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Updated: Jun 6, 2025

Compact Quantum Dots for Single-molecule Imaging
Published on: October 9, 2012
Surface-mounted carbon quantum dots onto photonic crystals generating dual structural-fluorescent color rendering
Wenyang Bian1, Sijia Wang1, Ruitao Zhou1
1MIT Key Laboratory of Advanced Display Materials and Devices, Institute of Optoelectronics & Nanomaterials, School of Materials Science and Engineering, Nanjing University of Science and Technology, Nanjing 210094, Jiangsu, China. wjli@njust.edu.cn.
Abstract:
By using citric acid (CA) as the carbon source and hyperbranched polyethyleneimine (PEI) as the surface passivation agent, we successfully synthesized carbon quantum dots (CQDs) with outstanding fluorescence even in their aggregated state. Further mounting them onto the surface of ZIF-8/TiO2 one-dimensional photonic crystals (PCs), we can realize composite films to demonstrate dual structural-fluorescent color rendering.
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