آشکارسازی 2، 4، 6- ‌تری نیترو‌تولوئن با استفاده از نقاط ‌کوانتومی کادمیم‌- تلوراید اصلاح ‌شده

The rapid and simple detection of 2,4,6-trinitrotoluene (TNT) as a high consumption explosive from nitroaromatic family, because identification of anti-terrorist sabotage and terrorism, always has been of high importance..Nowadays, methods for explosive compounds detection have been developed by using quantum dots (QDs). Quantum dots are nanoparticles of a new generation of nanotechnology that due to the unique characteristics of the optical properties such as fluorescence intensity up to a certain position in the production of sensors have found. In this paper, for the first time, Water soluble thioglycolic acid-capped Cadmium Tellurium quantum dots were synthesized and its quenching behavior were investigated in the presence of TNT. under optimum conditions and according to Stern – Volmer equation, the quenching constants for this quantum dots with TNT were obtained 1293 M-1. Due to the high value of quenching constants, The quantum dots can be used as a sensor with high sensitivity in the detection of explosives..