Luminescent Probe Based on Terbium-Carbon Quantum Dots for the Quantification of Imidacloprid in Caneberries

Figure 2

(a) Time-resolved luminescence curves of (A) Tb (III), (B) Tb (III)-CQDs, and (C) Tb (III)-CQDs-IMID solutions collected with a gate time of 5 μs at excitation/emission wavelengths of 256/545 nm/nm. (b) Emission spectra of (A) Tb (III), (B) Tb (III)-CQDs, and (C) Tb (III)-CQDs-IMID solutions at an excitation wavelength of 256 nm.

(a)

(b)