Abstract
A novel organic receptor based on isocyanate ions was developed and converted into its organic nanoparticles. The organic nanoparticles (ONPs) developed were of size 15–20 nm characterized via DLS and TEM. A recognition study was carried out to examine the response of ONPs towards different TBA salts of anions. Electrochemical studies were performed and from CV and DPV plots it was observed that among all the tested anions, ClO4- ions showed selective response. To confirm the selectivity, titration studies were carried out and a calibration curve was drawn which depicts the high sensitivity of ONPs towards ClO4- ions and 3 sigma method was utilized for calculating the detection limit and was obtained to be 7.9 nM. The real time applications of the synthesized sensor were explored and the accuracy of the analysis was found to be greater than 95%.
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