Manganese-doped zinc oxide hollow balls for chemiresistive sensing of acetone vapors

被引：20

作者：

Wang, Dongting ^{[1
,2
]}

Shang, Wenan ^{[1
,2
]}

Zhang, Bingxue ^{[1
,2
]}

Jiang, Chunjie ^{[1
]}

Qu, Fengdong ^{[2
]}

Yang, Minghui ^{[2
]}

机构：

[1] Liaoning Normal Univ, Sch Chem & Chem Engn, Dalian 116029, Peoples R China

[2] Chinese Acad Sci, Ningbo Inst Mat Technol & Engn, Zhejiang Key Lab Marine Mat & Protect Technol, Key Lab Marine Mat & Related Technol, Ningbo 315201, Zhejiang, Peoples R China

来源：

MICROCHIMICA ACTA | 2019年 / 186卷 / 01期

关键词：

ZnO; Mn-doped ZnO; Hollow balls; Gas sensor; Acetone vapors; MN THIN-FILMS; GAS SENSOR; OPTICAL-PROPERTIES; ZNO; NANOPARTICLES; PERFORMANCE; SPHERES; FERROMAGNETISM; AL;

D O I：

10.1007/s00604-018-3108-8

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

Both pure and Mn(II)-doped ZnO hollow structures were synthesized by a solvothermal reaction, and their phase structures, morphologies and elemental composition were characterized. SEM and TEM observations show the pure ZnO and the Mn(II)-doped ZnO balls to possess similar hollow structure with a particle size of about 1.5m. Their sensing properties were investigated, and the composite containing 1 atom% of Mn(II) (1% Mn-ZnO) is found be display the highest selectivity for acetone. The detection limit is 100ppm acetone at 234 degrees C which is 4.6 times lower than that of the pure ZnO. In addition, the response time is shorter.ZnO and Mn-doped ZnO hollow balls were prepared by a hydrothermal method, and their gas-sensing propertieswere investigated. Zinc(II) oxide doped with1 atom% Mn(II) demonstrated an outstanding sensing behavior towards acetonevapors.

引用

页数：9

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