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One-pot synthesis of boron and nitrogen co-doped carbon
dots as a photoluminescent label-free probe for Cr(VI) and
dopamine
Tian Tian,[b] Yu He,*[a,b] Yili Ge, [a,b] Gongwu Song*[a,b]
a. Hubei Collaborative Innovation Center for Advanced Organic Chemical Materials, Wuhan 430062, Hubei University, Wuhan 430062, China.b. Ministry-of-Education Key Laboratory for the Synthesis and Application of Organic Functional Molecules, College of Chemistry and Chemical Engineering, Hubei University, Wuhan 430062, China.Dr. Yu He, Telephone number: 862788662747,Email: [email protected]. Song, Telephone number: 862788662747, Email: [email protected]
Fig. S1 The influence of different synthesis parameters (a) the amount of NaOH (0~0.08 mM), (b) reaction temperature (120~200 ℃), (c) reaction time (1~8 h) on the fluorescence intensity of N/B-CDs.
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Fig. S2 Fluorescence excitation and emission spectra of N/B-CDs.
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Fig. S3 The stability of N/B-CDs at pH ranges from 2 to 12.
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Fig. S4 The stability of N/B-CDs under irradiation by ultraviolet light.
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Fig. S5 The stability of N/B-CDs under long-term storage at ambient conditions.
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Fig. S6 The fluorescence intensity of N/B-CDs in KCl solution with different concentration.
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Fig. S7 a) Fluorescence responses of N/B-CDs at different pH solutions (10mM PBS); b) Kinetic performance of N/B-CDs with Cr(VI).
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