Isomerism control of diethylstilbestrol by metal surface induced O-H cleavage.
Chem Commun (Camb)
; 54(88): 12495-12498, 2018 Nov 14.
Article
em En
| MEDLINE
| ID: mdl-30339165
ABSTRACT
Diethylstilbestrol (DES) is studied on Ag(111) and Cu(111) surfaces using X-ray photoelectron spectroscopy (XPS) and scanning tunnelling microscopy (STM). We find that DES molecules on the silver surface adsorb intact and adopt a trans-conformation. On the more reactive copper surface, O-H bond cleavage results in molecular adsorption in the cis-conformation, thus providing the means of obtaining different adsorption geometries. The difference in isomerism is reflected in the observed self-assemblies which exhibit room-temperature stability.
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MEDLINE
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En
Ano de publicação:
2018
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Article