Silver Loading Tin Oxide Nanostructure for Gas Sensing Application

被引：8

作者：

Abbas, Asaad M. ^{[1
]}

Naif, Hanan Auda ^{[1
]}

Hassan, Ehssan S. ^{[1
]}

机构：

[1] Mustansiriyah Univ, Coll Sci, Dept Phys, Baghdad, Iraq

来源：

BRAZILIAN JOURNAL OF PHYSICS | 2021年 / 51卷 / 03期

关键词：

SnO2; Hydrothermal; Photoluminescence; Gas sensor; HYDROTHERMAL SYNTHESIS;

D O I：

10.1007/s13538-021-00872-0

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

In the present work, Ag loading SnO2 nanoparticles were synthesized using simple hydrothermal method with different Ag weight percentage concentrations (2, 4, and 6) wt%. The structural and morphological properties of the prepared samples were characterized and analyzed by field emission scanning electron microscopy (FE-SEM) and X-ray diffraction. The XRD analysis showed a tetragonal rutile phase of SnO2 with high crystalline, and the grain size was observed to decrease with the increase of Ag concentration. FE-SEM images depict the formation of spherically shaped and small-sized nanoparticles with average diameter of 69-77 nm and its decrease to 24 nm after doping with Ag. The gas sensing result showed maximum sensitivity to NO2 gas for the sample with 6 wt% Ag concentration at operating temperature 100 degrees C and NO2 gas concentration 50 ppm.

引用

页码：618 / 624

页数：7

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