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ACS Omega


Title:Polymer Optical Microcavity Sensor for Volatile Organic Compounds with Distinct Selectivity toward Aromatic Hydrocarbons
Author(s):Qiagedeer A; Yamagishi H; Hayashi S; Yamamoto Y;
Address:"Department of Materials Science, Faculty of Pure and Applied Sciences, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8573, Japan. Tsukuba Research Center for Energy Materials Science (TREMS), Faculty of Pure and Applied Sciences, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8573, Japan. School of Environmental Science and Engineering, Kochi University of Technology, 185 Miyanokuchi, Tosayamada, Kami, Kochi 782-8502, Japan"
Journal Title:ACS Omega
Year:2021
Volume:20210805
Issue:32
Page Number:21066 - 21070
DOI: 10.1021/acsomega.1c02749
ISSN/ISBN:2470-1343 (Electronic) 2470-1343 (Linking)
Abstract:"A whispering-gallery mode (WGM) optical resonance sensor for volatile organic compounds (VOCs) is developed from polystyrene (PS) microspheres doped with fluorescent beta-cyano-appended oligo(p-phenylenevinylene) (beta-COPV). The beta-COPV-doped PS microspheres (MS(COPV)) are formed by the miniemulsion method in a binary solvent. MS(COPV) expand upon permeation of VOCs into the PS matrix and exhibit a spectral shift of the WGM resonance peak. The permeation efficiency is highly dependent on the chemical affinity between the analyte and the polymer matrix, with exceptionally high selectivity toward aromatic hydrocarbons such as benzene, toluene, and xylenes (BTXs). The high selectivity and sensitivity of MS(COPV) are in clear contrast to those of conventional WGM sensors that just detect VOCs nonpreferentially through adsorption onto the surface"
Keywords:
Notes:"PubMed-not-MEDLINEQiagedeer, Airong Yamagishi, Hiroshi Hayashi, Shotaro Yamamoto, Yohei eng 2021/08/24 ACS Omega. 2021 Aug 5; 6(32):21066-21070. doi: 10.1021/acsomega.1c02749. eCollection 2021 Aug 17"

 
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