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AuthorMallick S.
AuthorAhmad Z.
AuthorTouati F.
AuthorBhadra J.
AuthorShakoor R.A.
AuthorAl-Thani N.J.
Available date2020-03-03T06:19:01Z
Publication Date2018
Publication NameCeramics International
ResourceScopus
ISSN2728842
URIhttp://dx.doi.org/10.1016/j.ceramint.2018.06.068
URIhttp://hdl.handle.net/10576/13075
AbstractIn this paper, the effect of TiO2 ceramic nanoparticles on the thermal stability, morphology, molecular mass, structure and electrical properties of the polylactic acid-Titanium dioxide (PLA-TiO2) composites, aimed for relative humidity (RH) sensing have been reported. PLA-TiO2 nanocomposites films were developed through a spin coating process. The developed films were characterized by X-ray diffraction (XRD), Raman spectroscopy, thermogravimetric analysis (TGA), differential scanning calorimetry (DSC), field emission scanning electron microscopy (FESEM), atomic force microscopy (AFM) and electrochemical impedance spectroscopy analysis (EIS). To investigate the RH-dependent characteristics, the devices were prepared on pre-patterned ITO substrates. The capacitive and resistive response of the nanocomposite films were studied under RH levels ranging from 20?90%. The PLA-TiO2 nano-sensing films, having modified surface by acetone etching, exhibited superior morphological and electrical performance when compared to PLA-TiO2 pristine samples.
SponsorThis work was made possible by GSRA3-1-1116-14016 from the Qatar National Research Fund (a member of Qatar Foundation). The findings made herein are solely the responsibility of the authors. The authors are also very grateful to the Centre for Advanced Materials (CAM), Qatar University for their inclusive support. Appendix A
Languageen
PublisherElsevier Ltd
SubjectCeramic nanoparticles
Humidity sensors
PLA-TiO2 nanocomposites
TitlePLA-TiO2 nanocomposites: Thermal, morphological, structural, and humidity sensing properties
TypeArticle
Pagination16507 - 16513
Issue Number14
Volume Number44


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