2D materials, synthesis, characterization and toxicity: A critical review

Naikoo, Gowhar A., Arshad, Fareeha, Almas, Muniba, Hassan, Israr U., Pedram, Mona Z., Aljabali, Alaa A.A., Mishra, Vijay, Serrano-Aroca, Ángel, Birkett, Martin, Charbe, Nitin B., Goyal, Rohit, Negi, Poonam, El-Tanani, Mohamed and Tambuwala, Murtaza M. (2022) 2D materials, synthesis, characterization and toxicity: A critical review. Chemico-Biological Interactions, 365. p. 110081. ISSN 0009-2797

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Abstract

Nanotechnology is an arena of exploration and innovation concerned with building things generally, advancing resources and devices based on highly specific and superior nanomaterials with unmatched properties dependent on their morphology and diameter. 2D materials such as graphene have unique properties and applications varying from imaging, delivery of drugs, and theranostics of diseases. Each 2D material, ranging from the graphene family, MXenes, chalcogenides, and 2D oxides, have a unique potential based on their shape and morphology. In addition, 2D materials have intriguing physiochemical characteristics, increased aspect ratio and associated increased reactivity that make them an ideal contender in multiple applications. This review aims to answer the existing knowledge gaps in various 2D materials having interdisciplinary roles. We have presented a brief overview of the 2D materials, followed by their synthesis methods and techniques. We have also highlighted the different characterization methods used to characterise various 2D materials. Next, we performed an in-depth analysis of the potential toxicities of 2D materials to assess their risks in multiple applications. Lastly, we conclude our review by presenting the challenges and future perspectives of 2D materials as promising forerunners of science and technology.

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