One-step synthesis of boron nitride quantum dots: simple chemistry meets delicate nanotechnology

Liu, Bingping, Yan, Shihai, Song, Zhongqian, Liu, Mengli, Ji, Xuqiang, Yang, Wenrong and Liu, Jingquan 2016, One-step synthesis of boron nitride quantum dots: simple chemistry meets delicate nanotechnology, Chemistry - a European journal, vol. 22, no. 52, pp. 18899-18907, doi: 10.1002/chem.201603935.

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Title One-step synthesis of boron nitride quantum dots: simple chemistry meets delicate nanotechnology
Author(s) Liu, Bingping
Yan, Shihai
Song, Zhongqian
Liu, Mengli
Ji, Xuqiang
Yang, WenrongORCID iD for Yang, Wenrong
Liu, Jingquan
Journal name Chemistry - a European journal
Volume number 22
Issue number 52
Start page 18899
End page 18907
Total pages 9
Publisher Wiley-Blackwell
Place of publication London, Eng.
Publication date 2016-12-23
ISSN 0947-6539
Keyword(s) boron
density functional calculations
fluorescent probes
ion detection
quantum dots
Summary Herein, a conceptually new and straightforward aqueous route is described for the synthesis of hydroxyl- and amino-functionalized boron nitride quantum dots (BNQDs) with quantum yields (QY) as high as 18.3 % by using a facile bottom-up approach, in which a mixture of boric acid and ammonia solution was hydrothermally treated in one pot at 200 °C for 12 h. The functionalized BNQDs, with excellent photoluminescence properties, could be easily dispersed in an aqueous medium and applied as fluorescent probes for the detection of ferrous (Fe(2+) ) and ferric (Fe(3+) ) ions with excellent selectivity and low detection limits. The mechanisms for the hydrothermal reaction and fluorescence quenching were also simulated by using density functional theory (DFT), which confirmed the feasibility and advantages of this strategy. It provides a scalable and eco-friendly method for preparation of BNQDs with good dispersability and could also be generalized to the synthesis of other 2D quantum dots and nanoplates.
Language eng
DOI 10.1002/chem.201603935
Field of Research 030302 Nanochemistry and Supramolecular Chemistry
03 Chemical Sciences
Socio Economic Objective 970103 Expanding Knowledge in the Chemical Sciences
HERDC Research category C1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Copyright notice ©2016, Wiley-VCH Verlag GmbH &Co. KGaA, Weinheim
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