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Ultrasensitive Fe3+ ion detection based on carbon quantum dot-functionalized solution-gated graphene transistors

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Abstract

An ultrasensitive real-time Fe3+ ion sensor based on carbon quantum dot (CQD)-functionalized solution-gated graphene transistors (SGGTs) is designed. Special functional groups are designed to modify the surface of CQDs, which endows the device with ultra-high sensitivity and excellent selectivity. More importantly, the components of the sensor except the gate electrode can be used repeatedly.

Graphical abstract: Ultrasensitive Fe3+ ion detection based on carbon quantum dot-functionalized solution-gated graphene transistors

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Article information


Submitted
07 Feb 2020
Accepted
10 Mar 2020
First published
10 Mar 2020

J. Mater. Chem. C, 2020, Advance Article
Article type
Communication

Ultrasensitive Fe3+ ion detection based on carbon quantum dot-functionalized solution-gated graphene transistors

Q. Fan, J. Li, J. Wang, Z. Yang, T. Shen, Y. Guo, L. Wang, M. S. Irshad, T. Mei and X. Wang, J. Mater. Chem. C, 2020, Advance Article , DOI: 10.1039/D0TC00635A

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