Effect of 100 MeV O7+ ions irradiation on ethanol sensing response of nanostructures of ZnO and SnO2

被引：16

作者：

Singh, Ravi Chand ^{[1
]}

Singh, Manmeet Pal ^{[2
]}

Singh, Onkar ^{[1
]}

Chandi, Paramdeep Singh ^{[3
]}

Kumar, Ravi ^{[4
]}

机构：

[1] Guru Nanak Dev Univ, Dept Phys, Amritsar 143005, Punjab, India

[2] Khalsa Coll Engn & Technol, Dept Appl Sci, Amritsar, Punjab, India

[3] Indian Inst Sci Educ & Res, Chandigarh, India

[4] Inter Univ Accelerator Ctr, New Delhi, India

来源：

APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING | 2010年 / 98卷 / 01期

关键词：

OXIDE; POWDER; FILM;

D O I：

10.1007/s00339-009-5442-5

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Tin dioxide nanoparticles and zinc oxide nanorods were synthesized chemically and thick film gas sensors on alumina substrates were fabricated of these materials. Morphology and crystallite size of synthesized powders were investigated by TEM. The fabricated sensors were irradiated with 100 MeV O7+ ions at fluences of 1x10(11), 1x10(12) and 1x10(13) ions/cm(2). The X-ray diffraction analysis of the samples before and after ion bombardment was performed for structural characterization. The sensing response to ethanol before and after irradiation was carried out for each fabricated sensor. Investigation revealed that irradiated SnO2 based sensor's response and response time increased significantly. Results show that ZnO based sensor exhibit strong resistance to damage caused by ion irradiation which might be due to defects annihilation.

引用

页码：161 / 166

页数：6

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