Surface-mounted carbon quantum dots onto photonic crystals generating dual structural-fluorescent color rendering

Wenyang Bian; Sijia Wang; Ruitao Zhou; Zhimin Ye; Wenjun Yuan; Hengyang Xiang; Aming Xie; Juan Liu; Haibo Zeng; Weijin Li

doi:10.1039/D4CC05618C

Surface-mounted carbon quantum dots onto photonic crystals generating dual structural-fluorescent color rendering†

Wenyang Bian,‡^a Sijia Wang,‡^a Ruitao Zhou,^a Zhimin Ye,^c Wenjun Yuan,^a Hengyang Xiang,^a Aming Xie,

^b Juan Liu,*^d Haibo Zeng

*^a and Weijin Li

*^a

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* Corresponding authors

^a MIT 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
E-mail: wjli@njust.edu.cn

^b School of Mechanical Engineering, Nanjing University of Science & Technology, Nanjing 210094, China

^c Xiamen Institute of Materials, Xiamen 361116, China

^d School of Chemistry and Life Sciences, Nanjing University of Posts and Telecommunications, Nanjing 210003, China

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.

This article is part of the themed collections: ChemComm 60th Anniversary Collection and Chemical Communications HOT Articles 2024

Chemical Communications

Surface-mounted carbon quantum dots onto photonic crystals generating dual structural-fluorescent color rendering†

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Surface-mounted carbon quantum dots onto photonic crystals generating dual structural-fluorescent color rendering

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