Cataluminescence sensing of carbon disulfide based on CeO2 hierarchical hollow microspheres

被引：12
作者：
Cai, Pingyang [1 ,2 ]
Yi, Xiaofeng [1 ]
Song, Hongjie [1 ]
Lv, Yi [1 ]
机构：
[1] Sichuan Univ, Coll Chem, Minist Educ, Key Lab Green Chem & Technol, Chengdu 610064, Sichuan, Peoples R China
[2] Sichuan Prov Bur Geol, Chengdu Hydrol Team, Chengdu 610072, Sichuan, Peoples R China
来源：
ANALYTICAL AND BIOANALYTICAL CHEMISTRY | 2018年 / 410卷 / 21期
基金：
中国国家自然科学基金;
关键词：
Cataluminescence; Gas sensor; CeO2 hierarchical hollow microspheres (CeO2 HMs); Carbon disulfide; GAS SENSOR; ASSISTED CATALUMINESCENCE; TEMPERATURE CATALUMINESCENCE; CONTROLLABLE SYNTHESIS; OXIDE NANOSTRUCTURES; CATALYTIC-OXIDATION; CHEMILUMINESCENCE; FABRICATION; DEPOSITION; NETWORKS;
D O I：
10.1007/s00216-018-1141-4
中图分类号：
Q5 [生物化学];
学科分类号：
071010 ; 081704 ;
摘要：
Material morphology-dependent cataluminescence (CTL) sensing characteristic and application are presented in this work. Hierarchical hollow microspheres CeO2 were 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 CeO2 materials. Compared with CeO2 cubics (CeO2 Cubs), CeO2 hierarchical hollow microspheres (CeO2 HMs) show an enhanced CTL response to carbon disulfide. The response and recovery times of CeO2 HMs-based CTL sensor towards carbon disulfide are about 8 s and 20 s, respectively. CeO2 HMs exhibits a linear CTL response to carbon disulfide in the concentration range of 0.50 similar to 10 mu gaEuro cent mL(-1) with an excellent sensitivity and selectivity. These results suggest that CeO2 HMs will be a highly promising CTL sensing material for the detection and monitoring carbon disulfide.
引用
收藏
页码：5113 / 5122
页数：10
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