Fabrication of three-dimensional zinc oxide nanoflowers for high-sensitivity fiber-optic ammonia gas sensors

被引：34
作者：
Zhu, Yi [1 ]
Fu, Haiwei [1 ]
Ding, Jijun [1 ]
Li, Huidong [1 ]
Zhang, Min [1 ]
Zhang, Jingle [1 ]
Liu, Yinggang [1 ]
机构：
[1] Xian Shiyou Univ, Minist Key Lab Photoelect Oil Gas Logging & Detec, Sch Sci, Xian 710065, Shaanxi, Peoples R China
来源：
APPLIED OPTICS | 2018年 / 57卷 / 27期
基金：
中国国家自然科学基金;
关键词：
MODIFIED OPTICAL-FIBER; ROOM-TEMPERATURE; HYDROTHERMAL SYNTHESIS; ZNO; NANOPARTICLES;
D O I：
10.1364/AO.57.007924
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
ZnO is identified as one of the promising coating materials in optical fiber for ammonia gas sensors. In this work, three-dimensional ZnO nanoflowers are fabricated via a facile hydrothermal method and used as sensitive coating materials for optical fiber ammonia gas sensors. Results show that the sensor with ZnO nanoflowers exhibits a high sensitivity of 5.75 pm/(mu g.L-1) for ammonia concentration ranging from 0 to 5460 mu g.L-1, which is more than 2.6 times higher than that of the sensor with a coating of ZnO microspheres [2.2 pm/(mu g.L-1)]. (C) 2018 Optical Society of America
引用
收藏
页码：7924 / 7930
页数：7
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