Synthesis of Bis-tetraphenylethene as a Novel Turn-On Selective Zinc Sensor
Abdullah Saleh Hussein, Ferruh Lafzi, Haydar Kilic, Sinan Bayındır
Abstract
High Resolution Image Download MS PowerPoint Slide The main purpose of this study is the synthesis of novel fluorescent Bis-TPE and the investigation of its wide range of photochemical behaviors. For this purpose, initially, Bis-TPE was synthesized. Following this, the interactions of Bis-TPE with a wide range of ions were studied in EtOH using ultraviolet–visible (UV–vis) and fluorescence spectroscopy. As a result of all UV–vis and fluorescence studies, it was determined that Bis-TPE showed turn-on sensor features against Zn 2+ ions. Moreover, the limit of detection (LOD) and K a values of Bis-TPE/Zn 2+ were calculated as 0.97 μM (970 nM) and 3.76 × 10 5 M –1, respectively. Moreover, all reversal studies resulted in switchable on/off variation of the alternative addition of ZnCl 2 and [Bu 4 N]OH to Bis-TPE . This result also implies that the probe Bis-TPE also exhibits specific OH – sensor properties in the presence of zinc.