期刊
CARBON
卷 96, 期 -, 页码 1157-1165出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.carbon.2015.10.068
关键词
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资金
- National Natural Science Foundation of China [21175061, 21375050, 21405063]
- Key Laboratory of Modern Agriculture Equipment and Technology [NZ201109]
- Priority Academic Program Development of Jiangsu Higher Education Institutions [PAPD-2014-37]
A facile bottom-up approach for producing nitrogen doped graphene quantum dots (N-GQDs) was carried out by the carbonization of ammonium citrate under atmospheric pressure. And further, N-GQDs/BiOBr nanohybrids with N-GQDs uniformly distributed on BiOBr nanoplates were fabricated by a one-pot solvothermal method using the proposed N-GQDs as the precursor. As an excellent enhancer, the doped N-GQDs could improve the photoactivity and photostability of BiOBr nanoplates in the N-GQDs/BiOBr nanohybrids. Moreover, the photoactivity of N-GQDs/BiOBr nanohybrids was influenced remarkably by the content of the doped N-GQDs, and the results indicated that 3 wt% N-GQDs/BiOBr nanohybrids showed the optimal photoactivity. The N-GQDs/BiOBr nanohybrids showed excellent performance in the photoelectrochemical detection of glutathione as well as photocatalytic degradation of rhodamine B. And a possible mechanism of N-GQDs on the enhancement photoactivity and photostability of N-GQDs/BiOBr nanohybrids was also proposed. This gave insights into N-GQDs/BiOBr nanohybrids and described a novel method to design and fabricate high photoactivity nanohybrids related to N-GQDs. (C) 2015 Elsevier Ltd. All rights reserved.
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