Enhanced LPG Sensing Properties of Nanograined ZnO Films: Effect of Pd Sensitization

被引：0
作者：
Gonugade, Madhuri D. [1 ]
Salokhe, Balaji S. [1 ]
Bobhate, Pradip A. [1 ]
More, Suraj M. [1 ]
Tarwal, Nilesh L. [2 ]
Kim, Jin H. [3 ]
Lokhande, Chandrakant D. [4 ]
Gurav, Kishor, V [1 ]
机构：
[1] Shivaji Univ, Energy Convers & Storage Res Lab, Dept Phys, Devchand Coll, Kolhapur, Maharashtra, India
[2] Shivaji Univ, Smart Mat Res Lab, Dept Phys, Kolhapur 416004, Maharashtra, India
[3] Chonnam Natl Univ, Optoelect Mat Res Lab, Dept Mat Sci & Engn, Gwangju, South Korea
[4] DY Patil Med Univ Kolhapur, Interdisciplinary Res Ctr, Kolhapur, Maharashtra, India
来源：
MACROMOLECULAR SYMPOSIA | 2021年 / 400卷 / 01期
关键词：
LPG sensor; Pd-sensitization; SILAR; XRD; ZnO; LIQUEFIED PETROLEUM GAS; THIN-FILMS; CHEMICAL ROUTE; DEPOSITION; SENSORS;
D O I：
10.1002/masy.202100160
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
Nanograined zinc oxide (ZnO) thin films are synthesized by successive ionic layer adsorption and reaction (SILAR) method. The structural analysis reveals synthesized films show phase pure ZnO with wurtzite crystal structure. The deposited ZnO thin films show interconnected nanograins with porous morphology. The ZnO films exposes liquefied petroleum gas (LPG) and shows gas response of 18% under the exposure of 2600 ppm LPG at 673 K. The palladium (Pd) sensitization significantly improves the LPG sensing properties. The Pd sensitization improves gas response up to 80% under exposure of 5200 ppm at 498 K. The response and recovery time are 60 and 50 s, respectively.
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页数：5
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