Bio-based (chitosan/PVA/ZnO) nanocomposites film: Thermally stable and photoluminescence material for removal of organic dye

被引：188

作者：

Kumar, Santosh ^{[1
]}

Krishnakumar, Balu ^{[2
]}

Sobral, Abilio J. F. N. ^{[2
]}

Koh, Joonseok ^{[1
]}

机构：

[1] Konkuk Univ, Div Chem Engn, 120 Neungdong Ro, Seoul 05029, South Korea

[2] Univ Coimbra, FCT UC, Dept Chem, P-3004535 Coimbra, Portugal

来源：

CARBOHYDRATE POLYMERS | 2019年 / 205卷

关键词：

Chitosan; PVA; ZnO; Bio-based nanocomposites; Photolum nescent; Toxicity; Adsorption; ZNO QUANTUM DOTS; OPTICAL-PROPERTIES; COMPOSITE; CAPTURE;

D O I：

10.1016/j.carbpol.2018.10.108

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

Preparation of hitherto unreported chitosan/poly(vinyl alcohol)/ZnO nanocomposites film (designated as CS/PVA/ZnO) as an efficient bio-based nanocomposites is carried out by a greener approach involving mixing, solution casting and solvent evaporation. Synthesized chitosan-based nanocomposites films are characterized by various analytical techniques such as Fourier-transform infrared (FT-IR) spectroscopy, X-ray diffraction (XRD), scanning electron microscopy (SEM), transmission electron microscopy (TEM), thermogravimetric analysis (TGA), and differential scanning calorimetry (DSC). The photoluminescent properties of CS/PVA/ZnO films are thoroughly studied and compared with CS/PVA. The outcome suggested that the addition of ZnO nanoparticles increased the intensities and red shifting with respect to CS/PVA. The toxicity of chitosan-based nanocomposites films was examined by MTT assay using the NIH3T3 cells. The viability of chitosan-based nanocomposites films was found to be better than native chitosan and PVA films. Furthermore, the adsorption property of prepared chitosan-based nanocomposites films was tested for the removal of AB 1 dye.

引用

页码：559 / 564

页数：6

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