Adsorption of Acetonitrile on Si(111)-(7 x 7)
- Authors
- Hong, Suklyun; Min, Kyung-Ah; Park, Jinwoo; Kim, Hanchul; Mizutani, Hironori; Okada, Michio
- Issue Date
- Sep-2020
- Publisher
- AMER CHEMICAL SOC
- Citation
- ACS OMEGA, v.5, no.38, pp 24179 - 24185
- Pages
- 7
- Journal Title
- ACS OMEGA
- Volume
- 5
- Number
- 38
- Start Page
- 24179
- End Page
- 24185
- URI
- https://scholarworks.sookmyung.ac.kr/handle/2020.sw.sookmyung/1240
- DOI
- 10.1021/acsomega.0c01445
- ISSN
- 2470-1343
- Abstract
- The adsorption of acetonitrile (CH3CN) on Si(111)-(7 x 7) at a room temperature has been investigated using scanning tunneling microscopy (STM) and first-principles calculations. The site-specific information on adsorption enables us to understand the site-by-site and step-by-step adsorption mechanism. From theoretical simulations, the most stable configuration of CH3CN on Si(111)-(7 x 7) is found to be a molecularly chemisorbed CH3CN with the carbon and nitrogen atoms of CN bonded to the rest atom and adatom on the Si surface, respectively. Some chemisorption-induced features in the STM topographic image are assigned based on the theoretical calculations.
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