2.4. Determination of Quantum Yields

RJ Rui Jiang
NL Na Liu
FL Fan Li
WF Wensheng Fu
YZ Yun Zhou
YZ Yan Zhang
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By using Coumarine 153 as the reference (ϕ = 0.56, an acetone solution with an excitation wavelength of 418 nm), the fluorescence quantum yields of AIE dots with different mass ratios of PSMA to DSA were measured according to the following equation [41]:

where ϕ is the fluorescence quantum yield, I is integrated emission intensity, A is the absorbance at the excitation wavelength, and η is the refractive index of the solvent. The subscripts, r and s, mean reference and sample, respectively.

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