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• W2921531210 abstract "Abstract In this study photocatalyst, TiO 2 @HNTs were prepared by synthesizing TiO 2 nanoparticles in situ on the functionalized halloysite nanotubes (HNTs) surface. Photocatalytic PVC membrane TiO 2 @HNTs M2 (2 wt.%) and TiO 2 @HNTs M3 (3 wt.%) were also prepared. Photocatalyst TiO 2 @HNTs and photocatalytic PVC membranes were used to study the photocatalytic activity against the methylene blue (MB) and rhodamine B (RB) dyes in UV batch reactor. The structure and morphology of photocatalyst and photocatalytic PVC membrane were characterized by fourier transform infrared spectroscopy (FT-IR), X-ray diffraction (XRD), scanning electron microscopy (SEM), energy dispersive X-ray (EDX), transmission electron microscopy (TEM), UV-Vis spectrophotometer and photoluminescence (PL). The PL study showed that the oxygen vacancies and surface hydroxyl groups present on the surface of TiO 2 @HNTs act as excellent traps for charge carrier, reducing the electron-hole recombination rate.TiO 2 @HNTs 2 (2 wt.%) and TiO 2 @HNTs 3 (3 wt.%) degraded MB dye up to 83.21%, 87.47% and RB dye up to 96.84% and 96.87%, respectively. TiO 2 @HNT photocatalyst proved to be stable during the three consecutive cycle of photocatalytic degradation of the RB dye. TiO 2 @HNTs M2 and TiO 2 @HNTs M3 degraded MB dye up to 27.19%, 42.37% and RB dye up to 30.78%, 32.76%, respectively. Photocatalytic degradation of both the dyes followed the first-order kinetic model. Degradation product analysis was done using the liquid chromatography–mass spectrometry (LC-MS) and the results showed that the dye degradation was initiated by demethylation of the molecule. MB and RB dye degradation reaction were tested by TBA and IPA as OH * and H + scavengers respectively. Mechanism of photocatalytic activity of TiO 2 @HNTs and photocatalytic PVC membrane were also explained." @default.
• W2921531210 created "2019-03-22" @default.
• W2921531210 creator A5018757350 @default.
• W2921531210 creator A5056808153 @default.
• W2921531210 date "2019-03-13" @default.
• W2921531210 modified "2023-10-11" @default.
• W2921531210 title "TiO2 decorated functionalized halloysite nanotubes (TiO2@HNTs) and photocatalytic PVC membranes synthesis, characterization and its application in water treatment" @default.
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• W2921531210 doi "https://doi.org/10.1038/s41598-019-40775-4" @default.
• W2921531210 hasPubMedCentralId "https://www.ncbi.nlm.nih.gov/pmc/articles/6416328" @default.
• W2921531210 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/30867547" @default.
• W2921531210 hasPublicationYear "2019" @default.
• W2921531210 type Work @default.

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