Abstract
Abstract Exposure to toxic gases resulting from rapid industrialization poses significant health risks living organisms including human. Consequently, researchers in this modern scientific era have shown keen interest in the selective detection of these toxic gases. The development of fast, economical, selective, and highly sensitive gas sensors has become a crucial pursuit to accurately detect toxic gases and mitigate their adverse effects on the natural environment. Graphene-based nanocomposites have emerged as promising candidates for selectively detecting toxic gases due to their extensive surface area. This review paper provides a comprehensive summary of recent advancements in graphene-based gas sensors. The paper also offers an overview of various synthetic strategies for graphene and its hybrid architectures. Additionally, it delves into the detailed sensing applications of these materials. Challenges and limitations in this field have been critically evaluated and highlighted, along with potential future solutions.
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