Efficient Red/Near-Infrared-Emissive Carbon Nanodots with Multiphoton Excited Upconversion Fluorescence

Kai-Kai Liu1, Shi-Yu Song1, Lai-Zhi Sui2

  • 1Henan Key Laboratory of Diamond Optoelectronic Materials and Devices Key Laboratory of Material Physics Ministry of Education School of Physics and Engineering Zhengzhou University Zhengzhou 450052 P. R. China.

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