期刊
CHEMICAL SCIENCE
卷 6, 期 1, 页码 283-287出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c4sc02576h
关键词
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资金
- National Natural Science Foundation of China [21222101, U1432133, 11132009, 21331005, 11321503, J1030412]
- Chinese Academy of Science [XDB01010300]
- Fok Ying-Tong Education Foundation, China [141042]
- Fundamental Research Funds for the Central Universities [WK2060190027, WK2310000024]
Ferromagnetic two-dimensional (2D) ultrathin nanosheets hold great promise for next generation electronics. Ferromagnetic metal-free materials that usually possess only an s/p electronic configuration with weak spin-orbit coupling and a large spin relaxation time, would play an important role in constructing future spintronic devices. However, the absence of an intrinsic spin ordering structure in most metal-free materials greatly hampers the widening scope of ferromagnetic 2D nanostructures as well as in-depth understanding of their ferromagnetic nature. Herein, the induction of intrinsic ferromagnetism in 2D metal-free g-C3N4 ultrathin nanosheets has been achieved through a new effective strategy whereby hydrogen dangling bonds are introduced. In our case, g-C3N4 ultrathin nanosheets with hydrogen dangling bonds showed obvious room temperature ferromagnetic behavior that could even be tuned by the concentration of hydrogen. This work will pave a new pathway to engineer the properties of 2D nanomaterial systems.
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