On-Surface Synthesis of Dibenzohexacenohexacene and Dibenzopentaphenoheptaphene

Xu, Xiushang; Kinikar, Amogh; Di Giovannantonio, Marco; Ruffieux, Pascal; Müllen, Klaus; Fasel, Roman; Narita, Akimitsu (2021). On-Surface Synthesis of Dibenzohexacenohexacene and Dibenzopentaphenoheptaphene. Bulletin of the Chemical Society of Japan, 94(3), pp. 997-999. The Chemical Society of Japan 10.1246/bcsj.20200382

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We report the on-surface synthesis and gas-phase theoretical studies of two novel nanographenes, namely, dibenzohexacenohexacene and dibenzopentaphenoheptaphene, using 8,8'-dibromo-5,5'-bibenzo[rst]pentaphene as a precursor. These nanographenes display a combination of armchair and zigzag edges, as shown by noncontact atomic force microscopy (nc-AFM), and their electronic properties are elucidated by density functional theory (DFT) calculations which reveal relatively low HOMO-LUMO energy gaps of about 1.75 eV.

Item Type:

Journal Article (Original Article)

Division/Institute:

08 Faculty of Science > Department of Chemistry, Biochemistry and Pharmaceutical Sciences (DCBP)

UniBE Contributor:

Fasel, Roman

Subjects:

500 Science > 530 Physics
500 Science > 540 Chemistry

ISSN:

0009-2673

Publisher:

The Chemical Society of Japan

Language:

English

Submitter:

Roman Fasel

Date Deposited:

15 Feb 2022 17:06

Last Modified:

05 Dec 2022 16:05

Publisher DOI:

10.1246/bcsj.20200382

BORIS DOI:

10.48350/164868

URI:

https://boris.unibe.ch/id/eprint/164868

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