Scanning tunneling microscopy studies of alkane and alkanol adsorbed on graphite | Zendy

Yongjun Chen | Zendy; Zhao Ru-Guang | Zendy; YANG WEI-SHENG | Zendy

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Scanning tunneling microscopy studies of alkane and alkanol adsorbed on graphite

Author(s) -

Yongjun Chen,

Zhao Ru-Guang,

YANG WEI-SHENG

Publication year - 2005

Publication title -

acta physica sinica

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.199

H-Index - 47

ISSN - 1000-3290

DOI - 10.7498/aps.54.284

Subject(s) - tetradecane , scanning tunneling microscope , graphite , lamella (surface anatomy) , alkane , materials science , lamellar structure , chemical physics , adsorption , crystallography , anisotropy , nanotechnology , chemistry , optics , organic chemistry , physics , hydrocarbon , composite material

The behavior of tetradecane and octadecanol adsorbed on graphite in solid-gas interface is investigated at room temperature by STM. The studies reveal that tetradecane and octadecanol on graphite are self-assembled into a high degree of two-dimensional order, and the lamellar structure, which is similar to that of STM observation in solid-liquid interface, is obtained. But the high-resolution images give striking differences in molecular arrangement, lattice constant and orientation of molecules in one lamella, and we attribute these differences to the solvent effect suggested in previous neutron diffraction studies.

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