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Lee, Geunsik
Electronic Structure and Transport in Condensed Materials
Research Interests
  • open quantum system, non-equilibrium electron transport
  • electron correlation, dynamical mean field theory
  • 2D materials, metal complexes

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Unveiling 79-year-old ixene and its BN-doped derivative

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Title
Unveiling 79-year-old ixene and its BN-doped derivative
Author
Pati, Palas BaranJin, EunjiKim, YohanKim, YongchulMun, JinhongKim, So JungKang, Seok JuChoe, WonyoungLee, GeunsikShin, Hyung-JoonPark, Young S.
Issue Date
2020-08
Publisher
WILEY-V C H VERLAG GMBH
Citation
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION, v.59, no.35, pp.14891 - 14895
Abstract
Polycyclic aromatic hydrocarbons (PAHs) are key components of organic electronics. The electronic properties of these carbon-rich materials can be controlled through doping with heteroatoms such as B and N, however, few convenient syntheses of BN-doped PAHs have been reported. Described herein is the rationally designed, two-step syntheses of previously unknown ixene and BN-doped ixene (B2N2-ixene), and their characterizations. Compared to ixene, B2N2-ixene absorbs longer-wavelength light and has a smaller electrochemical energy gap. In addition to its single-crystal structure, scanning tunneling microscopy revealed that B2N2-ixene adopts a nonplanar geometry on a Au(111) surface. The experimentally obtained electronic structure of B2N2-ixene and the effect of BN-doping were confirmed by DFT calculations. This synthesis enables the efficient and convenient construction of BN-doped systems with extended pi-conjugation that can be used in versatile organic electronics applications.
URI
https://scholarworks.unist.ac.kr/handle/201301/32064
URL
https://onlinelibrary.wiley.com/doi/full/10.1002/anie.202004049
DOI
10.1002/anie.202004049
ISSN
1433-7851
Appears in Collections:
CHM_Journal Papers
MSE_Journal Papers
ECHE_Journal Papers
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