Graphene Modified Electrochemical Sensors for Toxic Chemicals
T. Ramya, L. Vidhya, S. Vinodha, D. Anuradha, S. Sivanesan
Electrochemical sensing is a broad analytical field related to the generation of useful analytical information through electroactive species with a conductive surface or a functional group. Electrochemical sensors have several advantages such as cost effectiveness, high sensitivity and selectivity, applicability to a vast range of chemicals, ease of handling, functionalization and rich nature. Two key units are present in a chemical sensor, one is a receptor and another one is a transducer. An electrochemical sensor generally consists of three electrodes, namely working electrode, reference electrode and counter electrode which are associated with a potentiostat /galvanostat. The working electrode acts as receptor and is a component of the transducer as well. Electrochemical sensing is a predicting analytical area and it is known for its importance in various fields such as energy, pharmaceutical industry, environment and food. Chemical sensor leaves the analytical information about a particular quantity of certain chemical species in the surrounding environment. In this chapter we mainly focus on graphene modified electrochemical sensors for toxic chemical sensing. Also, we have focused on the graphene modified electrochemical sensors for the electrochemical detection of toxic chemicals. Graphene modified electrochemical sensors are selected based on their superior nature as compared with other sensors and also these sensors support sensing of very toxic chemical pollutants.
Keywords
Nitroaromatics, Cadmium, Bisphenol A, Organoposphate, Nanomaterials
Published online 8/30/2020, 24 pages
Citation: T. Ramya, L. Vidhya, S. Vinodha, D. Anuradha, S. Sivanesan, Graphene Modified Electrochemical Sensors for Toxic Chemicals, Materials Research Foundations, Vol. 82, pp 1-24, 2020
DOI: https://doi.org/10.21741/9781644900956-1
Part of the book on Graphene-Based Electrochemical Sensors for Toxic Chemicals
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