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Metal oxide gas sensors have long faced the challenge of low response and poor selectivity, especially at room temperature (RT). Herein, a synergistic effect of electron scattering and space charge transfer is proposed to comprehensively improve gas sensing performance of n‐type metal oxides toward oxidizing NO2 (electron acceptor) at RT. To this end, the porous SnO2 nanoparticles (NPs) assembled...
NO2 Sensors
In article number 2303631, Wen Zeng, Zaihua Duan, Huiling Tai, and co‐workers propose an enhanced gas sensing strategy based on the synergistic effect of electron scattering and space charge transfer, and verify it by designing porous SnO2 nanoparticles assembled from ultra‐small grains, achieving unprecedented NO2 gas sensing performance at room temperature. This work provides an innovative...
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