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
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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.
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