A fluorescent color/intensity changed fluoranthene derivative chemosensor for Fe³⁺ has been prepared and confirmed by ¹H-NMR, ¹³C-NMR, HRMS, and crystal data, which displays a high selectivity and antidisturbance for Fe³⁺ among environmentally and biologically relevant metal ions. Fluorescence studies show that fluorescent emission peak blue shifts about 100 nm with fluorescent intensity enhancing 75-fold, indicating a Fe³⁺-selective dual-emission behavior. Further study demonstrates the detection limit on fluorescence response of the sensor to Fe³⁺ is down to 10⁻⁷ M range. The fluorescence signals of chemosensor can be restored with o-phenanthroline, showing the binding of chemosensor and Fe³⁺ is really chemically reversible.

制备了用于Fe ³⁺的荧光颜色/强度变化的荧蒽衍生物化学传感器，并通过¹ H-NMR，¹³ C-NMR，HRMS和晶体数据进行了证实，在环境和生物学方面显示出对Fe ³⁺的高选择性和抗干扰性。有关的金属离子。荧光研究表明，荧光发射峰蓝移约100 nm，荧光强度增强75倍，表明Fe ^3+-选择性双发射行为。进一步的研究表明，传感器对Fe ^3+的荧光响应的检测极限低至10 ^-7  M范围。化学传感器的荧光信号可以通过o恢复-菲咯啉，表明化学传感器与Fe ³⁺的结合在化学上是可逆的。