期刊
ADVANCED MATERIALS
卷 29, 期 28, 页码 -出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adma.201700695
关键词
bandgap; boron nitride; magnetic; nanosheets; oxygen
类别
资金
- World Premier International Center for Materials Nanoarchitectonics (WPI-MANA) of NIMS, Tsukuba, Japan
- JSPS KAKENHI Grant [16K21600]
- Ministry of Education and Science of the Russian Federation in the framework of Increase Competitiveness Program of NUST MISIS [K2-2015-033]
- RFBR [16-32-60138 mol_a_dk]
- Ministry of Education and Science of the Russian Federation [14.Y26.31.0005]
- Australian Research Council
- Grants-in-Aid for Scientific Research [16K21600] Funding Source: KAKEN
Engineering of the optical, electronic, and magnetic properties of hexagonal boron nitride (h-BN) nanomaterials via oxygen doping and functionalization has been envisaged in theory. However, it is still unclear as to what extent these properties can be altered using such methodology because of the lack of significant experimental progress and systematic theoretical investigations. Therefore, here, comprehensive theoretical predictions verified by solid experimental confirmations are provided, which unambiguously answer this long-standing question. Narrowing of the optical bandgap in h-BN nanosheets (from approximate to 5.5 eV down to 2.1 eV) and the appearance of paramagnetism and photoluminescence (of both Stokes and anti-Stokes types) in them after oxygen doping and functionalization are discussed. These results are highly valuable for further advances in semiconducting nanoscale electronics, optoelectronics, and spintronics.
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