Boron and Nitrogen Co-doped Carbon Nanoparticles as Photoluminescent Probes for Selective and Sensitive Detection of Picric Acid
Data(s) |
2015
|
---|---|
Resumo |
Here, we report the synthesis of boron and nitrogen Co-doped carbon nanoparticles (BN-CNPs) by a hydrothermal method using sucrose, boric acid, and urea as the precursors. The BN-CNPs show excellent photoluminescence with a quantum yield of similar to 14.2% in aqueous solution and can be used as photoluminescent probes for selective and sensitive detection of picric acid (PA). PA quenches the photoluminescence signal remarkably, while other explosives cause a little quenching confirming the high selectivity of BN-CNPs. The sensitivity toward PA sensing is high at pH 7 and increases with temperature. The detection limit as well as the sensitivity are shown to improve by adding NaCl to the PA. The low detection limit can be as low as 10 nM at room temperature and pH 7, which indicates the BN-CNPs are superior as compared to other luminescent probes reported in the literature. |
Formato |
application/pdf |
Identificador |
http://eprints.iisc.ernet.in/51999/1/Jou_of_Phy_Che_C_119-23_13138_2015.pdf Sadhanala, Hari Krishna and Nanda, Karuna Kar (2015) Boron and Nitrogen Co-doped Carbon Nanoparticles as Photoluminescent Probes for Selective and Sensitive Detection of Picric Acid. In: JOURNAL OF PHYSICAL CHEMISTRY C, 119 (23). pp. 13138-13143. |
Publicador |
AMER CHEMICAL SOC |
Relação |
http://dx.doi.org/10.1021/acs.jpcc.5b04140 http://eprints.iisc.ernet.in/51999/ |
Palavras-Chave | #Materials Research Centre |
Tipo |
Journal Article PeerReviewed |