The effect of TiO<sub>2</sub> nanotubes on the sintering behavior and properties of PZT ceramics

Le, Quang Tien Dung; Truong, Van Chuong; Anh, Phuong

doi:10.1088/2043-6262/2/2/025013

Cited by 8 publications

(3 citation statements)

References 14 publications

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“…The charge carrier transfer across different interfaces should also be investigated in detail. Recently, the technology of preparing one-dimensional titania nanomaterials, nanotubes, nanowires and nanorods, was elaborated [213][214][215]. They have surface areas larger than those of titania NPs and NCFs.…”

Section: Conclusion and Discussionmentioning

confidence: 99%

Visible light responsive titania-based nanostructures for photocatalytic, photovoltaic and photoelectrochemical applications

Nguyễn

Nguyen

2012

Adv. Nat. Sci: Nanosci. Nanotechnol.

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This work presents a topical review of selected articles on visible light responsive titania-based nanostructures used for fabricating the photoanodes of the photocatalytic and photoelectrical cells for hydrogen production by water splitting or fuel decomposition, electricity generation by fuel decomposition and pollutant degradation under illumination by sunlight as well as for fabricating dye-sensitized and quantum dot-sensitized solar cells. Three main types of related nanostructures are reviewed: anion-doped titania nanomaterials, cation-doped titania nanomaterials and titania-based nanostructures sensitized by dyes and quantum dots. After the presentation of the obtained results, the prospective further research works to achieve the successful fabrication of visible light responsive photocatalytic, photoelectrochemical or photovoltaic devices with high performance are discussed.

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Section: Conclusion and Discussionmentioning

confidence: 99%

Visible light responsive titania-based nanostructures for photocatalytic, photovoltaic and photoelectrochemical applications

Nguyễn

Nguyen

2012

Adv. Nat. Sci: Nanosci. Nanotechnol.

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“…Furthemore, another two absorption peaks located at 1690 cm -1 and 1760cm -1 were observed, which assigned for CuO and Cu2O [28 ]. For copper oxide NPs ablated in ethanol the FTIR spectrum (not shown here) has only bonds assigned for Cu(I)-O vibration , no bonds belong to Cu(II)-O vibration was noticed.…”

Section: Figure (8) Ftir Spectrum Of Colloidal Copper Oxidementioning

confidence: 75%

Synthesis of Colloidal Copper Oxide Nan Oparticles Using Pulsed Nd:YAG Laser Ablation in Liquid

Qader¹,

Faisal²,

Jameel³

et al. 2013

ETJ

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This work reports the attempts to carry out pulsed laser ablation in liquid (PLAL) for synthesizing colloidal copper oxide nanoparticles (NPs). Copper oxide NPs was synthesized by 7ns Nd:YAG laser ablation of high purity copper target immersed in different solutions; ethanol, acetone, and water. The optical and morphological properties of copper oxide NPs were investigated. It was found that the optical absorbance, energy gap, size, and distribution of copper oxide nanoparticles are dependent on liquid type. Plasmon peak was observed at 550nm for Cu NPs ablated in acetone and methanol liquids, while it was disappeared for those ablated in water. Atomic Force Microscopy (AFM) analysis showed that the average grain size of copper oxide particles ablated in acetone, ethanol, and water were 276 nm, 300, and 360nm, respectively. Fourier Transform Infrared (FTIR) was used to study the vibrational frequencies between the bonds of atoms for a synthesized copper oxide NPs at different liquids. All these results confirm the complete oxidation of ablated copper.

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“…It is noted that based BaTiO 3 ceramics have been usually sintered at a very high temperature to obtain the desired properties [7][8][9] which causes many difficulties in the preparation and application of these materials. It is well-known that sintering behavior can be improved by using nanostructured raw materials and/or sintering aids [10,11]. Among commonly used dopants, ZnO (in nano-or microscale) is known as an effective sintering aid for enhancing density and electric properties of piezoceramics [12][13][14].…”

Section: Introductionmentioning

confidence: 99%

Synthesis and Investigation of the Physical Properties of Lead-Free BCZT Ceramics

Tuan¹,

Tùng²,

Tu³

et al. 2021

Perovskite and Piezoelectric Materials

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This work presents the structure, microstructure, and physical properties of low sintering temperature lead-free ceramics 0.52(Ba0.7Ca0.3)TiO3-0.48Ba(Zr0.2Ti0.8)O3 doped with nano-sized ZnO particles (noted as BCZT/x, x is the content of ZnO nanoparticles in wt.%, x = 0.00, 0.05, 0.10, 0.15, 0.20, and 0.25). The obtained results of Raman scattering and dielectric measurements have confirmed that Zn2+ has occupied B-site, to cause a deformation in the ABO3-type lattice of the BCZT/x specimens. The 0.15 wt.% ZnO-modified ceramic sintered at 1350°C exhibited excellent piezoelectric parameters: d33 = 420 pC/N, d31 = −174 pC/N, kp = 0.483, kt = 0.423, and k33 = 0.571. The obtained results indicate that the high-quality lead-free BCZT ceramic could be successfully synthesized at a low sintering temperature of 1350°C with an addition of appropriated amount of ZnO nanoparticles. This work also reports the influence of the sintering temperature on structure, microstructure, and piezoelectric properties of BCZT/0.15 compound. By rising sintering temperature, the piezoelectric behaviors were improved and rose up to the best parameters at a sintering temperature of 1450°C (d33 = 576 pC/N and kp = 0.55). The corresponding properties of undoped BCZT ceramics were investigated as a comparison. It also presented that the sintering behavior and piezo-parameters of doped BCZT samples are better than the undoped BCZT samples at each sintering temperature.

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The effect of TiO₂ nanotubes on the sintering behavior and properties of PZT ceramics

Cited by 8 publications

References 14 publications

Visible light responsive titania-based nanostructures for photocatalytic, photovoltaic and photoelectrochemical applications

Visible light responsive titania-based nanostructures for photocatalytic, photovoltaic and photoelectrochemical applications

Synthesis of Colloidal Copper Oxide Nan Oparticles Using Pulsed Nd:YAG Laser Ablation in Liquid

Synthesis and Investigation of the Physical Properties of Lead-Free BCZT Ceramics

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The effect of TiO2 nanotubes on the sintering behavior and properties of PZT ceramics

Cited by 8 publications

References 14 publications

Visible light responsive titania-based nanostructures for photocatalytic, photovoltaic and photoelectrochemical applications

Visible light responsive titania-based nanostructures for photocatalytic, photovoltaic and photoelectrochemical applications

Synthesis of Colloidal Copper Oxide Nan Oparticles Using Pulsed Nd:YAG Laser Ablation in Liquid

Synthesis and Investigation of the Physical Properties of Lead-Free BCZT Ceramics

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The effect of TiO₂ nanotubes on the sintering behavior and properties of PZT ceramics