Journal
NANOSCALE RESEARCH LETTERS
Volume 10, Issue -, Pages -Publisher
SPRINGEROPEN
DOI: 10.1186/s11671-015-1012-2
Keywords
Water-soluble; Quasi-blue emission; Silicon quantum dots
Funding
- 973 Program-the National Basic Research Program of China Special Funds for the Chief Young Scientist [2015CB358600]
- Excellent Young Scholar Fund from National Natural Science Foundation of China [21422103]
- Jiangsu Fund for Distinguished Young Scientist [BK20140010]
- Priority Academic Program Development of Jiangsu Higher Education Institutions (PAPD)
- Jiangsu Scientific and Technological Innovation Team
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In this study, water-soluble silicon quantum dots have quasi-blue emission at 390 nm by being capped with 1-vinylimidazole in resese micelles. As-obtained silicon quantum dots have a diameter of 2 similar to 5 nm and high crystallinity. The quasi-blue emission of the silicon quantum dots is likely attributed to the polarity of the capping ligands. Moreover, the silicon quantum dots are water-soluble and have photoluminescence nanosecond decay time, suggesting their potential application in biological field.
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