Growth of Fe doped ZnO nanoellipsoids for selective NO2 gas sensing application

被引：42
|
作者：
Ganesh, R. Sankar [1 ,2 ]
Patil, V. L. [4 ]
Durgadevi, E. [3 ]
Navaneethan, M. [3 ]
Ponnusamy, S. [2 ]
Muthamizhchelvan, C. [2 ]
Kawasaki, S. [5 ]
Patil, P. S. [4 ]
Hayakawa, Y. [1 ,3 ]
机构：
[1] Shizuoka Univ, Grad Sch Sci & Technol, Naka Ku, 3-5-1 Johoku, Hamamatsu, Shizuoka 4328011, Japan
[2] SRM Inst Sci & Technol, Dept Phys & Nanotechnol, Funct Mat & Energy Devices Lab, Kattankulathur 603203, Tamil Nadu, India
[3] Shizuoka Univ, Res Inst Elect, Naka Ku, 3-5-1 Johoku, Hamamatsu, Shizuoka 4328011, Japan
[4] Shivaji Univ, Dept Phys, Thin Film Mat Lab, Kolhapur, Maharashtra, India
[5] Nagoya Inst Technol, Dept Mat Sci & Engn, Gokiso Ku, Showa Ku, Nagoya, Aichi 4668555, Japan
来源：
CHEMICAL PHYSICS LETTERS | 2019年 / 734卷
关键词：
NO2; Nanoellipsoids; Flower-like nanorods; BET; Fe-doped ZnO; ZINC-OXIDE; THIN-FILMS; PHOTOCATALYTIC ACTIVITY; OPTICAL-PROPERTIES; CHARGE-TRANSFER; NANOPARTICLES; TEMPERATURE; SENSITIVITY; TEMPLATE; NANORODS;
D O I：
10.1016/j.cplett.2019.136725
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
In this work, Undoped ZnO and Fe-doped ZnO nanostructures were successfully synthesized by using the simple hydrothermal method and their structural, morphological by various characterization techniques and studied the gas sensing properties. The Field emission electron microscopy (FE-SEM) observed that the nanorods assembled together to form the flower like in undoped ZnO and after Fe doping it turns into nanoellipsoid like morphology. NO2 gas response analysis revealed that Fe-doped ZnO nanoellipsoids displayed a higher selectivity compared to undoped ZnO. Among the different doping concentration 8 wt% exhibited the highest response of 209.8 when exposed to 100 ppm concentration of NO2.
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页数：8
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