Journal of the American Chemical Society 2006-09-27

Rotational polymorphism in 2-naphthalenethiol SAMs on Au(111).

Peng Jiang, Aymeric Nion, Alexandr Marchenko, Luc Piot, Denis Fichou

Index: J. Am. Chem. Soc. 128(38) , 12390-1, (2006)

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Abstract

We evidence by STM that 2-naphthalenethiol self-assembled monolayers formed at the n-tetradecane/Au(111) interface coexist as two structural phases which both possess molecules into two different orientations (standing and lying). Such a rotational polymorphism is observed and understood at the molecular level for the first time.