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Synergistic effect of cubic C3N4/ZnO/C hybrid composite for selective detection of sulfur dioxide

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摘要

随着工业社会的发展, SO2气体的排放量急剧增加。由于对环境和人体健康存在严重危害, 对SO2的检测和捕获, 特别是开发对SO2具有良好选择性和耐久性的气敏材料至关重要。在本文的研究工作中, 我们通过对三聚氰胺甲醛树脂微球 (MFM) 和IRMOF-3的复合材料进行退火, 制备了一种 C3N4/ZnO/C 杂化材料 (MFM@IRMOF-3-T) 并实现对SO2的监测。相较于IRMOF-3退火后对SO2气体无任何响应, MFM@IRMOF-3-T在250 ℃下对SO2表现出高选择性, 稳定性和重复性的响应信号。高效的SO2气敏性能可归因于MFM的引入, MFM向C3N4的转化以及MFM中的N元素和IRMOF-3中的Zn元素的成键, 这些因素影响了MFM@IRMOF-3-T的电子转移方向, 从而提高了电导率并降低电阻。该气敏材料的开发推动了MOF基衍生物在SO2监测领域的潜在应用。

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Acknowledgements

This study was financially supported by the Natural Science Foundation of Hainan Province (No. 220MS005), Hainan Province Science and Technology Special Fund (No. ZDYF2022SHFZ090), National Natural Science Foundation of China (No. 21761010), Hainan University Start-Up Fund (Nos. KYQD(ZR)1932 and KYQD(ZR)1910) the Opening Project of Key Laboratory of Polyoxometalate and Reticular Material Chemistry of Ministry of Education, Northeast Normal University.

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Miao, XJ., Zhao, XJ., Qin, H. et al. Synergistic effect of cubic C3N4/ZnO/C hybrid composite for selective detection of sulfur dioxide. Rare Met. 41, 3662–3670 (2022). https://doi.org/10.1007/s12598-022-02064-4

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