Scanning Tunneling microscopy, Fourier transform infra-red and X-ray spectroscopy of thiourea adsorption from aqueous solution on silver (111)

V. BRUNETTI; B. BLUM; P.L.SCHILARDI; A. CUESTA; J. GAYONE; G. ZAMPIERI; R. C. SALVAREZZA; A. J. ARVIA

JOURNAL OF PHYSICAL CHEMISTRY B

American Chemical Society

Año: 2002 vol. 106 p. 9831 - 9831

1089-5647

p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: justify; mso-layout-grid-align: none">Thiourea (TU) adsorption on Ag(111) from aqueous solutions was investigated by in situ scanning tunneling microscopy operating under potential control. Hexagonal arrangements with d ) 0.44, 0.38, and 0.33 nm were imaged at potentials close to -1.2 V (vs SCE), where conjugated