ZnO/NiO nanofibers prepared by electrostatic spinning for rapid ammonia detection at room temperature

被引：6

作者：

Xu, Shiqiang ^{[1
,2
]}

Wang, Junhe ^{[1
,2
]}

Lin, Hongying ^{[1
,2
]}

Li, Rongchao ^{[1
,2
]}

Cheng, Yongqiang ^{[1
,2
]}

Sang, Shengbo ^{[1
,2
]}

Zhuo, Kai ^{[1
,2
]}

机构：

[1] Taiyuan Univ Technol, Coll Informat & Comp, Shanxi Key Lab Micro Nano Sensors & Artificial In, Taiyuan 030024, Peoples R China

[2] Taiyuan Univ Technol, Key Lab Adv Transducers & Intelligent Control Sys, Minist Educ, Taiyuan 030024, Peoples R China

来源：

ELECTRONIC MATERIALS LETTERS | 2022年 / 18卷 / 06期

关键词：

GAS SENSOR; SENSING PROPERTIES; NANOSTRUCTURES;

D O I：

10.1007/s13391-022-00362-8

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

ZnO/NiO heterojunction nanofibers were synthesized by an electrostatic spinning technique in this work. The morphologies, crystal structures, and compositional features of the ZnO/NiO nanofibers were analyzed by SEM, TEM, XRD, and EDS characterization. ZnO/NiO nanofibers with Zn contents of 37.5 at% showed a 46% response to 300-ppm ammonia gas at room temperature (25 +/- 1 degrees C; 56 +/- 3% RH), with fast response and recovery behavior (100 s /25 s). The existence of p-n heterojunctions on the surface of ZnO/NiO nanofibers, as well as surface ionic conduction, improved the response to ammonia gas in a synergistic manner. [GRAPHICS] .

引用

页码：568 / 577

页数：10

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