Journal
JOURNAL OF MATERIALS CHEMISTRY
Volume 22, Issue 29, Pages 14674-14681Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c2jm31959d
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Funding
- Koc University
- TUBITAK [109R031]
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Colloidally stable and highly luminescent near-IR emitting Ag2S quantum dots (NIRQDs) were prepared by a very simple aqueous method using 2-mercaptopropionic acid (2MPA) as a coating. Emission of Ag2S-2MPA NIRQDs can be tuned between 780 and 950 nm. These NIRQDs have photoluminescence quantum yields (PLQY) around 7-39% and exhibit excellent cytocompatibility even at 600 mu g mL(-1) in NIH/3T3 cells. With such improved properties, Ag2S-2MPA NIRQDs have a great potential in practical bio-applications.
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