Superhydrophobic surfaces for the reduction of bacterial adhesion

RSC Advances

Volumn 3, Issue 30, 2013, Pages 12003-12020

  Zhang, Xiaoxue ^a,b   Wang, Ling ^b   Levänen, Erkki ^a  

^a TAMPERE UNIVERSITY OF TECHNOLOGY   (Finland)

^b UNIVERSITY OF SOUTHAMPTON   (United Kingdom)

Author keywords

[No Author keywords available]

Indexed keywords

ADHESION; BIOCIDES; OXYGEN; PHOTOCATALYSIS; RESEARCH; SURFACE PROPERTIES; TITANIUM DIOXIDE;

ANTIBACTERIAL MATERIALS; BACTERIAL ADHESION; BACTERIAL RESISTANCE; FUTURE PERSPECTIVES; HYDROXYL RADICALS; SUPER-HYDROPHOBIC SURFACES; SUPERHYDROPHOBICITY; VISIBLE-LIGHT PHOTOCATALYSIS;

HYDROPHOBICITY;

EID: 84881532914     PISSN: None     EISSN: 20462069     Source Type: Journal    
DOI: 10.1039/c3ra40497h     Document Type: Review

References (121)

1. J. A. Lichter K. J. V. Vliet M. Rubner Design of antibacterial surfaces and interfaces: polyelectrolyte multilayers as a multifunctional platform Macromolecules 2009 42 8573 8586
2. K. Poole Mechanisms of bacterial biocide and antibiotic resistance J. Appl. Microbiol. 2002 92 55S 64S
3. G. McDonnell A. D. Russell Antiseptics and disinfectants: activity, action and resistance Clin. Microbiol. Rev. 1999 12 147 179
4. A. D. Russell Bacterial resistance to disinfectants: present knowledge and future problems J. Hosp. Infect. 1999 43 (Supp.) S453 S464
5. A. D. Russell Antibiotic and biocide resistance in bacteria: introduction J. Appl. Microbiol. 2002 92 S1 S3
6. M. Rai A. Yadav A. Gade Silver nanoparticles as a new generation of antimicrobials Biotechnol. Adv. 2009 27 76 83
7. M. T. Hsiao S. F. Chen D. B. Shieh C. S. Yeh One-pot synthesis of hollow Au3Cu1 spherical-like and biomineral botallackite Cu 2(OH)3Cl flowerlike architectures exhibiting antimicrobial activity J. Phys. Chem. B 2006 110 205 210
8. M. Yasuyuki K. Kunihiro S. Kurissery N. Kanavillil Y. Sato Y. Kikuchi Antibacterial properties of nine pure metals: a laboratory study using Staphylococcus aureus and Escherichia coli Biofouling 2010 26 851 858
9. C. M. Jones E. M. V. Hoek A review of the antibacterial effects of silver nanomaterials and potential implications for human health and the environment J. Nanopart. Res. 2010 12 1531 1551
10. A. Gupta S. Silver Silver as a biocide: will resistance become a problem Nat. Biotechnol. 1998 16 888
11. G. Fu P. S. Vary C. T. Lin Anatase TiO2 nanocomposites for antimicrobial coatings J. Phys. Chem. B 2005 109 8889 8898
12. P. C. Maness S. Smolinski D. M. Blake Z. Huang E. J. Wolfrum W. A. Jacoby Bactericidal activity of photocatalytic TiO2 reaction: toward an understanding of its killing mechanism Appl. Environ. Microbiol. 1999 65 4094 4098
13. J. A. Ibanez M. I. Litter R. A. Pizarro Photocatalytic bactericidal effect of TiO2 on Enterobacter cloacae: comparative study with other gram (-) bacteria J. Photochem. Photobiol., A 2003 157 81 85
14. K. Hashimoto H. Irie A. Fujishima TiO2 photocatalysis: a historical overview and future prospects Jpn. J. Appl. Phys. 2005 44 8269 8285
15. S. In A. Orlov R. Berg F. Garcia S. Pedrosa-Jimenez M. S. Tikhov D. S. Wright M. Lambert Effective visible light-activated B-doped and B,N-codoped TiO2 photocatalysis J. Am. Chem. Soc. 2007 129 13790 13791
16. J. Genzer K. Efimenko Recent developments in superhydrophobic surfaces and their relevance to marine fouling: a review Biofouling 2006 22 339 360
17. A. Berendjchi R. Khajavi M. E. Yazdanshenas Fabrication of superhydrophobic and antibacterial surface on cotton fabric by doped silica-based sols with nanoparticles of copper Nanoscale Res. Lett. 2011 6 594
