Preparation and Characterization of Aggregation-induced Dual Emission Solid Red Carbon Dots

Zhehao YONG; Wenjie SUN; Shouwang KANG; Xinyue ZHU; Min WANG; Congrui KANG; Liu DING

doi:10.3788/gzxb20245307.0753312

Acta Photonica Sinica, Volume. 53, Issue 7, 0753312(2024)

Preparation and Characterization of Aggregation-induced Dual Emission Solid Red Carbon Dots

Zhehao YONG¹, Wenjie SUN¹, Shouwang KANG¹, Xinyue ZHU¹, Min WANG¹, Congrui KANG¹, and Liu DING^1,2、*

Author Affiliations

¹School of Material Science and Engineering，Shaanxi University of Technology，Hanzhong 723001，China

²School of Materials and Chemical Engineering，Xian Technological University，Xi'an 710021，China

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Figures & Tables(6)

Fig. 1. The schematic diagram and physical diagram of FD-CDs preparation

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Fig. 2. Structure characterization of FD-CDs

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Fig. 3. Optical properties characterization of FD-CDs

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$PL emission spectra of FD-CDs solution at different excitation wavelengths under different volume fractions of water$

Fig. 4. PL emission spectra of FD-CDs solution at different excitation wavelengths under different volume fractions of water

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Fig. 5. Illustration of FD-CDs in related applications.

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Table 1. QY， τ， K_r， K_nr of FD-CDs solution and powder excited by 560 nm
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Table 1. QY， τ， K_r， K_nr of FD-CDs solution and powder excited by 560 nm
Sample τ₁/ns τ₂/ns τ_avg/ns QY K_r/ns^-1 K_nr/ns^-1 K_r/K_nr
FD-CDs solution 2.05 7.30 4.18 17.68% 0.023 0.197 0.117
FD-CDs powder 4.08 8.43 5.79 41.01% 0.071 0.102 0.696

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Zhehao YONG, Wenjie SUN, Shouwang KANG, Xinyue ZHU, Min WANG, Congrui KANG, Liu DING. Preparation and Characterization of Aggregation-induced Dual Emission Solid Red Carbon Dots[J]. Acta Photonica Sinica, 2024, 53(7): 0753312

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