[1]方 敏,董如林,陈智栋,等.TiO2薄膜的亲水性及光催化自清洁效果[J].常州大学学报(自然科学版),2012,(02):11-16.
　FANG Min,DONG Ru-lin,CHEN Zhi-dong,et al.Hydrophilicity and Photo-Catalytic Self-Cleaning Function of TiO2 Films[J].Journal of Changzhou University(Natural Science Edition),2012,(02):11-16.
点击复制

TiO2薄膜的亲水性及光催化自清洁效果()
分享到：

常州大学学报(自然科学版)[ISSN:2095-0411/CN:32-1822/N]

卷:
期数:
2012年02期
页码:
11-16
栏目:
材料科学与工程
出版日期:
2012-03-30

文章信息/Info

Title:
Hydrophilicity and Photo-Catalytic Self-Cleaning Function of TiO2 Films
作者:
方 敏; 董如林; 陈智栋;  金长春; 顾宏伟
常州大学 石油化工学院,江苏 常州 213164
Author(s):
FANG Min; DONG Ru-lin; CHEN Zhi-dong; JIN Chang-chun; GU Hong-wei
School of Petrochemical Engineering, Changzhou University, Changzhou 213164, China
关键词:
TiO2薄膜;  亲水性;  灰尘污染;  自清洁
Keywords:
TiO2 film;  hydrophilicity;  dust contamination;  self-cleaning
分类号:
O 484.4
文献标志码:
A
摘要:
以溶胶-凝胶法为基础,在普通玻璃表面制备了具有纳米尺寸气孔、纳米及微米尺寸复合气孔结构的TiO2薄膜或TiO2/SiO2复合薄膜,并考察了它们的亲水性能及表面经空气中灰尘污染后,其超亲水性能在紫外光照射下的恢复能力。所有纯TiO2薄膜于制备后测试的表面水接触角均达到0°。SiO2的掺杂量较小(10%)时,SiO2的掺入增大了薄膜的水接触角,但随着SiO2掺杂量的增大,接触角减小,可达到超亲水效果。表面污染的薄膜经紫外光照射后,其超亲水性的光致恢复能力基本不受前驱体溶胶的陈化时间、SiO2掺杂浓度、表面形态的影响,但与薄膜的光催化活性有关。4层以上的薄膜或带有SiO2中间隔离层的薄膜由于可以抑制玻璃基底中Na+扩散至薄膜表面,光催化降解灰尘污染物的能力较高,紫外光照射后均能恢复其超亲水性能。
Abstract:
Nanosize pore,nanosize combining macrosize pore modified TiO2 films and TiO2/SiO2 composite film were prepared on glass substrate by sol-gel method.The hydrophilicities of the films and its recovery capabilities under irradiation of UV light were investigated for the as-prepared films and the films contaminated outdoors,respectively.All the as-prepared TiO2 films show water contact angle of 0°.The contact angle for TiO2/SiO2 composite film is high as compared with the pure TiO2 film when SiO2 concentration is low(10%)and decreases when SiO2 doping amount is further increased.The recovery capability of superhydrophilicity under irradiation of UV light is not influenced by the aging time of the precursor sol,mole fraction of SiO2 and the surface morphology of the film.It depends on the photocatalytic activity of the TiO2 film.For the TiO2 films prepared by repeating coating process over 4 times and the film fabricated with SiO2 interlayer,the superhydrophilicity can be restored by UV light irradiation because these films can suppress the diffusion of Na+ from the glass substrate to the surface of the film and perform higher photocatalytic activity to the dust contamination.

参考文献/References:

[1] Karuppuchamy S,Jeong J M,Amalnerkar D P,et al.Photoinduced hydrophilicity of titanium dioxide thin films prepared by cathodic electrodeposition [J].Vacuum,2006,80:494-498.
[2]Song S,Jing L Q,Li S D,et al.Superhydrophilicity anatase TiO2 film with the micro- and nanometer- scale hierarchical suface structure [J].Materials Letters,2008,62:3503-3505.
[3]Wang J J,Wang D S,Wang J,et al.High transmittance and superhydrophilicity of porous TiO2/SiO2 bi-layer films without UV irradiation[J].Surface & Coating Technology,2011,205:3596-3599.
[4]Du Y K,Gan Y Q,Yang P,et al.Improvement in the heat-induced hydrophilicity of TiO2 thin films by doping Mo(VI)ions [J].Thin Solid Films,2005,491:133-136.
[5]Yu J G,Zhou M H,Yu H G,et al.Enhanced photoinduced super-hydrophilicity of the sol-gel-derived TiO2 thin films by Fe-doping [J].Materials Chemistry and Physics,2006,95:193-196.
[6]Jiang X,Chen X M.Crystallization behavior and hydrophilic performances of V2O5-TiO2 films prepared by sol-gel dip-coating [J].Journal of Crystal Growth 2004,270:547-552.
[7] Houmard M,Riassetto D,Roussel F,et al.Enhanced persistence of natural super-hydrophilicity in TiO2-SiO2 composite thin films deposited via a sol-gel route[J].Surface Science,2008,602:3364-3374.
[8]Houmard M, Riassetto D,Roussel F,et al. Morphology and natural wettability properties of sol-gel derived TiO2-SiO2 composite thin films[J].Applied Surface Science,2007,254:1405-1414.
[9] Liu Z Y,Zhang X T,Murakami T,et al.Sol- gel SiO2/TiO2 bilayer films with self-cleaning and antireflection properties [J].Solar Energy Materials & Solar Cells,2008,92:1434-1438.
[10] Chen Y M,Chen F,Zhang J L.Effect of surface fluorination on the photocatalytic and photo-induced hydrophilic properties of porous TiO2 films[J].Applied Surface Science,2009,255:6290-6296.
[11]Xu J J,Ao Y H,Chen M D,et al. Photocatalytic activity of vanadium-doped titania–activated carbon composite film under visible light [J].Thin Solid Films,2010,518:4170- 4174.
[12]董如林,许寅颖,陈智栋.多孔TiO2 薄膜的制备及其透光性能 [J].化工进展,2010,29(3):505-510.
[13] Kwon C H,Kim J H,Jung I S,et al. Preparation and characterization of TiO2-SiO2 nano-composite thin films [J].Ceramics International,2003,29:851-856.

相似文献/References:

[1]刘淑赟,董如林,陈智栋,等.纳米粒子修饰TiO2薄膜的制备及其光致亲水性能[J].常州大学学报(自然科学版),2012,(03):14.
　LIU Shu-yun,DONG Ru-lin,CHEN Zhi-dong,et al.Preparation of Nano-Size Particle Modified TiO2 Film and its Photoinduced Hydrophilicty[J].Journal of Changzhou University(Natural Science Edition),2012,(02):14.
[2]王彩霞,董如林,陈智栋,等.仿生表面形态TiO2薄膜的制备及其亲水性评价[J].常州大学学报(自然科学版),2012,(04):42.
　WANG Cai-xia,DONG Ru-lin,CHEN Zhi-dong,et al.Preparation and Hydrophilicity Evaluation of TiO2 Thin Film with Biomimetic Morphology[J].Journal of Changzhou University(Natural Science Edition),2012,(02):42.

备注/Memo

备注/Memo:
作者简介:方敏(1986—),女,江苏扬州人,硕士生; 通讯联系人:董如林。
更新日期/Last Update: 2012-03-30