A highly sensitive ratiometric fluorescent sensor for copper ions and cadmium ions in scallops based on nitrogen doped graphene quantum dots cooperating with gold nanoclusters

2022 ◽  
Vol 369 ◽  
pp. 130964
Author(s):  
Xue Gao ◽  
Zhiying Ma ◽  
Minjun Sun ◽  
Xiuying Liu ◽  
Keli Zhong ◽  
...  
Keyword(s):  
Quantum Dots ◽  
Copper Ions ◽  
Fluorescent Sensor ◽  
Graphene Quantum Dots ◽  
Gold Nanoclusters ◽  
Cadmium Ions ◽  
Nitrogen Doped ◽  
Highly Sensitive ◽  
Nitrogen Doped Graphene ◽  
Doped Graphene

Nanomolar Level Detection of Metal Ions by Improving the Monodispersity and Stability of Nitrogen-Doped Graphene Quantum Dots

2021 ◽  
Author(s):  
Neeraj Sohal ◽  
Simran Kaur Bhatia ◽  
Soumen Basu ◽  
Banibrata Maity
Keyword(s):  
Quantum Dots ◽  
Metal Ions ◽  
Fluorescent Sensor ◽  
Graphene Quantum Dots ◽  
Intrinsic Properties ◽  
Heteroatom Doping ◽  
Nitrogen Doped ◽  
Nitrogen Doped Graphene ◽  
Doped Graphene

Heteroatom doping of graphene quantum dots (GQDs) leads to modify their intrinsic properties and used as a fluorescent sensor for the metal ions sensing. Here, Nitrogen-doped GQDs (N-GQDs) was synthesized...

A green synthesis of highly fluorescent nitrogen-doped graphene quantum dots for the highly sensitive and selective detection of mercury(ii) ions and biothiols

2016 ◽  
Vol 8 (7) ◽  
pp. 1565-1571 ◽  
Author(s):  
Zhengyu Yan ◽  
Xincheng Qu ◽  
Qianqian Niu ◽  
Chunqing Tian ◽  
Chuanjian Fan ◽  
...  
Keyword(s):  
Quantum Dots ◽  
Green Synthesis ◽  
Graphene Quantum Dots ◽  
Selective Detection ◽  
Nitrogen Doped ◽  
Highly Sensitive ◽  
Nitrogen Doped Graphene ◽  
Doped Graphene

A green synthesis of nitrogen-doped GQDs for the detection of mercury(ii) ions and biothiols.

Radical sensitivity and selectivity in the electrochemical sensing of cadmium ions in water by polyaniline-derived nitrogen-doped graphene quantum dots

2021 ◽  
Vol 45 (1) ◽  
pp. 110-122
Author(s):  
S. Saisree ◽  
R. Aswathi ◽  
J. S. Arya Nair ◽  
K. Y. Sandhya
Keyword(s):  
Quantum Dots ◽  
Heavy Metal Ions ◽  
Graphene Quantum Dots ◽  
Electrochemical Sensing ◽  
Cadmium Ions ◽  
Nitrogen Doped ◽  
Sensitivity And Selectivity ◽  
Nitrogen Doped Graphene ◽  
Doped Graphene ◽  
First Time

In the present work, the sensing capability of nitrogen-doped graphene quantum dots (N-GQDs) was explored for the first time toward hazardous heavy metal ions and they were found to be able to selectively detect cadmium ions (Cd(ii)).

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