Formation, Structure, and Thermal Annealing Effects of Ordered Self-Assembled Monolayers of 4-Fluorobenzeneselenol on Au(111).

Sicheon Seong, Jin Wook Han, Gayeong Joo, Hyun Sun Sung, Hong Kyu Park, Jaegeun Noh

Abstract read

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Article in Molecules (Basel, Switzerland), 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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6 authors.

Sicheon SeongDepartment of Chemistry, Hanyang University, 222 Wangsimni-ro, Seongdong-gu, Seoul 04763, Republic of Korea.

Jin Wook HanDepartment of Chemistry, Hanyang University, 222 Wangsimni-ro, Seongdong-gu, Seoul 04763, Republic of Korea.

Gayeong JooDepartment of Chemistry, Hanyang University, 222 Wangsimni-ro, Seongdong-gu, Seoul 04763, Republic of Korea.

Hyun Sun SungDepartment of Chemistry, Hanyang University, 222 Wangsimni-ro, Seongdong-gu, Seoul 04763, Republic of Korea.

Hong Kyu ParkDepartment of Chemistry, Hanyang University, 222 Wangsimni-ro, Seongdong-gu, Seoul 04763, Republic of Korea.

Jaegeun NohDepartment of Chemistry, Hanyang University, 222 Wangsimni-ro, Seongdong-gu, Seoul 04763, Republic of Korea.ORCID 0000-0002-6115-7971

Funding

National Research Foundation of Korea 2020R1A6A1A06046728National Research Foundation of Korea 2021R1A2C2010917National Research Foundation of Korea 2024K2A9A2A08000126

6 · The paper itself

Abstract

The formation, surface structure, and thermal annealing effects of self-assembled monolayers (SAMs) via vapor deposition of 4-fluorobenzeneselenol (4-FBSeH) on Au(111) at room temperature were investigated using scanning tunneling microscopy (STM). The most prominent structural feature is that 4-fluorobenzeneselenolate (4-FBSe) SAMs on Au(111) are composed of numerous SAM-covered Au adatom islands, regardless of the deposition time. High-resolution STM observations revealed that the ordered phase of 4-FBSe SAMs was formed after very short deposition times of 30 s and 3 min, whereas the disordered phase was formed after long deposition times of 1 h and 24 h. The ordered phase can be described as a (4 × 2√3) structure, and the average areal molecular density of the SAMs was calculated to be 29.0 Å

Indexed as

4-fluorobenzeneselenoladsorptionordered phasescanning tunneling microscopyself-assembled monolayersstructurethermal annealing effect

Identifiers

PMID40363862

DOI10.3390/molecules30092057

PMCPMC12073384

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