Simultaneous detection of ammonia and humidity using transmission surface plasmon resonance technique

被引：3

作者：

Takano, Tomohiro ^{[1
,2
]}

Lertvachirapaiboon, Chutiparn ^{[1
,2
]}

Ohdaira, Yasuo ^{[1
,2
]}

Baba, Akira ^{[1
,2
]}

Shinbo, Kazunari ^{[1
,2
]}

Kato, Keizo ^{[1
,2
]}

机构：

[1] Niigata Univ, Grad Sch Sci & Technol, Ikarashi 2-8050,Nishi Ku, Niigata 9502181, Japan

[2] Niigata Univ, Ctr Transdisciplinary Res, Ikarashi 2-8050,Nishi Ku, Niigata 9502181, Japan

来源：

MOLECULAR CRYSTALS AND LIQUID CRYSTALS | 2019年 / 685卷 / 01期

关键词：

Transmission surface plasmon resonance (T-SPR) technique; ammonia; humidity; polyacrylic acid; polyvinyl alcohol; FILMS;

D O I：

10.1080/15421406.2019.1645466

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Gas sensing by using the transmission surface plasmon resonance (T-SPR) technique was demonstrated. Polyacrylic acid (PAA)/5-nm-thick gold/40-nm-thick silver/polycarbonate grating substrate structure (Sensor A) responded to ammonia; however, it exhibited a strong humidity dependence. Polyvinyl alcohol (PVA)/5-nm-thick gold/40-nm-thick silver/polycarbonate grating substrate structure (Sensor B) as the sensing material was also prepared and it mainly responded to humidity. The T-SPR properties of Sensors A and B were observed simultaneously by a stacking arrangement that enabled us to obtain the responses by using a single spectrophotometer. The ammonia concentration under various humidity conditions could be accurately obtained by simultaneous measurement of Sensors A and B.

引用

页码：93 / 99

页数：7

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