A fluorescent probe based on nitrogen doped graphene quantum dots for turn off sensing of explosive and detrimental water pollutant, TNP in aqueous medium
作者： Manjot Kaur , Surinder K Mehta , Sushil Kumar Kansal , None
DOI: 10.1016/J.SAA.2017.02.035
关键词: Chemistry 、 Explosive material 、 Fluorescence 、 Carbonization 、 Photochemistry 、 Förster resonance energy transfer 、 Quenching (fluorescence) 、 Fabrication 、 Detection limit 、 Analytical chemistry 、 Quantum dot
摘要: Abstract This paper reports the carbonization assisted green approach for fabrication of nitrogen doped graphene quantum dots (N-GQDs). The obtained N-GQDs displayed good water dispersibility and stability in wide pH range. as synthesized were used a fluorescent probe sensing explosive 2,4,6-trinitrophenol (TNP) aqueous medium based on fluorescence resonance energy transfer (FRET), molecular interactions charge mechanism. quenching efficiency was found to be linear proportion TNP concentration within range 0–16 μM with detection limit (LOD) 0.92 μM. presented method successfully applied tap lake samples satisfactory results. Thus, selective, sensitive turn off sensor perilous contaminant i.e. TNP.
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