Optical constants and self-assembly of phenylene ethynylene oligomer monolayers

This paper studies the self-assembly on gold surfaces of 1,4-ethynylphenyl-4′-ethynylphenyl-2′-nitro-1-benzene-dithiolate (EP2NO 2), a substituted phenylene ethynylene trimer with applications in molecular electronics. We develop an ellipsometric technique to measure the optical constants of these s...

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Bibliographic Details
Published inOrganic electronics Vol. 5; no. 6; pp. 315 - 320
Main Authors Marx, Eike, Walzer, Karsten, Less, Robert J., Raithby, Paul R., Stokbro, Kurt, Greenham, Neil C.
Format Journal Article
LanguageEnglish
Published Elsevier B.V 01.12.2004
Subjects
Optical constants
Optical ellipsometry
Phenylene ethynylene oligomers
Self-assembly
Phenylene ethynylene oligomers
Self-assembly
Optical ellipsometry
78.20.C
Optical constants
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Summary:This paper studies the self-assembly on gold surfaces of 1,4-ethynylphenyl-4′-ethynylphenyl-2′-nitro-1-benzene-dithiolate (EP2NO 2), a substituted phenylene ethynylene trimer with applications in molecular electronics. We develop an ellipsometric technique to measure the optical constants of these self-assembled monolayers, and we also use attenuated total reflection Fourier transform infrared (ATR-FTIR) spectroscopy and scanning tunneling microscopy (STM) to confirm the structure of the films.
ISSN:1566-1199
1878-5530
DOI:10.1016/j.orgel.2004.10.005