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المؤلفKhouloud, Jlassi
المؤلفMallick, Shoaib
المؤلفBen Ali, Ahmed
المؤلفMutahir, Hafsa
المؤلفSalauddin, Sayma Akhter
المؤلفAhmad, Zubair
المؤلفTennouga, Lahcene
المؤلفChehimi, Mohamed
تاريخ الإتاحة2023-09-18T04:36:30Z
تاريخ النشر2023-09-12
اسم المنشورApplied Physics A Materials Science & Processing
المعرّفhttp://dx.doi.org/10.1007/s00339-023-06908-3
الاقتباسJlassi, K., Mallick, S., Ali, A.B. et al. Polyvinylpyridine–carbon dots composite-based novel humidity sensor. Appl. Phys. A 129, 691 (2023). https://doi.org/10.1007/s00339-023-06908-3
الرقم المعياري الدولي للكتاب0947-8396
معرّف المصادر الموحدhttp://hdl.handle.net/10576/47583
الملخصThis work describes the rational design of thin films based on PVP-modified carbon dots for potential resistive humidity sensing application, prepared via spin coating on ITO substrates. The modified carbon dots were manufactured from graphite waste and modified with PVP to test the synergetic effect of the two materials. The surface hydrophilicity, morphology, and sensing properties were studied. AFM has been performed to investigate the prepared films’ texture and distribution over the surface. Overall, the hydrophilicity of the prepared films increases with concentration, leading to enhanced water vapor absorption on the surface of the sensing film. As a result, the sensor’s sensitivity is improved with the increasing concentration of PVP–CDs. The electrical response of the PVP–CDs composite film sensor shows a higher sensitivity level above 80% RH sensor with an irregular response; however, the concentration of 0.5 wt%, higher sensitivity, and linear change in impedance response was noted compared to other concentrations.
راعي المشروعOpen Access funding provided by the Qatar National Library. This research received no specific grant from public, commercial, or not-for-profit funding agencies.
اللغةen
الناشرSpringer
الموضوعPolyvinylpyridine
Carbon dots
Humidity sensor
Sensing mechanism
العنوانPolyvinylpyridine–carbon dots composite-based novel humidity sensor
النوعArticle
الصفحات691
رقم العدد10
رقم المجلد129
ESSN1432-0630
dc.accessType Full Text


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