Cataluminescence sensing of carbon disulfide based on CeO2 hierarchical hollow microspheres

Cataluminescence sensing of carbon disulfide based on CeO2 hierarchical hollow microspheres
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基于CeO2分级空心微球的二硫化碳催化发光传感

DOI:
10.1007/s00216-018-1141-4
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发表时间:
2018-06
影响因子:
4.3
通讯作者:
Lv Yi
Lv Yi
中科院分区:
化学2区
文献类型:
--
作者:
Cai Pingyang;Yi Xiaofeng;Song Hongjie;Lv Yi

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本文介绍了材料形貌相关催化发光(CTL)传感特性及其应用。以葡萄糖和N,N-二甲基甲酰胺(Glu-DMF)为原料,通过水热反应合成了具有多级结构的CeO 2空心微球。采用SEM、XRD、TEM、HRTEM和BET等手段对所制备的CeO 2材料进行了表征。与CeO 2立方体(CeO 2 Cubs)相比,CeO 2分级空心微球(CeO 2 HMs)对二硫化碳的CTL反应增强。CeO 2 HMs基CTL传感器对二硫化碳的响应时间和恢复时间分别约为8 s和20 s。CeO 2 HMs对二硫化碳的CTL反应在0.50~10 μg·mL-1范围内呈良好的线性关系,具有良好的灵敏度和选择性。这些结果表明,CeO_2 HMs将是一个非常有前途的检测和监测二硫化碳的CTL传感材料。图形摘要以葡萄糖和N,N-二甲基甲酰胺(Glu-DMF)为原料,通过水热反应合成了CeO 2分级空心微球(CeO 2 HMs)。同时,所制备的CeO_2 HMs对二硫化碳具有良好的CTL应答。由于所设计的CeO 2 HMs基传感器对二硫化碳具有优异的分析性能,因此在各种场合具有潜在的应用价值。
Material morphology-dependent cataluminescence (CTL) sensing characteristic and application are presented in this work. Hierarchical hollow microspheres CeO2were synthesized via the hydrothermal reaction of glucose and N, N-dimethyl-formamide (Glu-DMF). SEM, XRD, TEM, HRTEM and BET were used to characterize the prepared CeO2materials. Compared with CeO2cubics (CeO2Cubs), CeO2hierarchical hollow microspheres (CeO2HMs) show an enhanced CTL response to carbon disulfide. The response and recovery times of CeO2HMs-based CTL sensor towards carbon disulfide are about 8 s and 20 s, respectively. CeO2HMs exhibits a linear CTL response to carbon disulfide in the concentration range of 0.50~10 μg•mL-1with an excellent sensitivity and selectivity. These results suggest that CeO2HMs will be a highly promising CTL sensing material for the detection and monitoring carbon disulfide. Graphical abstract CeO2hierarchical hollow microspheres (CeO2HMs) were synthesized via the hydrothermal reaction of glucose and N, N-dimethyl-formamide (Glu-DMF). Meanwhile, the prepared CeO2HMs shows commendable CTL response towards carbon disulfide. Due to the excellent analytical performance of designed CeO2HMs-based sensor for carbon disulfide, it has potential application value in various locations.
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