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Citation: Xu Guo-Hua, Higashitani Ko. Changes of the Surface Adhesion Forces during the Formation of OTS Self-Assembled Monolayer Investigated by AFM[J]. Acta Physico-Chimica Sinica, ;1999, 15(05): 458-461. doi: 10.3866/PKU.WHXB19990514 shu

Changes of the Surface Adhesion Forces during the Formation of OTS Self-Assembled Monolayer Investigated by AFM

1.
Department of Chemical Engineering,Zhejiang University,Hangzhou 310027;Department of Chemical Engineering,Kyoto University,Kyoto606-01,Japan

Received Date: 20 July 1998
Available Online: 15 May 1999

Changes of the surface adhesion forces during the formation of octadecyltrichlorosilane (OTS) self assembled monolayer on glass substrate surface was investigated by Atomic Force Microscope (AFM). The research showed that as the reaction proceeded, the hydrophobicities and the adhesion forces of the sample surfaces increased gradually. After 15 min reaction, the glass surface was completely hydrophobic with an advancing contact angle of 105° and an interfacial energy of 55. 79 mJ•m-2.
- Surface adhesion force,
- Atomic Force Microscope(AFM),
- Octadecyltrichlorosilane(OTS),
- Self-assembled monolayer
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