期刊
JOURNAL OF MATERIALS CHEMISTRY C
卷 5, 期 41, 页码 10746-10753出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c7tc02966g
关键词
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资金
- National Natural Science Foundation of China [51672016, 51472013]
- State Key Laboratory of New Ceramic and Fine Processing Tsinghua University [KF201602]
- Beijing Key Discipline Foundation of Condensed Matter Physics
- NSF
- DHS joint ARI program [2011-DN-077-ARI053-02, 2011-DN-077-ARI053-03, 2011-DN-077-ARI053-04, 2011-DN-077-ARI053-05]
Developing efficient metal-free luminescent materials is a challenging topic because their quantum yields are usually quite low. Here, for the first time, we report a new metal-free blue-emitting melem with a high quantum yield of 56.9%. Rod-like structured melem was synthesized by treating a bulk melem with nitric acid and ethylene glycol. The quantum yield of the rod-like melem (56.9%) is about 1.6 times higher than that of the ordinary melem (35.2%) and is substantially higher than that of bulk g-C3N4 (4.8%), a well-known metal-free blue emission material. This promising blue phosphor, which is easy to synthesize, abundant on earth and contains no metal elements, has great potential for practical applications.
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