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首页> 外文期刊>RSC Advances >Enhanced gas sensing performance of perovskite YFe(1-x)Mn(x)O(3)by doping manganese ions
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Enhanced gas sensing performance of perovskite YFe(1-x)Mn(x)O(3)by doping manganese ions

机译：通过掺杂锰离子增强钙钛矿YFE（1-x）Mn（x）O（3）的气体感测性能

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Perovskite YFe(1-x)Mn(x)O(3)with a hierarchical structure were prepared by a simple hydrothermal method and used as gas sensing materials. The structure, morphology and composition of YFe(1-x)Mn(x)O(3)were investigated using X-ray diffraction, transmission electron microscopy, scanning electron microscopy and X-ray photoelectron spectroscopy. The gas sensing test showed that all YFe(1-x)Mn(x)O(3)perovskites with different Mn doping concentrations displayed fast response and recovery characteristics to multiple analytes as well as good stability and recoverability. With the increase of Mn doping concentration, the response of YFe(1-x)Mn(x)O(3)to four kinds of target atmospheres first increases, then decreases. The sensing performance of YFe(1-x)Mn(x)O(3)is best whenx= 0.05. Compared with pure YFeO3, the responses of YFe(0.95)Mn(0.05)O(3)to 1000 ppm of CH2O, C2H6O, H(2)O(2)and 100% relative humidity were increased by 835%, 1462%, 812% and 801%, respectively. The theoretical detection limit of YFe(0.95)Mn(0.05)O(3)for H(2)O(2)and CH2O is 1.75 and 2.55 ppb, respectively. Furthermore, the possibility of buildings a sensor array based on YFe(1-x)Mn(x)O(3)with different doping concentrations was evaluated by principal component analysis and radar chart analysis. It is feasible to realize the visual and discriminative detection of the target analyte by constructing sensor arrays through radar chart analysis and database construction.
机译：通过简单的水热法制备具有层次结构的钙钛矿YFE（1-x）Mn（x）o（3）并用作气体传感材料。使用X射线衍射，透射电子显微镜，扫描电子显微镜和X射线光电子光谱研究YFE（1-X）Mn（X）o（3）的结构，形态和组成。气体传感试验表明，具有不同Mn掺杂浓度的所有YFE（1-x）Mn（x）O（3）钙酸盐显示出多个分析物的快速响应和恢复特性以及良好的稳定性和可回收性。随着Mn掺杂浓度的增加，YFE（1-x）Mn（x）O（3）至四种靶气氛的响应首先增加，然后降低。 YFE（1-x）Mn（x）o（3）的感测性能最佳NISX = 0.05。与纯YFEO3相比，YFE（0.95）Mn（0.05）O（3）至1000ppm的CH 2 O，C 2 H 6 O，H（2）O（2）和100％相对湿度的反应增加了835％，1462％，分别为812％和801％。用于H（2）O（2）和CH 2 O的YFE（0.95）Mn（0.05）（0.05）（3）的理论检测极限分别为1.75和2.55ppb。此外，通过主成分分析和雷达图分析评估基于YFE（1-x）Mn（x）o（3）的基于YFE（1-x）Mn（x）O（3）的传感器阵列的可能性进行评估。通过通过雷达图分析和数据库结构来构造传感器阵列来实现对目标分析物的视觉和辨别检测是可行的。

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  • 来源
    《RSC Advances》 |2020年第51期|共11页
  • 作者

    Xukeer Aerzigu; Wu Zhaofeng; Sun Qihua; Zhong Furu; Zhang Min; Long Mengqiu; Duan Haiming;

  • 作者单位

    Xinjiang Univ Sch Phys Sci &

    Technol Urumqi 830046 Xinjiang Peoples R China;

    Xinjiang Univ Sch Phys Sci &

    Technol Urumqi 830046 Xinjiang Peoples R China;

    Xinjiang Univ Sch Phys Sci &

    Technol Urumqi 830046 Xinjiang Peoples R China;

    Zunyi Normal Coll Sch Phys &

    Elect Sci Zunyi 563006 Guizhou Peoples R China;

    Xinjiang Univ Sch Phys Sci &

    Technol Urumqi 830046 Xinjiang Peoples R China;

    Cent South Univ Sch Phys &

    Elect Inst Super Microstruct &

    Ultrafast Proc Adv Mat Changsha 410083 Peoples R China;

    Xinjiang Univ Sch Phys Sci &

    Technol Urumqi 830046 Xinjiang Peoples R China;

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