Articles with "polyvinyl pyrrolidone" as a keyword



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Synthesis and characterization of copper nanoparticles stabilized with polyvinyl pyrrolidone and its performance on the conductivity and stability of polyindole

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Published in 2020 at "Journal of the Iranian Chemical Society"

DOI: 10.1007/s13738-020-02076-w

Abstract: Copper nanoparticles were prepared by chemical reduction method of CuSO4 in aqueous solution in the presence of polyvinyl pyrrolidone and cetyltrimethylammonium bromide as double capping agents without input of extra inert gases. These nanoparticles with… read more here.

Keywords: copper; conductivity; polyvinyl pyrrolidone; copper nanoparticles ... See more keywords
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Facile synthesis of novel three-dimensional Bi2S3 nanocrystals capped by polyvinyl pyrrolidone to enhance photocatalytic properties under visible light.

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Published in 2020 at "Journal of colloid and interface science"

DOI: 10.1016/j.jcis.2020.03.111

Abstract: Exploitation of novel photocatalysts for highly efficient degradation of organic dyes and reduction of hexavalent chromium is of significance to reduce environmental pollution. Herein, a novel three-dimensional flower-like Bi2S3 nanocrystals composed of two-dimensional Bi2S3 nanosheets… read more here.

Keywords: three dimensional; bi2s3; dimensional bi2s3; polyvinyl pyrrolidone ... See more keywords
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Guar Gum/Ethyl Cellulose-Polyvinyl Pyrrolidone Composite-Based Quartz Crystal Microbalance Humidity Sensor for Human Respiration Monitoring.

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Published in 2022 at "ACS applied materials & interfaces"

DOI: 10.1021/acsami.2c08434

Abstract: In this work, the guar gum (GG) and the electrospinned ethyl cellulose-polyvinyl pyrrolidone (EC-PVP) nanofibers were used as humidity-sensitive materials for fabricating a quartz crystal microbalance (QCM) sensor. Fourier transform infrared spectroscopy, scanning electron microscopy,… read more here.

Keywords: humidity; cellulose polyvinyl; ethyl cellulose; guar gum ... See more keywords
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Physicochemical Characterization of Polyvinyl Pyrrolidone: A Tale of Two Polyvinyl Pyrrolidones

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Published in 2020 at "ACS Omega"

DOI: 10.1021/acsomega.0c04010

Abstract: Of several samples of polyvinyl pyrrolidone (PVP) used to coat and stabilize freshly manufactured aqueous dispersions of silver nanoparticles, one batch gave anomalous results: the dispersion maintained continued stability, even on extensive dilution. Our efforts… read more here.

Keywords: physicochemical characterization; polyvinyl; spectroscopy; polyvinyl pyrrolidone ... See more keywords
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Electrospun polyacrylonitrile/polyvinyl pyrrolidone composite nanofibrous membranes with high-efficiency PM2.5 filter

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Published in 2020 at "Journal of Polymer Engineering"

DOI: 10.1515/polyeng-2019-0318

Abstract: Abstract In this research, we successfully fabricated a novel closed pore polyacrylonitrile (PAN)/polyvinyl pyrrolidone (PVP) composite nanofibrous membrane (PCNM) on the substrate of a commercial polypropylene window mesh. First, smooth and uniform PAN/PVP composite nanofibers… read more here.

Keywords: filter; electrospun polyacrylonitrile; polyvinyl pyrrolidone; efficiency ... See more keywords
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Polysulfone–Polyvinyl Pyrrolidone Blend Polymer Composite Membranes for Batik Industrial Wastewater Treatment

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Published in 2021 at "Membranes"

DOI: 10.3390/membranes11010066

Abstract: Batik wastewater, in general, is colored and has high concentrations of BOD (biological oxygen demand), COD (chemical oxygen demand), and dissolved and suspended solids. Polysulfone (PSf)-based membranes with the addition of polyvinyl pyrrolidone (PVP) were… read more here.

Keywords: wastewater; polyvinyl pyrrolidone; polysulfone; membrane ... See more keywords
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Innovative Methylcellulose-Polyvinyl Pyrrolidone-Based Solid Polymer Electrolytes Impregnated with Potassium Salt: Ion Conduction and Thermal Properties

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Published in 2022 at "Polymers"

DOI: 10.3390/polym14153055

Abstract: In this research, innovative green and sustainable solid polymer electrolytes (SPEs) based on plasticized methylcellulose/polyvinyl pyrrolidone/potassium carbonate (MC/PVP/K2CO3) were examined. The MC/PVP/K2CO3 SPE system with five distinct ethylene carbonate (EC) concentrations as a plasticizer was… read more here.

Keywords: solid polymer; polyvinyl pyrrolidone; polymer electrolytes; methylcellulose polyvinyl ... See more keywords