Pulsed laser deposition of Pt-WO3 of hydrogen sensors under atmospheric conditions

被引：23

作者：

Nishijima, Yoshiaki ^{[1
]}

Enomonoto, Kenya ^{[1
]}

Okazaki, Shinji ^{[3
]}

Arakawa, Taro ^{[1
]}

Balcytis, Armandas ^{[1
,4
]}

Juodkazis, Saulius ^{[2
,5
,6
,7
]}

机构：

[1] Yokohama Natl Univ, Grad Sch Engn, Dept Phys Elect & Comp Engn, Hodogaya Ku, 79-5 Tokiwadai, Yokohama, Kanagawa 2408501, Japan

[2] Yokohama Natl Univ, Inst Adv Sci, Hodogaya Ku, 79-5 Tokiwadai, Yokohama, Kanagawa 2408501, Japan

[3] Yokohama Natl Univ, Dept Chem Mat Sci & Engn, Grad Sch Engn, Hodogaya Ku, 79-5 Tokiwadai, Yokohama, Kanagawa 2408501, Japan

[4] Ctr Phys Sci & Technol, A Gestauto 9, LT-01108 Vilnius, Lithuania

[5] Swinburne Univ Technol, Sch Sci, Opt Sci Ctr, Hawthorn, Vic 3122, Australia

[6] Swinburne Univ Technol, Sch Sci, ARC TRAINING CTR SURFACE ENGN ADV MAT SEAM, Hawthorn, Vic 3122, Australia

[7] Tokyo Inst Technol, Sch Mat & Chem Technol, Tokyo Tech World Res Hub Initiat WRHI, Meguro Ku, 2-12-1 Ookayama, Tokyo 1528550, Japan

来源：

APPLIED SURFACE SCIENCE | 2020年 / 534卷 / 534期

基金：

日本学术振兴会;

关键词：

Laser ablation; Hydrogen sensors; Optical detection; Electronic nose; E-NOSE; ABLATION; NANOPARTICLES; ISOPRENE; FILMS; ZNO;

D O I：

10.1016/j.apsusc.2020.147568

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：

Here we report on a hydrogen gas sensor comprised of Pt-WO3 nano-/micro- powder films, which were produced using nanosecond pulsed laser ablation and deposition on a silica glass substrate under atmospheric conditions. An all- optical non-contact method of probing its electromagnetic radiation transmittance in the near-IR 1.3 mu m telecommunications frequency band was employed for rapid similar to 10 s timescale detection of low-concentration (below 4% by volume) hydrogen gas admixtures. Discussion on optimizing the composition of the Pt-WO3 alloy and its processing conditions and temperatures for best performance is provided.

引用

页数：6

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