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Park, Noejung
Computational Physics & Electronic Structure Lab
Research Interests
  • Electronic structure calculation, computational physics, computational material science

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Paramagnetic Carbon Nanosheets with Random Hole‐defects and Oxygenated Functional Groups

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Title
Paramagnetic Carbon Nanosheets with Random Hole‐defects and Oxygenated Functional Groups
Author
Jung, Sun-MinPark, JeongminShin, DongbinLee, DongKyuJeong, Hu YoungJeon, In-YupCho, HyungjoonPark, NoejungYoo, Jung-WooBaek, Jong-Beom
Issue Date
2019-08
Publisher
John Wiley & Sons Ltd.
Citation
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION, v.58, no.34, pp.11670 - 11675
Abstract
Ordered graphitic carbon nanosheets (GCNs) were, for the first time, synthesized by the direct condensation of multifunctional phenylacetyl building blocks (monomers) in the presence of phosphorous pentoxide. The GCNs had highly ordered structures with random hole‐defects and oxygenated functional groups, showing paramagnetism. The results of combined structural and magnetic analyses indicate that the hole‐defects and functional groups are associated with the appearance and stabilization of unpaired spins. DFT calculations further suggest that the emergence of stabilized spin moments near the edge‐groups necessitates the presence of functionalized carbon atoms around the hole‐defects. That is, both hole‐defects and oxygenated functional groups are essential ingredients for the generation and stabilization of spins in GCNs.
URI
https://scholarworks.unist.ac.kr/handle/201301/26865
URL
https://onlinelibrary.wiley.com/doi/abs/10.1002/anie.201903226
DOI
10.1002/anie.201903226
ISSN
1433-7851
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