Please use this identifier to cite or link to this item: https://doi.org/10.1039/c3nr34159c
Title: Aqueous synthesis of highly luminescent AgInS2-ZnS quantum dots and their biological applications
Authors: Regulacio, M.D.
Win, K.Y.
Lo, S.L.
Zhang, S.-Y.
Zhang, X.
Wang, S. 
Han, M.-Y. 
Zheng, Y.
Issue Date: 21-Mar-2013
Source: Regulacio, M.D., Win, K.Y., Lo, S.L., Zhang, S.-Y., Zhang, X., Wang, S., Han, M.-Y., Zheng, Y. (2013-03-21). Aqueous synthesis of highly luminescent AgInS2-ZnS quantum dots and their biological applications. Nanoscale 5 (6) : 2322-2327. ScholarBank@NUS Repository. https://doi.org/10.1039/c3nr34159c
Abstract: Highly emissive and air-stable AgInS2-ZnS quantum dots (ZAIS QDs) with quantum yields of up to 20% have been successfully synthesized directly in aqueous media in the presence of polyacrylic acid (PAA) and mercaptoacetic acid (MAA) as stabilizing and reactivity-controlling agents. The as-prepared water-dispersible ZAIS QDs are around 3 nm in size, possess the tetragonal chalcopyrite crystal structure, and exhibit long fluorescence lifetimes (>100 ns). In addition, these ZAIS QDs are found to exhibit excellent optical and colloidal stability in physiologically relevant pH values as well as very low cytotoxicity, which render them particularly suitable for biological applications. Their potential use in biological labelling of baculoviral vectors is demonstrated. © 2013 The Royal Society of Chemistry.
Source Title: Nanoscale
URI: http://scholarbank.nus.edu.sg/handle/10635/87713
ISSN: 20403364
DOI: 10.1039/c3nr34159c
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