18. B. J. Privett J. Youn S. A. Hong J. Lee J. Han J. H. Shin M. H. Schoenfisch Antibacterial fluorinated silica colloid superhydrophobic surfaces Langmuir 2011 27 9597 9601
19. C. R. Crick S. Ismail J. Pratten I. P. Parkin An investigation into bacterial attachment to an elastomeric superhydrophobic surface prepared via aerosol assisted deposition Thin Solid Films 2011 519 3722 3727
20. Y. Y. Yan N. Gao W. Barthlott Mimicking natural superhydrophobic surfaces and grasping the wetting process: A review on recent progress in preparing superhydrophobic surfaces Adv. Colloid Interface Sci. 2011 169 80 105
21. C. Neinhuis W. Barthlott Characterization and distribution of water-repellent, self-cleaning plant surfaces Ann. Bot. 1997 79 667 677
22. L. Feng S. Li Y. Li H. Li L. Zhang J. Zhai Y. Song B. Liu L. Jiang D. Zhu Super-hydrophobic surfaces: from natural to artificial Adv. Mater. 2002 14 1857 1860
23. T. Young An essay on the cohesion of fluids Philos. Trans. R. Soc. London 1805 95 65 87
24. A. Nakajima Design of hydrophobic surfaces for liquid droplet control NPG Asia Mater. 2011 3 49 56
25. M. Nosonovsky and B. Bhushan, Multiscale dissipative mechanisms and hierarchical surfaces: friction, superhydrophobicity and biomimetics, Berlin, Springer, 2008
26. R. N. Wenzel Resistance of solid surfaces to wetting by water Ind. Eng. Chem. 1936 28 988 994
27. A. Marmur Super-hydrophobicity fundamentals: implications to biofouling prevention Biofouling 2006 22 107 115
28. D. Quere Rough ideas on wetting Phys. A 2002 313 32 46
29. A. B. D. Cassie S. Baxter Wettability of porous surfaces Trans. Faraday Soc. 1944 40 546 550
30. A. Marmur The Lotus effect: superhydrophobicity and metastability Langmuir 2004 20 3517 3519
31. K. Tadanaga J. Morinaga A. Matsuda T. Minami Superhydrophobic- superhydrophilic micropatterning on flowerlike alumina coating film by the sol-gel method Chem. Mater. 1999 12 590 592
32. B. Bhushan M. Nosonovsky Y. C. Jung Towards optimization of patterned superhydrophobic surfaces J. R. Soc. Interface 2007 4 643 648
33. B. Bhushan Y. C. Jung Wetting study of patterned surfaces for superhydrophobicity Ultramicroscopy 2007 107 1033 1041
34. B. Balu V. Breedveld D. Hess Febrication of "roll-off" and "sticky" superhydrophobic cellulose surfaces via plasma processing Langmuir 2008 24 4785 4790
35. M. Miwa A. Nakajima A. Fujishima K. Hashimoto T. Watanabe Effects of the surface roughness on sliding angles of water droplets on superhydrophobic surfaces Langmuir 2000 16 5754 5760
36. D. K. Owens R. C. Wendt Estimation of the surface free energy of polymers J. Appl. Polym. Sci. 1969 13 1741 1747
37. Q. Zhao Y. Liu E. W. Abel Effect of temperature on the surface free energy of amorphous carbon films J. Colloid Interface Sci. 2004 280 174 183
38. C. J. van Oss M. K. Chaudhury R. J. Good Interfacial Lifshitz-van der Waals and polar interactions in macroscopic systems Chem. Rev. 1988 88 927 941
39. T. Nishino M. Meguro K. Nakamae M. Matsushita Y. Ueda The lowest surface free energy based on -CF3 alignment Langmuir 1999 15 4321 4323
40. E. M. Harnett J. Alderman T. Wood The surface energy of various biomaterials coated with adhesion molecules used in cell culture Colloids Surf., B 2007 55 90 97
41. W. Barthlott C. Neinhuis Purity of the sacred lotus, or escape from contamination in biological surfaces Planta 1997 202 1 8
