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NO2 Sensing
In article number 2108959, Fangmeng Liu, Geyu Lu, and co‐workers reveal that Ti atom defects enhance the NO2 sensing properties of oxidized Ti3C2Tx due to the stronger adsorption ability towards NO2, and design Ti3C2Tx/TiO2/rGO crumpled sphere heterostructures to further improve the sensitivity and selectivity of NO2. This work provides a new strategy for enhancing the sensing performance...
At present, the main gas‐sensing mechanism of oxidized MXene (Ti3C2Tx) is commonly regarded as Schottky barrier modulation, but the influence of surface defects generated by oxidation is ignored and ambiguous. Herein, oxidized Ti3C2Tx crumpled spheres (MS) are obtained, accompanying numerous surface defects through thermal oxidation of MS synthesized by ultrasonic spray pyrolysis technology and gas‐sensing...
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