Sensitivity to Heavy-Metal Ions of Cage-Opening Fullerene Quantum Dots

Proceedings

Ciotta, Erica¹ 

关键词: heavy metal sensing;    photoluminescence;    absorption;   

DOI  :  10.3390/proceedings1040475

学科分类：社会科学、人文和艺术（综合）

来源: mdpi

【 摘 要 】

In this study, we have carried out a characterization of the quenching effect produced by some commonly encountered metal ions (Co2+, Cu2+, Ni2+, Pb2+, Cd2+, As5+) on the photoluminescence of water suspensions of open-cage fullerene quantum dots prepared with a modified Hummers method. The response to heavy-metal ions occurs through a selective quenching of the PL emission and modifications of the absorption spectrum.

【 授权许可】

CC BY