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Paper published in Advanced Optical Materials by Jie Wang et al.

Date released: 2014-11-01

Title:Large-Scale Green Synthesis of Fluorescent Carbon Nanodots and Their Use in Optics Applications

Authors: Jie Wang, Fei Peng, Yimei Lu, Yiling Zhong, Siyi Wang, Meifeng Xu, Xiaoyuan Ji, Yuanyuan Su, Liangsheng Liao and Yao He*

Institute of Functional Nano and Soft Materials (FUNSOM) and Devices Collaborative Innovation Center of Suzhou Nano Science and Technology, Soochow University, Suzhou, Jiangsu 215123, China

Abstract:one-pot large-scale preparation of carbon nanodots (C-dots) is demonstrated. The C-dots have a series of excellent optical features such as strong fluorescence and excitation-wavelength-dependent photoluminescence properties. Notably, C-dots can be rapidly and facilely achieved on a large scale (e.g., 0.3 g C-dots/25 min) by using cheap, accessible, and natural materials (e.g., milk, honey, silk, hair, lemon, and magnolia) as the green carbonaceous precursor. The as-prepared C-dots, which are shown to serve as high-performance fluorescent stains, are superbly suitable for a variety of optics-related applications, including in vitro and in vivo bioimaging, printing inks, and sensors. Eventually, this kind of microwave-assisted strategy could serve as a powerful tool for synthesizing large-scale C-dots with strong fluorescence, holding great promise for myriad optics-related applications.



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