42. X. Zhang X. Liu J. Laakso E. Levänen T. Mäntylä Easy-to-clean property and durability of superhydrophobic flaky γ-alumina coating on stainless steel in field test at a paper machine Appl. Surf. Sci. 2012 258 3102 3108
43. X. Zhang M. Järn J. Peltonen V. Pore T. Vuorinen E. Levänen T. Mäntylä Analysis of roughness parameters to specify superhydrophobic antireflective boehmite films made by the sol-gel process J. Eur. Ceram. Soc. 2008 28 2177 2181
44. L. Zhang Y. Li J. Sun J. Shen Layer-by-layer fabrication of broad-band superhydrophobic antireflection coatings in near-infrared region J. Colloid Interface Sci. 2008 319 302 308
45. L. Gao A. K. Jones V. K. Sikka J. Wu D. Gao Anti-Icing superhydrophobic coatings Langmuir 2009 25 12444 12448
46. L. Mishchenko B. Hatton V. Bahadur J. A. Taylor T. Krupenki J. Aizenberg Design of ice free nanostructured surfaces based on repulsion of impacting water droplets ACS Nano 2010 4 7699 7707
47. A. J. Meuler G. H. McKinley R. E. Cohen Exploiting topographical texture to impart icephobicity ACS Nano 2010 4 7048 7052
48. R. Truesdell A. Mammoli P. Vorobieff P. van Swol C. J. Brinker Drag reduction on a patterned superhydrophobic surface Phys. Rev. Lett. 2006 97 044504
49. R. J. Daniello N. E. Waterhouse J. P. Rothstein Drag reduction in turbulent flows over superhydrophobic surfaces Phys. Fluids 2009 21 085103
50. M. Nosonovsky B. Bhushan Roughness-induced superhydrophobicity: a way to design non-adhesive surfaces J. Phys.: Condens. Matter 2008 20 225009
51. Z. Guo W. Liu B. Su Superhydrophobic surfaces: from natural to biomimetic to functional J. Colloid Interface Sci. 2011 353 335 355
52. T. Verho J. T. Korhonen L. Sainiemi V. Jokinen C. Bower K. Franze S. Franssila P. Andrew O. Ikkala R. H. A. Ras Reversible switching between superhydrophobic states on a hierarchically structured surface Proc. Natl. Acad. Sci. U. S. A. 2012 109 10213
53. H. M. Shang Y. Wang S. J. Limmer T. P. Chou K. Takahashi G. Z. Cao Optically transparent superhydrophobic silica-based films Thin Solid Films 2005 472 37 43
54. A. Tuteja W. Choi M. Ma J. M. Mabry S. A. Mazzelle G. C. Rutledge G. H. McKinley R. E. Cohen Designing superoleophobic surfaces Science 2007 318 1618 1622
55. A. Tuteja W. Choi G. H. McKinley R. E. Cohen M. F. Rubner Design parameters for superhydrophobicity and superoleophobicity MRS Bull. 2008 33 752 758
56. L. Feng Z. Yang J. Zhai Y. Song B. Liu Y. Ma Z. Yang L. Jiang D. Zhu Superhydrophobicity of nanostructured carbon films in a wide range of pH values Angew. Chem., Int. Ed. 2003 42 4217 4220
57. L. Feng Y. Song J. Zhai B. Liu J. Xu L. Jiang D. Zhu Creation of a superhydrophobic surface from an amphiphilic polymer Angew. Chem., Int. Ed. 2003 42 800 802
58. L. Feng S. Li H. Li J. Zhai Y. Song L. Jiang D. Zhu Super-hydrophobic surface of aligned polyacrylonitrile nanofibers Angew. Chem., Int. Ed. 2002 41 1221 1223
59. L. Jiang Y. Zhao J. Zhai A lotus-leaf-like superhydrophobic surface: a porous microsphere/nanofiber composite film prepared by electrohydrodynamics Angew. Chem., Int. Ed. 2004 43 4338 4341
60. S. Nishimoto B. Bhushan Bioinspired self-cleaning surfaces with superhydrophobicity, superoleophobicity, and superhydrophilicity RSC Adv. 2013 3 671 690
61. S. S. Latthe A. B. Gurav C. S. Maruti R. S. Vhatkar Recent progress in preparation of superhydrophobic surfaces: a review J. Surf. Eng. Mater. Adv. Technol. 2012 2 76 94
62. Y. K. Lai Z. Chen C. J. Lin Recent progress on the superhydrophobic surfaces with special adhesion: from natural to biomimetic to functional J. Nanoeng. Nanomanuf. 2011 1 18 34
