的探索研究

李冬冬; 王丽莉

doi:10.7498/aps.61.034212

摘要

首次用二氧化钛(TiO2)纳米材料修饰的547孔微结构聚合物光纤(MPOF)二次预制棒作为阵列化微管式光催化反应器对亚甲基兰的光催化分解进行研究.将高光催化活性的P25型二氧化钛纳米粒子均匀分散在TiO2溶胶中,对547孔微结构聚合物光纤孔洞内壁进行铺膜,得到了负载光催化剂的阵列化微管材料.该TiO2MPOF有序复合的阵列化微管不仅对二氧化钛纳米粒子起到负载作用,还可以作为光波导介质(rolling-up薄膜波导,聚光、导光进入二氧化钛薄膜层)、污染物反应流体通道.以有机染料亚甲基兰为模拟污染物,研究了TiO2负载量、亚甲基兰的初始浓度及溶液pH值等因素对光降解效果的影响.该反应器547个孔道的内表面用于负载光催化剂,不仅增加了固-液接触面积,也提高了光的吸收效率,从而提高了光催化效率.迄今为止,这种兼具导光、聚光、传质、负载功能于一体的光催化反应器还未见报道.

关键词:

Abstract

In this paper, we report on a novel photocatalytic reactor having 547 pieces of TiO2-nanofilm-modified capillaries, which is derived from a microstructured polymer optical fiber(MPOF) preform. TiO2-film-modified MPOF preform is obtained by directly inhaling P25-doped TiO2 sol into array holes of MPOF and forming TiO2 film on their side walls. The MPOF perform acts as not only a light-transmitting media(rolling-up thin film waveguide, collecting and transmitting light into the TiO2thin film), but also a TiO2supporting and waste-water pipe to supply for photocatalytic degradation of toxic organic solute. Methylene blue(MB) is chosen as a model contaminant in water. The effects of loading quantity of TiO2, pH of MB and initial concentration of MB on photocatalytic degradation are investigated. The photocatalytic reactor has so large surface area for TiO2 loading that photodegradation efficiency is enhanced. As far as we know, the photocatalytic reactor with functions of collecting and transmitting light, conveying matter and loading catalyst has not been reported before.

Keywords:

Microstructured polymer optical fiber preform /
Photocatalytic degradation /
TiO2nanoparticle /
methylene blue

作者及机构信息

李冬冬^1,2,
王丽莉¹

1.
中国科学院西安光学精密机械研究所, 瞬态光学与光子技术国家重点实验室, 西安 710119;

2.
中国科学院研究生院, 北京 100039

基金项目: 国家自然科学基金重点项目(批准号: 60437020)、和国家自然科学基金青年科学基金(批准号: 61108061)和国家高技术研究发展计划(批准号: 2007AA032452)资助的课题.

Authors and contacts

Li Dong-Dong^1,2,
Wang Li-Li¹

1.
State Key Laboratory of Transient Optics and Photonics, Xi’an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710119, China;

2.
Graduate University of Chinese Academy of Science, Beijing 100039, China

Funds: Project supported by the State Key Program of National Natural Science Foundation of China(Grant No?60437020), the Young Scientists Fund of the National Natural Science Foundation of China(Grant No. 61108061), and the National High Technology Research and Development Program of China(Grant No?2007AA032452).

