Benzo[ghi]perylene & coronene as ratiometric reversible optical oxygen nano-sensors
| Autor: | Ejaz Hussain, Niu Niu, Huipeng Zhou, Jianfei Kong, Cong Yu, Xing Jin, Cheng Cheng, Yongxin Li |
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| Rok vydání: | 2019 |
| Předmět: |
Materials science
chemistry.chemical_element 02 engineering and technology 010402 general chemistry Excimer Photochemistry 01 natural sciences Oxygen chemistry.chemical_compound Materials Chemistry Electrical and Electronic Engineering Instrumentation Metals and Alloys 021001 nanoscience & nanotechnology Condensed Matter Physics Coronene 0104 chemical sciences Surfaces Coatings and Films Electronic Optical and Magnetic Materials chemistry Luminophore Benzo(ghi)perylene Limiting oxygen concentration 0210 nano-technology Oxygen sensor Perylene |
| Zdroj: | Sensors and Actuators B: Chemical. 287:27-34 |
| ISSN: | 0925-4005 |
| Popis: | The development of novel single molecular probe based optical ratiometric oxygen sensor with simple fabrication, high sensitivity, and linear response is highly desirable. Herein, benzo[ghi]perylene (BzP) and coronene (Cron) were explored as dual-emissive ratiometric oxygen nano-sensors that displayed linear plots at a low probe concentration (6 μM). The sensor fabrication was simple, and the probes exhibited efficient fluorescence quenching of monomer emission by molecular oxygen. However, the excimer emission of probe remained unaffected. Thus a ratiometric method is developed based on the dual emitting luminophore. The method can be used to estimate dissolved oxygen in liquids and 5–100% of oxygen concentration in gaseous mixtures. |
| Databáze: | OpenAIRE |
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