Journal of Sol-Gel Science and Technology

, Volume 53, Issue 1, pp 79–84 | Cite as

Preparation and characterization of polyvinyl butyral/silica hybrid antireflective coating: effect of PVB on moisture-resistance and hydrophobicity

  • Xinxiang Zhang
  • Congrui Cao
  • Bo Xiao
  • Lianghong Yan
  • Qinghua Zhang
  • Bo Jiang
Original Paper

Abstract

A new modified antireflective coating was prepared by base catalyzed sol–gel process using tetraethylorthosilicate as precursor and polyvinyl butyral as modifier. The properties of the silica sols and AR coatings were characterized with Fourier-transfer infrared absorption spectroscopy, particle size analyzer, transmission electron microscope, programmable rheometer, UV–Vis spectrophotometry, ellipsometry, atomic force microscope and contact angle measurement. It was found that addition of 4% PVB greatly enhanced moisture-resistance of the AR coating. Optical transmittance of 4% PVB modified AR coating on BK7 substrate was found to be nearly 100%. The water contact angles of normal and 4% PVB modified AR coating were 51 and 53°, respectively, which indicates no significant increase of hydrophobicity of the modified coating. The peak transmittance of 4% PVB modified AR coating was almost unaffected after being exposed to the moist surroundings while that of normal silica coating decreased sharply from 99.8 to 96.5% within 2 weeks. The excellent moisture-resistance of PVB modified AR coating may be attributed to the adsorption of PVB on the surface of AR coating.

Keywords

Antireflective coating Polyvinyl butyral Moisture-resistance Hydrophobicity 

References

  1. 1.
    Philipp G, Schmidt H (1984) J Non-Cryst Solids 63:283–292CrossRefADSGoogle Scholar
  2. 2.
    Uhlmann DR, Suratwala T, Davidson K, Boulton JM, Teowee G (1997) J Non-Cryst Solids 218:113–122CrossRefADSGoogle Scholar
  3. 3.
    Sermon PA, Vong MSW, Bazin N, Badheka R, Spriggs D (1995) Recent developments in silica sol–gel antireflection (AR) coatings. Proc SPIE. doi:10.1117/12.228295
  4. 4.
    Muromachi T, Tsujino T, Kamitani K, Maeda K (2006) J Sol–Gel Sci Technol 40:267–272CrossRefGoogle Scholar
  5. 5.
    Ayllon JA, Lira-Cantu M (2009) Appl Phys A 95:249–255CrossRefADSGoogle Scholar
  6. 6.
    Zhang QY, Li XL, Shen J, Wu GM, Wang J, Chen LY (2000) Mater Lett 45:311–314CrossRefGoogle Scholar
  7. 7.
    Zalga A, Kazadojev I, Beganskiene A, Kareiva A (2008) Sol–gel synthesis of modified silica anti-reflecting coatings. Springer, NetherlandsGoogle Scholar
  8. 8.
    Rao AP, Rao AV, Pajonk GM (2007) Appl Surf Sci 253:6032–6040CrossRefADSGoogle Scholar
  9. 9.
    Rouessac V, Ferreira P, Durand J (2003) Sep Purif Technol 32:37–43CrossRefGoogle Scholar
  10. 10.
    Smitha S, Shajesh P, Mukundan P, Warrier KGK (2007) J Sol–Gel Sci Technol 42:157–163CrossRefGoogle Scholar
  11. 11.
    Yao LF, Zhu YA, Qu D, Du MF, Shen J, Wang J (2006) Optical and hydrophobic nano-porous silica thin films with low refractive index. Proc SPIE. doi:10.1117/12.668115
  12. 12.
    Jeong HJ, Kim DK, Lee SB, Kwon SH, Kadonoz K (2001) J Colloid Interface Sci 235:130–134CrossRefPubMedGoogle Scholar
  13. 13.
    Pilotek S, Schmidt HK (2003) J Sol–Gel Sci Technol 26:789–792CrossRefGoogle Scholar
  14. 14.
    Hou HF, Chen YQ (2007) J Sol–Gel Sci Technol 43:53–57CrossRefGoogle Scholar
  15. 15.
    Mators MC, Carvallio AM, Almeida RM, Ilharco LM (1992) Influence of processing parameters on the thickness of sol–gel silica films. Proc SPIE. doi:10.1117/12.132002
  16. 16.
    Zhang XT, Sato O, Taguchi M, Einaga Y, Murakami T, Fujishima A (2005) Chem Mater 17:696–700CrossRefGoogle Scholar
  17. 17.
    Vincent A, Babu S, Brinley E, Karakoti A, Deshpande S, Seal S (2007) J Phys Chem C 111:8291–8298CrossRefGoogle Scholar
  18. 18.
    Bautista MC, Morales A (2003) Sol Energy Mater Sol Cells 80:217–225CrossRefADSGoogle Scholar
  19. 19.
    Debsikdar JC (1987) J Non-Cryst Solids 91:262–270CrossRefADSGoogle Scholar
  20. 20.
    Cao MW, Song XY, Zhai J, Wang JB, Wang YL (2006) J Phys Chem B 110:13072–13075CrossRefPubMedGoogle Scholar
  21. 21.
    Wenzel RN (1949) J Phys Colloid Chem 53:1466–1467CrossRefGoogle Scholar

Copyright information

© Springer Science+Business Media, LLC 2009

Authors and Affiliations

  • Xinxiang Zhang
    • 1
  • Congrui Cao
    • 1
  • Bo Xiao
    • 1
  • Lianghong Yan
    • 2
  • Qinghua Zhang
    • 2
  • Bo Jiang
    • 1
  1. 1.Key Laboratory of Green & Technology, College of ChemistrySichuan UniversityChengduChina
  2. 2.Research Center of Laser FusionChina Academy of Engineering PhysicalMianyangChina

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