63. X. M. Li D. Reinhoudt M. Crego-Calama What do we need for a superhydrophobic surface? A review on the recent progress in the preparation of superhydrophobic surfaces Chem. Soc. Rev. 2007 36 1350 1368
64. X. Zhang M. Honkanen M. Järn J. Peltonen V. Pore E. Levänen T. Mäntylä Thermal stability of the structural features in the superhydrophobic boehmite films on austenitic stainless steel Appl. Surf. Sci. 2008 254 5129 5133
65. X. Zhang M. Honkanen V. Pore E. Levänen T. Mäntylä Effect of heat-treating gel films on the formation of superhydrophobic boehmite flaky structures on austenitic stainless steel Ceram. Int. 2009 35 1559 1564
66. J. Zimmermann S. Seeger F. A. Reifler Water shedding angle: a new technique to evaluate the water-repellent properties of superhydrophobic surfaces Text. Res. J. 2009 79 1565 1570
67. C. R. Crick I. P. Parkin Water droplet bouncing-a definition for superhydrophobic surfaces Chem. Commun. 2011 47 12059 12061
68. A. Marmur Underwater superhydrophobicity: theoretical feasibility Langmuir 2006 22 1400 1402
69. J. P. Youngblood N. R. Sottos Bioinspirited Materials for self-cleaning and self-healing MRS Bull. 2008 33 732 738
70. J. Zimmermann G. R. J. Artus S. Seeger Long term studies on the chemical stability of a superhydrophobic silicone nanofilament coating Appl. Surf. Sci. 2007 253 5972 5979
71. L. Boinovich A. M. Emelyanenko A. S. Pashinin Analysis of long term durability of superhydrophobic properties under continuous contact with water ACS Appl. Mater. Interfaces 2010 2 1754 1758
72. T. Verho C. Bower P. Andrew S. Franssila O. Ikkala R. H. A. Ras Mechanically durable superhydrophobic surfaces Adv. Mater. 2011 23 673 678
73. Y. Xiu Y. Liu B. Balu D. W. Hess C. Wong Robust superhydrophobic surfaces prepared with epoxy resin and silica nanoparticles IEEE Trans. Compon. Packag. Manuf. Technol. 2012 2 395 401
74. Y. Xiu Y. Liu D. W. Hess C. P. Wong Mechanically robust superhydrophobicity on hierarchically structured Si surfaces Nanotechnology 2010 21 155705
75. P. Pareo G. L. D. Gregorio M. Manca M. S. Pianesi L. D. Marco F. Cavallaro M. Mari S. Pappada G. Ciccarella G. Gigli Ultra lightweight PMMA-based composite plates with robust superhydrophobic surfaces J. Colloid Interface Sci. 2011 363 668 675
76. H. Zhou H. Wang H. Niu A. Gestos X. Wang T. Lin Fluoroalkyl silane modified silicone rubber/nanoparticles composite: a superdurable, robust superhydrophobic fabric coating Adv. Mater. 2012 24 2409 2412
77. X. Zhu Z. Zhang X. Men J. Yang K. Wang X. Xu X. Zhou Q. Xue Robust superhydrophobic surfaces with mechanical durability and easy repairability J. Mater. Chem. 2011 21 15793 15797
78. Y. Li L. Li J. Sun Bioinspirated slef-healing superhydrophobic coatings Angew. Chem. 2010 122 6265 6269
79. H. Wang Y. Xue J. Ding L. Feng X. Wang T. Lin Durable, self-healing superhydrophobic and superoleophobic surfaces from fluorinated-decyl polyhedral oligomeric silsesquioxane and hydrolysed fluorinated alkyl silane Angew. Chem., Int. Ed. 2011 50 11433 11436
80. A. T. Poortinga R. Bos W. Norde H. J. Busscher Electric double layer interactions in bacterial adhesion to surfaces Surf. Sci. Rep. 2002 47 1 32
81. J. A. Lichter K. J. V. Vliet M. F. Rubner Design of anti-bacterial surfaces and interfaces: polyelectrolyte multilayers as a multifunctional platform Macromolecules 2009 42 8573
82. M. Hermansson The DLVO theory in microbial adhesion Colloids Surf., B 1999 14 105 119
