Please use this identifier to cite or link to this item:
|Title:||Adsorption-induced desorption of benzene on Si(111)-7 × 7 by substrate-mediated electronic interactions|
|Citation:||Yong, K.S., Yang, S.-W., Zhang, Y.P., Wu, P., Xu, G.Q. (2008-04-01). Adsorption-induced desorption of benzene on Si(111)-7 × 7 by substrate-mediated electronic interactions. Langmuir 24 (7) : 3289-3293. ScholarBank@NUS Repository. https://doi.org/10.1021/la7034483|
|Abstract:||The process of benzene adsorption on an adjacent adatom-rest atom pair on Si(111)-7 × 7 at room temperature was studied using in-situ scanning tunneling microscopy (STM). Both adsorption and desorption of benzene were observed to take place mostly at adjacent sites during the process. DFT calculation results show that the bond length between the rest atom and the carbon atom in a pre-adsorbed benzene molecule increases due to the charge transfer from a neighboring rest atom in response to an approaching benzene molecule. Such increase in the bond length, when coupled resonantly to the C-Si thermal vibration, could result in bond breakage and desorption of the adsorbate. The studies provide evidence for the desorption of a chemisorbed benzene caused by an adsorbing benzene at a neighboring site through a substrate-mediated electronic interaction. © 2008 American Chemical Society.|
|Appears in Collections:||Staff Publications|
Show full item record
Files in This Item:
There are no files associated with this item.
checked on Aug 11, 2018
WEB OF SCIENCETM
checked on Jul 17, 2018
checked on Aug 3, 2018
Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.