Journal
CHINESE CHEMICAL LETTERS
Volume 31, Issue 2, Pages 513-516Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.cclet.2019.04.065
Keywords
Carbon nitride nanoparticles; Dissolution; Nanoprecipitation; High yield; Photocatalysis
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Funding
- National Natural Science Foundation of China [21775018, 21675022]
- Natural Science Foundation of Jiangsu Province [BK20160028, BK20170084]
- Open Funds of the State Key Laboratory of Electroanalytical Chemistry [SKLEAC201909]
- Fundamental Research Funds for the Central Universities
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As an emerging 2D conjugated material, graphitic carbon nitride (CN) has attracted great research attention as important catalytic medium for transforming solar energy. Nanostructure modulation of CN is an effective way to improve catalytic activities and has been extensively investigated, but remains challenging due to complex processes, time consuming or low yield. Here, taking advantage of recent discovered good solvents for CN, a nanoprecipitation approach using poor solvents is proposed for preparation of CN nanoparticles (CN NPs). With simple processes of CN dissolution and precipitation, we can quickly synthesize CN NPs (similar to 40 nm) with a yield of up to 50%, the highest one to the best of our knowledge. As an example of potential applications, the as-prepared CN NPs were applied to photocatalytic degradation of dyes with an evident boosted performance up to 2.5 times. This work would open a new way for batch preparation of nanostructured CN and pave its large-scale industrial applications. (C) 2019 Chinese Chemical Society and Institute of Materia Medica, Chinese Academy of Medical Sciences.
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