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Unveiling Microscopic Structures of Charged Water Interfaces by Surface-Specific Vibrational Spectroscopy.
Wen, Yu-Chieh; Zha, Shuai; Liu, Xing; Yang, Shanshan; Guo, Pan; Shi, Guosheng; Fang, Haiping; Shen, Y Ron; Tian, Chuanshan.
Afiliação
  • Wen YC; Department of Physics, State Key Laboratory of Surface Physics, and Key Laboratory of Micro- and Nano-Photonic Structures (MOE), Fudan University, Shanghai 200433, People's Republic of China.
  • Zha S; Department of Physics, University of California, Berkeley, California 94720, USA.
  • Liu X; Institute of Physics, Academia Sinica, Taipei 11529, Taiwan, Republic of China.
  • Yang S; Department of Physics, State Key Laboratory of Surface Physics, and Key Laboratory of Micro- and Nano-Photonic Structures (MOE), Fudan University, Shanghai 200433, People's Republic of China.
  • Guo P; Division of Interfacial Water and Key Laboratory of Interfacial Physics and Technology, Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai 201800, People's Republic of China.
  • Shi G; University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China.
  • Fang H; Department of Physics, State Key Laboratory of Surface Physics, and Key Laboratory of Micro- and Nano-Photonic Structures (MOE), Fudan University, Shanghai 200433, People's Republic of China.
  • Shen YR; Division of Interfacial Water and Key Laboratory of Interfacial Physics and Technology, Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai 201800, People's Republic of China.
  • Tian C; University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China.
Phys Rev Lett ; 116(1): 016101, 2016 Jan 08.
Article em En | MEDLINE | ID: mdl-26799031
ABSTRACT
A sum-frequency spectroscopy scheme is developed that allows the measurement of vibrational spectra of the interfacial molecular structure of charged water interfaces. The application of this scheme to a prototype lipid-aqueous interface as a demonstration reveals an interfacial hydrogen-bonding water layer structure that responds sensitively to the charge state of the lipid headgroup and its interaction with specific ions. This novel technique provides unique opportunities to search for better understanding of electrochemistry and biological aqueous interfaces at a deeper molecular level.
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Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Idioma: En Ano de publicação: 2016 Tipo de documento: Article
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Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Idioma: En Ano de publicação: 2016 Tipo de documento: Article