Tuesday, October 8, 2019
Fluorescent Conjugated Polymers for Detection of Explosives
Department of Chemistry
College of Arts & Sciences
Where: HL 1144 - 4:00 pm
When: Tuesday, October 8th, 2019
Fast and sensitive detection of explosives is critical to ensuring global security. Fluorescent conjugated polymers (CPs) have received tremendous attention as a sensory material for super-sensitive or ultra-sensitive explosives detection, thanks to their ability to amplify the fluorescence quenching through “molecular wire” effect. Compared to a single molecule system, binding one receptor site of CPs results in an efficient quenching of all emitting units, which is referred to as super-quenching. In recent years, tremendous efforts have been dedicated to fabrication and modification of different types of CPs for detection of explosives in vapor and solution phases. This seminar will start with introduction of sensing mechanisms of fluorescent CPs, and then cover the strategies to enhance sensing performances of CPs through enhancing electron transfer driving force, strengthening CP-explosive interaction, facilitating analyte diffusion and increasing CP solubility.
Click here to view more Seminars