Changchun Institute of Optics,Fine Mechanics and Physics,CAS
Surface-Enhanced Infrared Absorption Spectroscopic Chalcogenide Waveguide Sensor Using a Silver Island Film | |
M. Pi; C. Zheng; J. Ji; H. Zhao; Z. Peng; J. Lang; L. Liang; Y. Zhang; Y. Wang and F. K. Tittel | |
2021 | |
发表期刊 | ACS Applied Materials and Interfaces
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ISSN | 19448244 |
卷号 | 13期号:27页码:32555-32563 |
摘要 | A surface-enhanced infrared absorption spectroscopic chalcogenide waveguide sensor based on the silver island film was proposed for the first time to enhance the sensing performance in both liquid and gas phases. The chalcogenide waveguide sensor was fabricated by the lift-off and oblique angle deposition methods. The surface morphology of the silver island film with different thicknesses was characterized. The absorption of ethanol (liquid) at a wavelength of 1654 nm and that of methane (gas) at 3291 nm were measured using the fabricated chalcogenide waveguide sensor. The chalcogenide waveguide sensor integrated with the 1.8 nm-thick silver island film revealed the best sensing performance. With an acceptable increased waveguide loss resulting from the fabrication of the film, the absorbance enhancement factors for ethanol and methane were experimentally obtained to be 1.5 and 2.3, respectively. The 1 limit of detection of methane for the sensor integrated with the 1.8 nm-thick silver island film was 4.11% for an averaging time of 0.2 s. The mathematic relation between the absorbance enhancement factor and the waveguide loss was derived for sensing performance improvement. Also, the proposed rectangular waveguide sensor provides an idea for the design of a sensor-on-a-chip instead of other waveguide sensors with a high requirement of fabrication accuracy, for example, a slot waveguide or a photonic crystal waveguide. 2021 American Chemical Society. |
DOI | 10.1021/acsami.1c08177 |
URL | 查看原文 |
收录类别 | SCI ; EI |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://ir.ciomp.ac.cn/handle/181722/65674 |
专题 | 中国科学院长春光学精密机械与物理研究所 |
推荐引用方式 GB/T 7714 | M. Pi,C. Zheng,J. Ji,et al. Surface-Enhanced Infrared Absorption Spectroscopic Chalcogenide Waveguide Sensor Using a Silver Island Film[J]. ACS Applied Materials and Interfaces,2021,13(27):32555-32563. |
APA | M. Pi.,C. Zheng.,J. Ji.,H. Zhao.,Z. Peng.,...&Y. Wang and F. K. Tittel.(2021).Surface-Enhanced Infrared Absorption Spectroscopic Chalcogenide Waveguide Sensor Using a Silver Island Film.ACS Applied Materials and Interfaces,13(27),32555-32563. |
MLA | M. Pi,et al."Surface-Enhanced Infrared Absorption Spectroscopic Chalcogenide Waveguide Sensor Using a Silver Island Film".ACS Applied Materials and Interfaces 13.27(2021):32555-32563. |
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