Hydroxyapatite nanoparticles reinforced polyvinyl alcohol/chitosan blend for optical and energy storage applications

Polymer Engineering and Science, Год журнала: 2024, Номер 64(3), С. 1378 - 1390

Опубликована: Янв. 10, 2024

Abstract Biopolymer blend nanocomposite films composed of polyvinyl alcohol (PVA) and chitosan (CS) with varying quantities hydroxyapatite (HA) nanoparticles were developed using a green solution casting method. The formation was confirmed by Fourier‐transform infrared spectroscopy (FTIR), ultraviolet–visible (UV) spectrometer, field‐emission scanning electron microscopy (FE‐SEM), X‐ray diffraction (XRD), thermogravimetric analysis (TGA), differential calorimetry (DSC). Mechanical parameters such as tensile strength, percentage elongation at break, hardness, dielectric constant, temperature‐dependent alternating current (AC) conductivity analyzed. bonding between the PVA/CS verified shift in distinctive peaks nanocomposites to higher wavenumber FTIR spectra. UV spectra demonstrated difference absorbance transmittance reinforcement HA nanofillers. bandgaps marginally decreased an increase nanoparticle loading. SEM XRD patterns revealed ordered arrangement matrix due presence nanoparticles. assessment thermal characteristics obtained from DSC TGA clear phase transition temperature stability nanocomposites. electrical measurement indicated rise constant AC addition showed reduction activation energy loading increased. strength surface hardness increased dosage content matrix. Highlights A series (PVA)/chitosan (CS)/hydroxyapatite prepared method Enhanced optical property, stability, glass Possess excellent inclusion mechanical potential for flexible optoelectronic charge storage devices.

Язык: Английский

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Effect of Ag/CuS nanoparticles loading to enhance linear/nonlinear spectroscopic and electrical characteristics of PVP/PVA blends for flexible optoelectronics

Journal of Vinyl and Additive Technology, Год журнала: 2023, Номер 30(1), С. 230 - 243

Опубликована: Авг. 25, 2023

Abstract Due to the novel physicochemical properties of polymeric nanocomposites (PNCs), a remarkable role PNCs has been accomplished in plenty flexible optoelectronic applications. Solution cast procedure performed prepare different contents (0.1, 0.5, 1.0, 5.0, and 10 wt%) Ag 1.6 Cu 0.2 S (ACS) incorporated PVP/PVA blend. Fourier transforms infrared scanning electron microscope measurements were carried out investigate influence ACS on structure morphology. UV–visible spectrophotometry technique was applied examine optical modifications. Spectroscopic analysis reveals that direct/indirect bandgap host shrinks from 5.21/4.95 eV (PVP/PVA 0 ) 4.87/4.54 ). Moreover, obvious enrichments whole linear/nonlinear parameters are achieved by doping. For example, refractive index dielectric constants increased 1.69 2.87 1.91 3.63 While two orders magnetite enhancement nonlinear third‐order susceptibility via 10% The electrical performance explored, which discloses DC‐electrical conductivity () activation energy. obtained structural, spectroscopic investigations prove could play an efficient Highlights casting used loaded with Ag/CuS NPs. FT‐IR successful incorporation structure. Enrichments Electrical greatly enhanced.

Язык: Английский

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Modifications in the structural, optical, and dielectric properties of PVA/PVP/PEG blend by incorporation of PANi/ZnWO4 nanohybrid for optoelectronic and energy storage devices

Optical Materials, Год журнала: 2024, Номер 149, С. 115047 - 115047

Опубликована: Фев. 19, 2024

Язык: Английский

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Investigation of linear and nonlinear optical characterization of triple blended polymers incorporated with varying content of eriochrome black T dye for low-cost optical technologies and limiting absorption

Materials Science in Semiconductor Processing, Год журнала: 2024, Номер 175, С. 108179 - 108179

Опубликована: Фев. 24, 2024

Язык: Английский

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A Comprehensive Study of the Linear/Nonlinear Optical and Electrical Features of rGO/Co: TiO2 Nanostructures Incorporated PVP/PVA Blend

Journal of Inorganic and Organometallic Polymers and Materials, Год журнала: 2024, Номер unknown

Опубликована: Июль 13, 2024

Язык: Английский

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Tuning the Structural, Mechanical, Thermal and Electrical Properties of in-Situ Polymerized Polyindole/Carboxymethyl Chitosan/Nickel Oxide Blend Nanocomposites for Energy Storage Applications

Journal of Polymers and the Environment, Год журнала: 2024, Номер 32(8), С. 4035 - 4045

Опубликована: Март 9, 2024

Язык: Английский

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Correlation between the optical parameters of CuO polymeric nanocomposite and gamma dose for applications in irradiation issues

Optical Materials, Год журнала: 2024, Номер 150, С. 115164 - 115164

Опубликована: Март 29, 2024

Язык: Английский

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Salt-resistant and antibacterial polyvinyl alcohol/chitosan/silver-loaded graphene oxide electrospun nanofiber membrane for high-efficiency solar-driven desalination

Process Safety and Environmental Protection, Год журнала: 2024, Номер 205, С. 107 - 117

Опубликована: Март 28, 2024

Язык: Английский

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PVA/PEG/CuCo2O4/PANi/x wt% MWCNTs blended polymers: Improved the physical properties for energy storage devices and optoelectronic applications

Diamond and Related Materials, Год журнала: 2024, Номер 148, С. 111418 - 111418

Опубликована: Июль 15, 2024

Язык: Английский

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Enhancement of Dielectric Response and Optical Bandgap Tuning with Improving Surface Morphology of Recyclable Polyvinyl Alcohol–CeO₂ Polymer Nanocomposites

physica status solidi (a), Год журнала: 2023, Номер 221(4)

Опубликована: Ноя. 12, 2023

Motivated from the extraordinary properties of CeO 2 nanomaterial, this article is directed toward synthesis recyclable polyvinyl alcohol–CeO polymer nanocomposite with variable wt% and investigating their improvements in structural, electrical, optical, surface properties. The crystalline size micro‐strain are measured using X‐ray diffraction (XRD) data. Ultraviolet–visible–near‐infrared spectrophotometer used to study optical characteristics. Absorbance redshift found enhance; while bandgap reduced 2.51 2.36 eV on increasing nanofiller. mechanism reduction supported by XRD analysis. Refractive index vary 2.54 2.59 range Urbach energy varies 1.19 0.42 amount nanofillers. Surface morphology, dielectric constant, electrical conductivity also improve constant improved 60 120 at 1.5 Hz. rise rising frequency due enhancement mobility charge carriers ionic hopping conduction process. Characterization outcomes suggest that prepared composites can be claimed as useful fabricating flexible optoelectronic devices.

Язык: Английский

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