Synthesis of Nano-Structured Strontium Titanate by Sol-Gel and Solid State Routes

Youssef, Ahmed M.; Farag, Hala K.; El-Kheshen, Amany A.; Hammad, F. F.

doi:10.1007/s12633-017-9596-z

Cited by 24 publications

(10 citation statements)

References 19 publications

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“…The peaks at 1660 and 3410 cm –1 are related to the hydroxyl vibration . The peak at ∼430 cm –1 represents the bending vibrations of Ti–O bonds in SrTiO 3 . , A wide band observed in the scale of 500–800 cm –1 is attributed to the stretching vibration of Ti–O bonds in SrTiO 3 . , This band is clearly visible for the 10 wt % SrTiO 3 -loaded nanocomposite. The peak at 857 cm –1 represented the bending vibration of Sr–O .…”

Section: Resultsmentioning

confidence: 94%

Amplified Dielectric Properties of PVDF–HFP/SrTiO₃ Nanocomposites for a Flexible Film Capacitor

Panda,

Pasha

2023

Langmuir

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A simple solution casting technique was used to fabricate perovskite strontium titanate (SrTiO3)-loaded poly(vinylidenefluoride-co-hexafluoropropylene) (PVDF–HFP) nanocomposite films for efficient energy storage applications. Various microscopic and spectroscopic methods were used to study the characteristics of the polymer nanocomposite films, like Fourier transform infrared spectroscopy (FTIR), X-ray diffraction technique (XRD), field emission scanning electron microscopy (FESEM), ultraviolet–visible spectroscopy, thermogravimetric analysis, and mechanical tensile test (stress vs strain). The FTIR, XRD, and FESEM analyses confirmed the incorporation and proper dispersion of SrTiO3 nanoparticles in the PVDF–HFP polymer matrix. An improvement in the optical, thermal, and mechanical behavior of the nanocomposite film was observed compared to the pure polymer. The values of dielectric constant, loss tangent, and AC conductivity of pure PVDF–HFP polymer and PVDF–HFP/SrTiO3 nanocomposites (2, 6, and 10 wt % SrTiO3 loadings) were analyzed in a temperature and frequency span of 30–150 °C and 1–100 kHz, respectively. To better understand the electrical properties of the materials, Nyquist plots were generated, and their related circuit designs were fitted. The 2 wt % SrTiO3 loaded nanocomposite exhibited the highest dielectric enhancement and AC conductivity compared to higher filler-loaded nanocomposites. This exceptional dielectric enhancement at very small filler loading is beneficial for commercialization and economically viable for real-time applications.

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Section: Resultsmentioning

confidence: 94%

Amplified Dielectric Properties of PVDF–HFP/SrTiO₃ Nanocomposites for a Flexible Film Capacitor

Panda,

Pasha

2023

Langmuir

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“…Notably, we could not find SrO NPs produced by sol–gel, only its composite with other metals (Ti and Sn) . SrO NPs were also synthesized by less conventional methods (such as the wet chemical method and polymer precursor method) than microwave irradiation and sonochemistry. , …”

Section: Methods Of Synthesis Of Sro Npsmentioning

confidence: 90%

“…109 SrO NPs were also synthesized by less conventional methods (such as the wet chemical method and polymer precursor method) than microwave irradiation and sonochemistry. 110,111 3.3. Microwave-Assisted Synthesis.…”

Section: Catalytic Mechanism Of Catalysts For Biodiesel Productionmentioning

confidence: 99%

Strontium Oxide Nanoparticles for Biodiesel Production: Fundamental Insights and Recent Progress

et al. 2020

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Biodiesel is a renewable and environmentally friendly alternative to fossil fuels. Despite nearly 3 decades of research in the field of biodiesel, there remains major obstacles for large-scale production. In the search for an active, selective, and reusable solid base catalyst, strontium oxide (SrO) is emerging out as a preferred choice for the transesterification reaction under various methods of activation. SrO exhibits the highest activity among processable alkaline earth metal oxides as a result of its strong basicity. SrO nanoparticles (NPs) and hybrids showed improved performance. Recent progress achieved in the development of synthetic methods of SrO NPs is reviewed. Advantages of SrO-based nanocomposites for biodiesel production are discussed. Finally, potential support materials for enhancing the catalytic performance of SrO NPs with commercial implications are elaborated.

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“…Strontium titanate is usually formed using techniques such as sol-gel, solid state [17], hydrothermal [18], and co-precipitation. Of these techniques, the co-precipitation method can produce powders with high homogeneity.…”

Section: Introductionmentioning

confidence: 99%

Preparation of Nickel (Ni) doped SrTiO₃ and effects of sintering temperatures on its properties as photocatalyst

Agustina

Suherman

Hasanah

et al. 2023

J. Phys.: Conf. Ser.

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SrTi0.97 Ni0.03O3 photocatalysts with varied sintering temperatures of 900°C and 1000°C have been successfully prepared via the co-precipitation method. This study aimed to determine the effect of temperature on SrTi0.97 Ni0.03O3 photocatalyst including the microstructure, atomic bonding, and photocatalyst activity. X-Ray Diffraction (XRD) data revealed an increase in the crystallite size with increasing the sintering temperature. Fourier Transform Infrared (FTIR) results confirmed the formation of Sr-Ti-O bonds followed by the presence of CH impurities that the impurities decreased at 1000°C. The photocatalyst activity was tested using methylene blue (MB) degradation in SrTi0.97 Ni0.03O3 photocatalysts under UV rays. The time for the irradiation process varied from 3, 4, to 5 hours. The degraded result was examined using a UV-Vis spectrophotometer to estimate the %degradation. The results demonstrated that the sintering temperatures do not considerably impact MB degradation. Further, the best treatment for SrTi0.97Ni0.03O3 to attain the highest MB degradation of 49.9% is at 900°C with 5 hours of irradiation.

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Synthesis of Nano-Structured Strontium Titanate by Sol-Gel and Solid State Routes

Cited by 24 publications

References 19 publications

Amplified Dielectric Properties of PVDF–HFP/SrTiO₃ Nanocomposites for a Flexible Film Capacitor

Amplified Dielectric Properties of PVDF–HFP/SrTiO₃ Nanocomposites for a Flexible Film Capacitor

Strontium Oxide Nanoparticles for Biodiesel Production: Fundamental Insights and Recent Progress

Preparation of Nickel (Ni) doped SrTiO₃ and effects of sintering temperatures on its properties as photocatalyst

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Synthesis of Nano-Structured Strontium Titanate by Sol-Gel and Solid State Routes

Cited by 24 publications

References 19 publications

Amplified Dielectric Properties of PVDF–HFP/SrTiO3 Nanocomposites for a Flexible Film Capacitor

Amplified Dielectric Properties of PVDF–HFP/SrTiO3 Nanocomposites for a Flexible Film Capacitor

Strontium Oxide Nanoparticles for Biodiesel Production: Fundamental Insights and Recent Progress

Preparation of Nickel (Ni) doped SrTiO3 and effects of sintering temperatures on its properties as photocatalyst

Contact Info

Product

Resources

About

Amplified Dielectric Properties of PVDF–HFP/SrTiO₃ Nanocomposites for a Flexible Film Capacitor

Amplified Dielectric Properties of PVDF–HFP/SrTiO₃ Nanocomposites for a Flexible Film Capacitor

Preparation of Nickel (Ni) doped SrTiO₃ and effects of sintering temperatures on its properties as photocatalyst