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Multifunctional Graphene-based Nanocomposites for Simultaneous Enhanced Photocatalytic Degradation and Photothermal Antibacterial Activity by Visible Light by Ya-kun Lv; Lin Mei; Liu-xue Zhang; De-hong Yang; Zi-yu Yin is a Environmental Science article available to read on EtoBox.
What is Multifunctional Graphene-based Nanocomposites for Simultaneous Enhanced Photocatalytic Degradation and Photothermal Antibacterial Activity by Visible Light about?
A new strategy for the wastewater treatment was proposed by combining polyvinylpyrrolidone-functionalized silver nanoparticles with reduced graphene oxide (AgNPs-PVP@rGO) as a visible light-triggered photoactive nanocomposite. The nanocomposite with enhanced photocatalytic degradation and photothermal antibacterial activity can simultaneously decrease the content of organic pollutants and bacteria in the wastewater under visible light irradiation. The efficiency of photocatalytic degradation can be significantly improved by the conjugation of AgNPs onto the rGO surface. The water solubility and dispersion of nanocomposite can be increased via PVP functionalization, without stirring during the photocatalytic process. Under the optimal synthesis condition, AgNPs-PVP@rGO has a photocatalytic degradation efficiency of 90.1% for rhodamine B, which is 6.9 and 1.8 times higher than that of polyvinylpyrrolidone-functionalized silver nanoparticles and rGO alone, respectively. More importantly, the degradation efficiency of optimal AgNPs-PVP@rGO sol on rhodamine B is significantly higher than that of its block suspension in the same amount, indicating that the sol with more specific surface
Who reads Multifunctional Graphene-based Nanocomposites for Simultaneous Enhanced Photocatalytic Degradation and Photothermal Antibacterial Activity by Visible Light?
It is typically read by researchers, students, and practitioners in Environmental Science.
- Author
- Ya-kun Lv; Lin Mei; Liu-xue Zhang; De-hong Yang; Zi-yu Yin
- Publisher
- Springer Science and Business Media LLC
- Published
- 2021
- Language
- EN
- Field
- Environmental Science (Physical Sciences)