Published January 1, 2012
| Version v1
Journal article
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Development of highly luminescent and cytocompatible near-IR-emitting aqueous Ag2S quantum dots
Creators
- 1. Koc Univ, Grad Sch Mat Sci & Engn, TR-34450 Istanbul, Turkey
- 2. Teknofil Inc, TR-34450 Istanbul, Turkey
Description
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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