参考文献

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[3]	Liang L Y, Dai S Y, Hu L H, Dai J, Liu W Q 2009 Acta Phys. Sin. 58 1338(in Chinese)[梁林云, 戴松元, 胡林华, 戴俊, 刘伟庆 2008 58 138]
[4]	Vilara V J P, Maldonadob M I, Ollerb I, Malatob S, Boaventuraa R A R 2009 Water Research 43 4050
[5]	Gao P, Wu J, Liu Q J, Zhou W F 2010 Chin. Phys. B 19 087103
[6]	Meng Y, Zhang P J, Liu Z Y, Liao Z L, Pan X Y, Liang X J, Zhao H W, Chen D M 2010 Chin. Phys. B 19 037304
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[8]	Joo H, Jeong H, Jeon M, Moon J 2003 Sol. Energ. Mater. Sol. Cells 79 93
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[12]	Du P, Carneiro J T, Moulijn J A, Mul G 2008 Appl. Catal. A: General 334 119
[13]	Wang D D,Wang L L 2010 Acta Phys. Sin. 59 3255(in Chinese)[ 王豆豆, 王丽莉 2010 59 3255]
[14]	Wang J, Yang X H, Wang L L 2008 Opt. Express 16 7703
[15]	Zhang Y N 2008 Acta Phys. Sin. 57 5729(in Chinese)[张亚妮 2008 57 5729]
[16]	Li D D, Wang L L 2010 Appl. Spectrosc. 64 514
[17]	Ivanova T, Harizanova A, Surtchev M, Nenova Z 2003 Sol. Energ. Mater. Sol. Cells 76 591
[18]	Barka N, Qourzal S, Assabbane A, Nounah A, Ait-Ichou Y 2008 J. Photochem. Photobiol. A: Chem. 195 346
[19]	Rauf M A, Meetani M A, Khaleel A, Ahmed A 2010 Chemical Engineering Journal 157 373
[20]	Qi H, Sun D Z, Chi G Q 2006 Journal of Harbin Institute of Technology 38 1051(in Chinese)[齐虹, 孙德智, 迟国庆 2006 哈尔滨工业大学学报 38 1051]
[21]	Davis R J, Gainer J L, Neal G O, Wu I 1994 Water Environ. Res. 66 50
[22]	Lea J, Adesina A A 1998 J. Photochem. Photobiol. A: Chem. 118 111
[23]	d'Hennezel O, Pichat P, Ollis D F 1998 J. Photochem. Photobiol. A: Chem. 118 197
[24]	Tanaka K, Padermpole K, Hisanaga T 2000 Water Res. 34 327
[25]	Ollis D F, Pelizzetti E, Serpone N 1989 Photocatalysis: Fundamentals and Applications New York: Wiley p603
[26]	Hasnat M A, Siddiquey I A, Nuruddin A 2005 Dyes Pigm. 66 185
[27]	Minero C, Mariella G, Maurino V, Pelizzetti E 2000 Langmuir 16 2632
[28]	Franco A, Neves M C, Ribeiro Carrott M M L, Mendonc M H, Pereira M I, Monteiro O C 2009 J. Hazard. Mater. 161 545
[29]	Senthilkumaar S, Porkodi K 2005 J. Colloid Interface Sci. 288 184
[30]	Kansal S K, Singh M, Sud D 2007J. Hazard. Mater. 141 581
[31]	Hasnat M A, Siddiquey I A, Nuruddin A 2005 Dyes Pigm. 66 185
[32]	Senthilkumaar S, Porkodi K 2005 J. Colloid Interface Sci. 288 184

