H-Bonding Enables Molecular Dancing | May 17, 2010 Issue - Vol. 88 Issue 20 | Chemical & Engineering News
 
 
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Volume 88 Issue 20 | p. 29 | Concentrates
Issue Date: May 17, 2010

H-Bonding Enables Molecular Dancing

Transient adsorbed hydrogen facilitates diffusion of organic molecules across a titania surface
Department: Science & Technology
Keywords: surface diffusion, hydrogen bonding, titanium dioxide, catechol

Hydrogen bonding plays a key role in the diffusion of organic molecules across solid surfaces in a dancelike performance, according to a study published in Science (2010, 328, 882). Previous surface studies based on area-averaging techniques have established that hydrogen adsorbed on solids influences diffusion of other adsorbates. But atomic-scale details of such diffusion processes, which can control chemical reactivity and self-assembly on surfaces, have remained largely unknown. With a combination of scanning tunneling microscopy . . .

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