Please use this identifier to cite or link to this item: https://doi.org/10.1021/acsami.8b16623
Title: All-Dielectric Surface-Enhanced Infrared Absorption-Based Gas Sensor Using Guided Resonance
Authors: Chang, Yuhua 
Hasan, Dihan 
Dong, Bowei 
Wei, Jingxuan 
Ma, Yiming 
Zhou, Guangya 
Ang, Kah Wee 
Lee, Chengkuo 
Keywords: Science & Technology
Technology
Nanoscience & Nanotechnology
Materials Science, Multidisciplinary
Science & Technology - Other Topics
Materials Science
photonic crystal slab
all-dielectric
guided resonance
surface enhanced infrared absorption
gas sensor
gas enrichment polymer
METAL-ORGANIC FRAMEWORK
THIN-FILM
NANOANTENNAS
MODE
MOS2
Issue Date: 7-Nov-2018
Publisher: AMER CHEMICAL SOC
Citation: Chang, Yuhua, Hasan, Dihan, Dong, Bowei, Wei, Jingxuan, Ma, Yiming, Zhou, Guangya, Ang, Kah Wee, Lee, Chengkuo (2018-11-07). All-Dielectric Surface-Enhanced Infrared Absorption-Based Gas Sensor Using Guided Resonance. ACS APPLIED MATERIALS & INTERFACES 10 (44) : 38272-38279. ScholarBank@NUS Repository. https://doi.org/10.1021/acsami.8b16623
Abstract: © 2018 American Chemical Society. The surface-enhanced infrared absorption (SEIRA) technique has been focusing on the metallic resonator structures for decades, exploring different approaches to enhance sensitivity. Although the high enhancement is achieved, the dissipative loss and strong heating are the intrinsic drawbacks of metals. Recently, the dielectric platform has emerged as a promising alternative. In this work, we report a guided resonance-based all-dielectric photonic crystal slab as the platform for SEIRA. The guided resonance-induced enhancement in the effective path length and electric field, together with gas enrichment polymer coating, leads to a detection limit of 20 ppm in carbon dioxide (CO 2 ) sensing. This work explores the feasibility to apply low loss all-dielectric structures as a surface enhancement method in the transmission mode.
Source Title: ACS APPLIED MATERIALS & INTERFACES
URI: https://scholarbank.nus.edu.sg/handle/10635/177404
ISSN: 19448244
19448252
DOI: 10.1021/acsami.8b16623
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