Starch (Tapioca) to carbon dots: an efficient green approach to an on-off-on photoluminescence probe for fluoride ion sensing

被引:74
作者
Basu, Aniruddha [1 ]
Suryawanshi, Anil [1 ]
Kumawat, Begraj [2 ]
Dandia, Anshu [2 ]
Guin, Debanjan [2 ]
Ogale, Satishchandra B. [1 ]
机构
[1] CSIR, Natl Chem Lab, Pune 411008, Maharashtra, India
[2] Univ Rajasthan, Dept Chem, Jaipur 302004, Rajasthan, India
关键词
GRAPHENE QUANTUM DOTS; NANODOTS; SENSOR; ACID; NANOPARTICLES; LUMINESCENCE;
D O I
10.1039/c4an02340d
中图分类号
O65 [分析化学];
学科分类号
070302 ; 081704 ;
摘要
Photoluminescent carbon dots of 4-5 nm size were prepared from starch (Tapioca Sago) through a solution method under mild conditions. The as-prepared carbon dots were used as photoluminescence probes for highly anion selective fluoride ion detection in aqueous solutions. A ready-to-use device is also demonstrated.
引用
收藏
页码:1837 / 1841
页数:5
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