Adsorption of Acetonitrile on Si(111)-(7 × 7) | Zendy

Suklyun Hong | Zendy; KyungAh Min | Zendy; Jinwoo Park | Zendy; Hanchul Kim | Zendy; Hironori Mizutani | Zendy; Michio Okada | Zendy

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Adsorption of Acetonitrile on Si(111)-(7 × 7)

Author(s) -

Suklyun Hong,

KyungAh Min,

Jinwoo Park,

Hanchul Kim,

Hironori Mizutani,

Michio Okada

Publication year - 2020

Publication title -

acs omega

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.779

H-Index - 40

ISSN - 2470-1343

DOI - 10.1021/acsomega.0c01445

Subject(s) - chemisorption , adsorption , scanning tunneling microscope , acetonitrile , atom (system on chip) , nitrogen atom , carbon fibers , nitrogen , materials science , chemistry , crystallography , chemical physics , nanotechnology , organic chemistry , composite number , computer science , composite material , group (periodic table) , embedded system

The adsorption of acetonitrile (CH 3 CN) on Si(111)-(7 × 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 CH 3 CN on Si(111)-(7 × 7) is found to be a molecularly chemisorbed CH 3 CN 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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