Room temperature bilayer water structures on a rutile TiO2(110) surface: hydrophobic or hydrophilic?

Author:

Qu Mengyang12,Huang Gang3,Liu Xinyi4,Nie Xuechuan12,Qi Chonghai1,Wang Huabin5,Hu Jun16,Fang Haiping7,Gao Yi16ORCID,Liu Wei-Tao4,Francisco Joseph S.8ORCID,Wang Chunlei16ORCID

Affiliation:

1. Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai 201800, China

2. University of Chinese Academy of Sciences, Beijing, 100049, China

3. Institute of Theoretical Physics, Chinese Academy of Sciences, Zhongguancun East Road 55, Beijing 100190, China

4. Department of Physics, Fudan University, Shanghai 200433, China

5. Chongqing Institute of Green and Intelligent Technology, Chinese Academy of Sciences, Chongqing, 400714, China

6. Zhangjiang Lab, Interdisplinary Research Center, Shanghai Advanced Research Institute, Chinese Academy of Sciences, Shanghai 201210, China

7. School of Science, East China University of Science and Technology, Shanghai 200237, China

8. Department of Earth and Environmental Science and Department of Chemistry, University of Pennsylvania, Philadelphia, Pennsylvania, USA

Abstract

An ordered water bilayer structure was identified on a rutile TiO2(110) surface at ambient temperature by combining VSFG experiments and MD simulations, which well explained the long-time controversy on the wetting behaviors of the TiO2 surface.

Funder

National Natural Science Foundation of China

Publisher

Royal Society of Chemistry (RSC)

Subject

General Chemistry

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