Self-assembled monolayers based on Pd-containing organometallic thiols: preparation and structural characterization.
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.
Vitaliano
Rosa
R
Department of Chemistry, University of Rome La Sapienza P. le A. Moro, 5- 00185, Rome, Italy.
Fratoddi
Ilaria
I
Venditti
Iole
I
Roviello
Giuseppina
G
Battocchio
Chiara
C
Polzonetti
Giovanni
G
Russo
Maria Vittoria
MV
D000042:Absorption; D006046:Gold / Q000737:chemistry; D009942:Organometallic Compounds / Q000737:chemistry*; D010165:Palladium / Q000737:chemistry*; D056951:Photoelectron Spectroscopy; D012825:Silicon / Q000737:chemistry; D013438:Sulfhydryl Compounds / Q000737:chemistry*
D009942:Organometallic Compounds; D013438:Sulfhydryl Compounds; D010165:Palladium; D006046:Gold; D012825:Silicon