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One-Step Exfoliation and Fluorination of Boron Nitride Nanosheets and a Study of Their Magnetic Properties
2014-04-04 00:29   审核人:

Angew. Chem. Int. Ed. 2014, 53, 3645 –3649 

Miao Du, Xianlei Li, Aizhu Wang, Yongzhong Wu, Xiaopeng Hao,* and Mingwen Zhao*  

A novel, simple, and efficient method for the preparation of the fluorinated hexagonal boron nitride nanosheets(F-BNNSs) and the corresponding magnetic properties is presented. A one-step route is used to exfoliate and fluorinate the BNNSs by ammonium fluoride (NH4F) from hexagonal boron nitride (h-BN) powder. Through related instrument characterizations and theoretical calculations, we confirm that large-area and few-layer F-BNNSs were successfully produced by this method, which can be attributed to a fluorinationassisted exfoliation mechanism from the bulk h-BN in NH4F. More intriguingly, we initially verified that the as-prepared FBNNSs exhibit ferromagnetic characteristics, which wouldhave good potential applications in spintronic devices. 

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