Journal
NANOSCALE
Volume 9, Issue 12, Pages 4128-4134Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c7nr00073a
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Funding
- National Natural Science Foundation of China [21210002, 21431007, 21533008, 21403209, 21601175]
- Jilin Province Science and Technology Development Plan Project [20140101039JC]
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Gold nanoclusters (AuNCs), which have stable luminescence and negligible biotoxicity, are a promising candidate in biological fields. However, their low photoluminescence (PL) efficiency is unsatisfactory. Herein, aggregated gold nanoclusters (aAuNCs) were confined in a metal-organic framework (MOF) to maintain their aggregation, restrict the rotation of their ligands, and further improve their quantum yield (QY) to 7.74%. The aAuNCs-MOF exhibited high luminescence and good biocompatibility. More importantly, in addition to its pH-dependent luminescence and external porosity, the complex was applied for the first time in real-time monitoring of drug release.
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