83. B. A. Jucker H. Harms A. J. Zehnder Adhesion of the positively charged bacterium Stenotrophomonas (Xanthomonas) maltophilia 70401 to galss and Teflon J. Bacteriol. 1996 178 5472 5479
84. M. Kiremitci-Gumustederelioglu A. Pesmen Microbial adhesion to ionogenic PHEMA, PU abd PP implants Biomaterials 1996 17 443 449
85. B. Gottenbos H. C. Van Der Mei H. J. Busscher Initial adhesion and surface growth of Pseudomonas aeruginosa on negatively and positively charged Poly(methacrylates) J. Mater. Sci.: Mater. Med. 1999 10 853 859
86. Q. Zhao S. Wang H. M. Steinhagen Tailored surface free energy of membrane diffusers to minimize microbial adhesion Appl. Surf. Sci. 2004 230 371 378
87. R. E. Baier, Substrata influences on the adhesion of microorganisms and their resultant new surface properties, ed., G. Bitton, K. S. Marshall, in Adsorption of micro-organisms to surface, Wiley/Interscience, New York, 1980, pp. 59-104
88. K. Becker Detachment studies on microfouling in natural biofilms on substrata with different surface tensions Int. Biodeterior. Biodegrad. 1998 41 93 100
89. C. I. Pereni Q. Zhao Y. Liu E. Abel Surface free energy effect on bacterial retention Colloids Surf., B 2006 48 143 147
90. Y. Arima H. Iwata Effect of wettability and surface functional groups on protein adsorption and cell adhesion using well-defined mixed self-assembled monolayers Biomaterials 2007 28 3074 3082
91. J. H. Lee G. Khang J. W. Lee H. B. Lee Interaction of different types of cells of polymer surfaces with wettability gradient J. Colloid Interface Sci. 1998 205 323 330
92. J. Li W. Zhang Bacterial behaviours on polymer surfaces with organic and inorganic antimicrobial compounds J. Biomed. Mater. Res., Part A 2008 88A 448 453
93. M. Raulio M. Järn J. Ahola J. Peltonen J. B. Rosenholm S. Tervakangas J. Kolehmainen T. Ruokolainen P. Narko M. Salkinoja-Salonen Microbe-repelling coated stainless steel analysed by field emission scanning electron microscopic and physicochemical methods J. Ind. Microbiol. Biotechnol. 2008 35 751 760
94. H. Yang Y. Deng Preparation and physical properties of superhydrophobic papers J. Colloid Interface Sci. 2008 325 588 593
95. A. Okada T. Nikaido M. Ikeda K. Okada J. Yamauchi R. M. Foxton H. Sawada J. Tagami K. Matin Inhibition of biofilm formation using newly developed coating materials with self-cleaning properties Dent. Mater. J. 2008 27 565 572
96. T. R. Scheuerman A. K. Camper M. A. Hamilton Effects of substratum topography on bacterial adhesion J. Colloid Interface Sci. 1998 208 23 33
97. A. J. Scardino R. de NYS Fouling deterrence on the bivalve shell Mytilus galloprovincialis: a physical phenomenon Biofouling 2004 20 249 257
98. A. J. Scardino E. Harvey R. de NYS Testing attachment point theory: diatom attachment on microtextured polyimide biomimics Biofouling 2006 22 55 60
99. R. F. Brady I. L. Singer Mechanical factors favouring release from fouling release coating Biofouling 2000 15 73 81
100. P. Tang W. Zhang Y. Wang B. Zhang H. Wang C. Lin L. Zhang Effect of superhydrophobic surface of titanium on Staphyococcus aureus adhesion J. Nanomater. 2011
101. B. J. Privett J. Youn S. A. Hong J. Lee J. Han J. H. Shin M. H. Schoenfisch Antibacterial fluorinated silica colloid superhydrophobic surfaces Langmuir 2011 27 9597 601
102. C. R. Crick S. Ismail J. Pratten I. P. Parkin An investigation into bacterial attachment to an elastomeric superhydrophobic surface prepared via aerosol assisted deposition Thin Solid Films 2011 519 3722 3727
103. L. R. Freschauf J. McLane H. Sharma M. Khine Shrink-induced superhydrophobic and antibacterial surfaces in consumer plastics PLoS One 2012 7 e40987
