Recent advances in electrochemical biosensor and gas sensors based on graphene and carbon nanotubes (CNT) - A review 

Gounder Thangamani J.1, Kalim Deshmukh2, Kishor Kumar Sadasivuni3,  K. Chidambaram1, M. Basheer Ahamed2, Deepalekshmi Ponnamma4,  Mariam Al-Ali AlMaadeed4, S. K. Khadheer Pasha1*

1Department of Physics, School of Advanced Sciences, VIT University, Vellore - 632014, TN, India

2Department of Physics, B. S. Abdur Rahman University, Chennai - 600048, TN, India

3Mechanical and Industrial Engineering Department, Qatar University, P. O. Box 2713, Doha, Qatar

4Centre for Advanced Materials, Qatar University, P. O. Box 2713, Doha, Qatar

Adv. Mater. Lett., 2017, 8 (3), pp 196-205

DOI: 10.5185/amlett.2017.7042

Publication Date (Web): Jan 28, 2017

E-mail: khadheerbasha@gmail.com

Abstract


Graphene and carbon nanotubes (CNTs) based sensors have been extensively studied because of their applications in the detection of various chemicals and biomolecules. From an application point of view, high sensitivity and selectivity is a promising tool for fast detection of gas leakage and early diagnosis of diseases for health care. In the present review article, we provide a comprehensive overview on the recent advances in the development of graphene and CNT based electrochemical biosensors and gas sensors. From the future point of view, special attention is paid to the synthesis techniques for high-performance biosensors and gas sensors. This article focuses on detecting mechanism for various volatile organic compounds (VOCs) gas sensing behavior of the graphene and CNT based sensors. A comparative study of the sensing behavior of pure metal oxide nanoparticles as well as their hybrids with graphene and CNTs has been reported.

Keywords

Graphene, carbon nanotubes (CNT), electrochemical biosensor, gas sensor.

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