首页|Single-walled carbon nanotubes coated D-shaped fiber for aqueous ethanol detection
Single-walled carbon nanotubes coated D-shaped fiber for aqueous ethanol detection
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In this letter,single-walled carbon nanotubes(SWCNT)coating was used on the D-shaped silica fiber for ethanol sensing in aqueous solution.The performance of this structure as an ethanol sensor was studied here by monitoring output power variation and wavelength shift with changing ethanol concentration.In the concentration range of 5％-50％of ethanol,the SWCNT coated structure showed an improved sensitivity compared to the uncoated sample.The sensitivity is improved from 0.013 5 dB/％to 0.040 9 dB/％with the coating.The SWCNT coated sample also showed a peak wavelength shift of 0.1 nmn with the change of ethanol concentration in the same range.
Huda Adnan Zain、Malathy Batumalay、Hazli Rafis Abdul Rahim、Moh Yasin、Sulaiman Wadi Harun
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Department of Electrical Engineering,University of Malaya,Kuala Lumpur 50603,Malaysia
Faculty of Information Technology,INTI International University,Nilai 71800,Malaysia
Faculty of Electronic and Computer Engineering,Universiti Teknikal Malaysia Melaka,Melaka,Malaysia
Department of Physics,Faculty of Science and Technology,Airlangga University,Surabaya,Indonesia
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INTI Research Grant Scheme 2020Airlangga University Grant Scheme(2021)
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