Superwetting of TiO2by light-induced water-layer growth via delocalized surface electrons

Proceedings of the National Academy of Sciences of the United States of America

Volumn 111, Issue 16, 2014, Pages 5784-5789

  Lee, Kunyoung ^a   Kim, QHwan ^a   An, Sangmin ^a   An, JeongHoon ^b   Kim, Jongwoo ^a   Kim, Bongsu ^a   Jhe, Wonho ^a  

^a Seoul National University   (South Korea)

^b Park Systems Inc   (South Korea)

Author keywords

[No Author keywords available]

Indexed keywords

OXYGEN; TITANIUM DIOXIDE; WATER;

ADSORPTION; ARTICLE; CATALYSIS; CONTACT ANGLE; ELECTRON; ELECTROWETTING; LIGHT; MOLECULAR DYNAMICS; MOLECULE; PRIORITY JOURNAL; SURFACE PROPERTY;

EID: 84899083810     PISSN: 00278424     EISSN: 10916490     Source Type: Journal    
DOI: 10.1073/pnas.1319001111     Document Type: Article

References (39)

1. Wang R, et al. (1997) Light-induced amphiphilic surfaces. Nature 388:431.
2. 2 - new photochemical processes. Chem Rev 106(10):4428- 4453.
3. 2 films by surface-enhanced IR absorption spectroscopy. Langmuir 17(8):2298-2300.
4. 1HNMR spectroscopy. J Phys Chem B 107:12042-12044.
5. 2 thin films. Appl Phys Lett 90:181928.
6. 2 film detected by sum frequency generation: Trace hydrocarbons and hydroxyl groups. Langmuir 19(18):7330-7334.
7. 2(110) and adsorbed trimethyl acetate. J Phys Chem B 107(34):9029-9033.
8. Zubkov T, et al. (2005) Ultraviolet light-induced hydrophilicity effect on TiO2(110)(1 x 1). Dominant role of the photooxidation of adsorbed hydrocarbons causing wetting by water droplets. J Phys Chem B 109(32):15454-15462.
9. Kanta A, Sedev R, Ralston J (2005) Thermally- and photoinduced changes in the water wettability of low-surface-area silica and titania. Langmuir 21(6):2400-2407. (Pubitemid 40421887)
10. 2 photocatalyst surface. J Phys Chem B 109(32):15422-15428.
11. Nakajima A (2011) Design of hydrophobic surfaces for liquid droplet control. NPG Asia Mater 3:49-56.
12. Garcia R, Perez R (2002) Dynamic atomic force microscopy method. Surf Sci Rep 47:197-301. (Pubitemid 35022824)
13. Choe H, et al. (2005) Formation, manipulation, and elasticity measurement of a nanometric column of water molecules. Phys Rev Lett 95(18):187801.
14. Lee M, Jhe W (2006) General theory of amplitude-modulation atomic force microscopy. Phys Rev Lett 97(3):036104.
15. Israelachivili JN (2011) Intermolecular and Surface Forces (Academic, London), 3rd Ed, pp 456-457.
16. 2 specimens analysis and assignments. J Phys Chem C 113(34):15110-15123.
17. Szczepankiewicz SH, Moss JA, Hoffmann MR (2002) Electron traps and the stark effect on hydroxylated titania photocatalysts. J Phys Chem B 106(31):7654-7658. (Pubitemid 35383001)
18. 2 single crystal controlled by heat treatments. J Phys Soc Jpn 73(3):703-710.
19. Boschloo G, Fitzmaurice D (1999) Spectroelectrochemical investigation of surface states in nanostructured TiO2 electrodes. J Phys Chem B 103(12):2228-2231. (Pubitemid 129702046)
20. Wendt S, et al. (2008) The role of interstitial sites in the Ti3d defect state in the band gap of titania. Science 320(5884):1755-1759. (Pubitemid 351931286)
21. Kowalski PM, Camellone MF, Nair NN, Meyer B, Marx D (2010) Charge localization dynamics induced by oxygen vacancies on the TiO2(110) surface. Phys Rev Lett 105(14):146405.
22. Chen J, Lin LB, Jing FQ (2001) Theoretical study of F-type color center in rutile TiO2. J Phys Chem Solids 62:1257-1262. (Pubitemid 32384469)
23. 2 nanoparticles by femtosecond infrared spectroscopy. J Phys Chem B 102(34):6482-6486.
24. Daub CD, Bratko D, Luzar A (2011) Electric control of wetting by salty nanodrops: Molecular dynamics simulations. J Phys Chem C 115(45):22393-22399.
25. Yuan Q, Zhao YP (2010) Precursor film in dynamic wetting, electrowetting, and electro-elasto-capillarity. Phys Rev Lett 104(24):246101.
26. Wang C, et al. (2009) Stable liquid water droplet on a water monolayer formed at room temperature on ionic model substrates. Phys Rev Lett 103(13):137801.
27. Hu J, Xiao XD, Ogletree DF, Salmeron M (1995) Imaging the condensation and evaporation of molecularly thin films of water with nanometer resolution. Science 268(5208):267-269.
28. Fukuma T, Higgins MJ, Jarvis SP (2007) Direct imaging of lipid-ion network formation under physiological conditions by frequency modulation atomic force microscopy. Phys Rev Lett 98(10):106101.
29. 3 (0001) surface: Insights from experimental atomic force spectroscopic data and atomistic molecular dynamics simulations. J Phys Chem C 117(20):10433-10444.
30. Wang J, Bratko D, Luzar A (2011) Probing surface tension additivity on chemically heterogeneous surfaces by a molecular approach. Proc Natl Acad Sci USA 108(16):6374-6379.
31. Bratko D, Daub CD, Leung K, Luzar A (2007) Effect of field direction on electrowetting in a nanopore. J Am Chem Soc 129(9):2504-2510. (Pubitemid 46364056)
32. Phan A, Ho TA, Cole DR, Striolo A (2012) Molecular structure and dynamics in thin water films at metal oxide surfaces: Magnesium, aluminum, and silicon oxide surfaces. J Phys Chem C 116(30):15962-15973.
33. 2 anatase surfaces. J Phys Chem C 115(29):14164-14172.
34. Asahi R, Morikawa T, Ohwaki T, Aoki K, Taga Y (2001) Visible-light photocatalysis in nitrogen-doped titanium oxides. Science 293(5528):269-271. (Pubitemid 32694736)
35. Miyauchi M, Nakajima A, Watanabe T, Hashimoto K (2002) Photocatalysis and photoinduced hydrophilicity of various metal oxide thin films. Chem Mater 14(6):2812-2816.
36. 2O systems from ab initio calculations. J Phys Chem B 107(40):11072-11081.
37. Giovambattista N, Debenedetti PG, Rossky PJ (2007) Effect of surface polarity on water contact angle and interfacial hydration structure. J Phys Chem B 111(32):9581-9587. (Pubitemid 47317885)
38. Castrillón SRV, Giovambattista N, Aksay IA, Debenedetti PG (2011) Structure and energetics of thin film water. J Phys Chem C 115(11):4624-4635.
39. Ohler B, Langel W (2009) Molecular dynamics simulations on the interface between titanium dioxide and water droplets: A new model for the contact angle. J Phys Chem C 113(23):10189-10197.