Exploring the Remarkable Gas Sensing Capability of Molybdenum Diselenide Nanoparticles

Gas sensing is pivotal in numerous applications, from environmental monitoring to healthcare and industrial safety. Molybdenum Diselenide (MoSe2) nanoparticles have emerged as promising gas sensing materials due to their exceptional sensitivity and selectivity. This mini-review elucidates MoSe2's gas sensing mechanism, encompassing surface adsorption and charge transfer processes, while highlighting the roles of defects and functionalization in enhancing sensing performance. Notably, MoSe2-based sensors excel in sensitivity and selectivity for various gases. A compilation of key findings from several research studies emphasizes their impressive gas sensing capabilities. MoSe2-based sensors operate efficiently at room temperature, outperforming traditional materials in terms of energy efficiency and sensitivity. Current applications span environmental monitoring, healthcare, and industrial safety, with future prospects centered on improving sensitivity, selectivity, and integration with emerging technologies such as wearables and the IoT. Although challenges exist, ongoing research endeavours aim to maximize MoSe2's potential for revolutionizing gas sensing applications.