施引文献

[1]	Kou D X, Liu W Q, Hu L H, Huang Y, Dai S Y, Jiang N Q 2010 Acta Phys. Sin. 59 5858(in Chinese)[寇东星, 刘伟庆, 胡林华, 黄阳, 戴松元, 姜年权 2010 59 5858]
[2]	Zhang Y, Zhao Y, Cai N, Xiong S Z 2008 Acta Phys. Sin. 57 5806(in Chinese)[张苑, 赵颖, 蔡宁, 熊绍珍 2008 57 5806]
[3]	Liang L Y, Dai S Y, Hu L H, Dai J, Liu W Q 2009 Acta Phys. Sin. 58 1338(in Chinese)[梁林云, 戴松元, 胡林华, 戴俊, 刘伟庆 2008 58 138]
[4]	Vilara V J P, Maldonadob M I, Ollerb I, Malatob S, Boaventuraa R A R 2009 Water Research 43 4050
[5]	Gao P, Wu J, Liu Q J, Zhou W F 2010 Chin. Phys. B 19 087103
[6]	Meng Y, Zhang P J, Liu Z Y, Liao Z L, Pan X Y, Liang X J, Zhao H W, Chen D M 2010 Chin. Phys. B 19 037304
[7]	Lin H F, Valsaraj K T 2005 Journal of Applied Electrochemistry 35 699
[8]	Joo H, Jeong H, Jeon M, Moon J 2003 Sol. Energ. Mater. Sol. Cells 79 93
[9]	Danion A, Disdier J, Guillard C, Abdelmalek F, Jaffrezic-Renault N 2006 Int. J. Appl. Electromagnetics and Mechanics 23 187
[10]	Xu J J, Lin Y H, Ao Y H, Hu Y, Shen X W, Yuan C W, Fu D G, Lin J, Yin Z D 2007 Environm. Chem. 26 89(in Chinese)[徐晶晶, 林义华, 敖燕辉, 胡艳, 沈迅伟, 袁春伟, 付德刚, 林间, 殷志东 2007 环境化学 26 89]
[11]	Hu Y, Xu J J, Yuan C W, Lin J, Yin Z D 2005 Chinese Science Bulletin 50 2169(in Chinese)[胡艳, 徐晶晶, 袁春伟, 林间, 殷志东 2005 科学通报 50 2169]
[12]	Du P, Carneiro J T, Moulijn J A, Mul G 2008 Appl. Catal. A: General 334 119
[13]	Wang D D,Wang L L 2010 Acta Phys. Sin. 59 3255(in Chinese)[ 王豆豆, 王丽莉 2010 59 3255]
[14]	Wang J, Yang X H, Wang L L 2008 Opt. Express 16 7703
[15]	Zhang Y N 2008 Acta Phys. Sin. 57 5729(in Chinese)[张亚妮 2008 57 5729]
[16]	Li D D, Wang L L 2010 Appl. Spectrosc. 64 514
[17]	Ivanova T, Harizanova A, Surtchev M, Nenova Z 2003 Sol. Energ. Mater. Sol. Cells 76 591
[18]	Barka N, Qourzal S, Assabbane A, Nounah A, Ait-Ichou Y 2008 J. Photochem. Photobiol. A: Chem. 195 346
[19]	Rauf M A, Meetani M A, Khaleel A, Ahmed A 2010 Chemical Engineering Journal 157 373
[20]	Qi H, Sun D Z, Chi G Q 2006 Journal of Harbin Institute of Technology 38 1051(in Chinese)[齐虹, 孙德智, 迟国庆 2006 哈尔滨工业大学学报 38 1051]
[21]	Davis R J, Gainer J L, Neal G O, Wu I 1994 Water Environ. Res. 66 50
[22]	Lea J, Adesina A A 1998 J. Photochem. Photobiol. A: Chem. 118 111
[23]	d'Hennezel O, Pichat P, Ollis D F 1998 J. Photochem. Photobiol. A: Chem. 118 197
[24]	Tanaka K, Padermpole K, Hisanaga T 2000 Water Res. 34 327
[25]	Ollis D F, Pelizzetti E, Serpone N 1989 Photocatalysis: Fundamentals and Applications New York: Wiley p603
[26]	Hasnat M A, Siddiquey I A, Nuruddin A 2005 Dyes Pigm. 66 185
[27]	Minero C, Mariella G, Maurino V, Pelizzetti E 2000 Langmuir 16 2632
[28]	Franco A, Neves M C, Ribeiro Carrott M M L, Mendonc M H, Pereira M I, Monteiro O C 2009 J. Hazard. Mater. 161 545
[29]	Senthilkumaar S, Porkodi K 2005 J. Colloid Interface Sci. 288 184
[30]	Kansal S K, Singh M, Sud D 2007J. Hazard. Mater. 141 581
[31]	Hasnat M A, Siddiquey I A, Nuruddin A 2005 Dyes Pigm. 66 185
[32]	Senthilkumaar S, Porkodi K 2005 J. Colloid Interface Sci. 288 184

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