Published in
American Chemical Society, The Journal of Physical Chemistry A, 52(113), p. 14730-14740, 2009
DOI: 10.1021/jp904865k
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Self-Assembled Monolayers Based on Pd-Containing Organometallic Thiols: Preparation and Structural Characterization
,
Iole Venditti ,
Giuseppina Roviello,
Chiara Battocchio,
Giovanni Polzonetti,
Maria Vittoria Russo
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- Must obtain written permission from Editor
- Must not violate ACS ethical Guidelines
- Must obtain written permission from Editor
- Must not violate ACS ethical Guidelines
Abstract
Multilayers and self-assembled monolayers of on-purpose-prepared organometallic thiolates, trans-[Pd(PBu(3))(2)(SCOCH(3))(2)], trans-[(C(6)H(5)C[triple bond]C)Pd(PBu(3))(2)(SCOCH(3))], and trans,trans-[(CH(3)COS)Pd(PBu(3))(2)(C[triple bond]C-C(6)H(4)-C(6)H(4)-C[triple bond]C)(PBu(3))(2)Pd(SCOCH(3))] were deposited onto gold surfaces. High-resolution X-ray photoelectron spectroscopy and near-edge X-ray absorption fine structure measurements allowed us to assess the anchoring of the organometallic thiols onto gold substrates; the interaction occurring at the interface; and their molecular orientation on the surface with tilt angles of about 30 degrees-40 degrees, depending on the investigated molecule. The molecule packing density/coverage was also assessed.