Self‐Powered,Room‐Temperature Electronic Nose Based on Triboelectrification and Heterogeneous Catalytic Reaction |
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| Authors: | Ji‐Hyun Kim Jinsung Chun Jin Woong Kim Won Jun Choi Jeong Min Baik |
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| Affiliation: | 1. Department of Materials Science Engineering, KIST‐UNIST‐Ulsan Center for Convergent Materials, Ulsan National Institute of Science and Technology (UNIST), Ulsan, Republic of Korea;2. Electronic Materials Research Center, Korea Institute of Science and Technology (KIST), Seongbuk‐gu, Seoul, Republic of Korea |
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| Abstract: | Herein, a self‐powered electronic nose strategy with highly selective gas detection is described. The electronic nose is a two‐dimensional microarray based on the triboelectrification between ZnO nanowires and the dielectric layers, and the heterogeneous catalytic reaction occurring on the nanowires and on the NiO nanoparticles. These electronic noses show the ability to distinguish between four volatile organic compound (VOC) gases (methanol, ethanol, acetone, and toluene) with a detection limit of 0.1% at room temperature using no external power source. |
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| Keywords: | sensors heterogeneous reactions triboelectric nanogenerators |
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