104. E. Fadeeva V. K. Truong M. Stiesch B. N. Chichkov R. J. Crawford J. Wang E. P. Ivanova Bacterial retention on superhydrophobic titanium surfaces fabricated by femtosecond laser ablation Langmuir 2011 27 3012 3019
105. C. Sousa D. Rodrigues R. Oliveira W. Song J. F. Mano J. Azeredo Superhydrophobic poly(L-lactic acid) surface as potential bacterial colonization substrate AMB Express 2011 1 34
106. I. Banerjee R. C. Pangule R. S. Kane Anti-fouling coatings: recent developments in the design of surfaces that prevent fouling by proteins, bacteria, and marine organisms Adv. Mater. 2011 23 690 718
107. C. P. Stallard K. A. McDonnell O. D. Onayemi J. P. O'Gara D. P. Dowling Evaluation of protein adsorption on atmosphere plasma deposited coatings exhibiting superhydrophilic to superhydrophobic properties Biointerphases 2012 7 31
108. P. Roach N. J. Shirtcliffe D. Farrar C. C. Perry Quantification of surface bound proteins by fluorometric assay: Comparison with quartz crystal microbalance and amido black assay J. Phys. Chem. B 2006 110 20572 20579
109. Y. Koc A. J. Mello G. McHale M. I. Newton P. Roach N. J. Shirtcliff Nano-scale superhydrophobicity: suppression of protein adsorption and promotion of flow-induced detachmeng Lab Chip 2008 8 582 586
110. R. B. Pernites C. M. Santos M. Maldonado R. R. Ponnapati D. F. Rodrigues R. C. Advincula Tunable protein and bacterial cell adsorption on colloidally temperlated superhydrophobic polythiophene films Chem. Mater. 2012 24 870 880
111. X. Wang W. Song Y. Gan C. Cheng C. Xia P. Jiang X. Deng T. Sun L. Jiang Superhydrophobic modification of hydroxyapatitie decreased in vitro Streptococcus mutans adhesion and calcium dissolution Chin. J. Dent. Res. 2009 12 15 20
112. V. K. Truong H. K. Webb E. Fadeeva B. N. Chichkov A. H. F. Wu R. Lamb J. Y. Wang R. J. Crawford E. P. Ivanova Air-directed attachment of coccoid bacteria to the surface of superhydrophobic lotus-like titanium Biofouling 2012 28 539 550
113. J. Zhang X. Sheng L. Jiang The dewetting properties of Lotus leaves Langmuir 2009 25 1371 1376
114. H. Zhang R. Lamb J. Lewis Engineering nanoscale roughness on hydrophobic surface-preliminary assessment of fouling behaviour Sci. Technol. Adv. Mater. 2005 6 236 239
115. J. Ma Y. Sun K. Gleichauf J. Lou Q. Li Nanostructure on Taro leaves fouling by colloids and bacteria under submerged conditions Langmuir 2011 27 10035 10040
116. T. Liu L. Dong T. Liu Y. Yin Investigations on reducing microbiologically-influenced corrosion of aluminium by using superhydrophobic surfaces Electrochim. Acta 2010 55 5281 5285
117. P. V. Mahalakshmi S. C. Vanithakumari J. Gopal U. K. Mudali B. Raj Enhancing corrosion and biofouling resistance through superhydrophobic surface modification Current Science 2011 101 1328 1336
118. M. S. Khalil-Abad M. E. Yazdanshenas Superhydrophobic anti-bacterial cotton textiles J. Colloid Interface Sci. 2010 351 293 298
119. J. S. Chung B. G. Kim S. Shim S. E. Kim E. H. Sohn J. Yoon J. C. Lee Silver-perfluorodecanethiolate complexes having superhydrophobic, antifouling, antibacterial properties J. Colloid Interface Sci. 2012 366 64 69
120. H. Tang H. Wang J. He Superhydrophobic titania membranes of different adhesive forces fabricated by electrospinning J. Phys. Chem. C 2009 113 14220 14224
121. J. Zheng J. Song Q. Jiang J. Lian Superhydrophobic behaviour and optical properties of ZnO film fabricated by hydrothermal method J. Mater. Sci. Technol. 2012 28 103 108