Non-Arrhenius behavior of grain growth in (K, Na)NbO3-based ceramics and its effect on piezoelectric properties

Pan, Yongqi; Huang, Longfei; Feng, Jie; Yu, Xinyu; Xu, Zunping; Chen, Yi

doi:10.1016/j.ceramint.2022.08.284

Cited by 10 publications

(2 citation statements)

References 44 publications

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“…The intensity of the left shoulder peak is greater than that of the right shoulder peak. Rietveld refinements were executed on the XRD data via GSAS‐EXPGUI software 21,22 . The 0.96KNN‐0.04BNZ ceramics were refined with the three‐phase model of R3m, Amm2 and P4mm in Figure 1C,D.…”

Section: Resultsmentioning

confidence: 99%

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Poling‐induced enhancement of piezocatalytic performance of 0.96K_0.5Na_0.5NbO₃‐0.04Bi_0.5Na_0.5ZrO₃ ceramic blocks

Xie,

Jiao,

et al. 2024

J Am Ceram Soc.

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Compared with powder particles, ceramic block piezocatalyst possesses the advantages of high cycle stability, decreasing secondary pollution, and easy recovery. Herein, with a simple strategy of the poling procedure, the piezocatalytic activity of 0.96K0.5Na0.5NbO3‐0.04Bi0.5Na0.5ZrO3 (abbreviated as 0.96KNN‐0.04BNZ) ceramic blocks can be considerably improved. A reaction rate constant k value of 14.70×10−3 min−1 in the poled sample can be obtained to degrade Rhodamine B, which is 3.44 times that of the unpoled one. Meanwhile, the poled sample also has good degradation effects against methylene blue and amino black 10B. The improvement of piezocatalytic activities originates from the reduction of crystal symmetry and the enhancement of electron‐hole pair separation, which accelerates the generation of charge carriers. This research displays a unique lead‐free bulk piezocatalyst and a convenient method for enhancing its piezocatalytic activity.

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Section: Resultsmentioning

confidence: 99%

“…Rietveld refinements were executed on the XRD data via GSAS-EXPGUI software. 21,22 The 0.96KNN-0.04BNZ ceramics were refined with the threephase model of R3m, Amm2 and P4mm in Figure 1C,D.…”

Section: Phase Transformationmentioning

confidence: 99%

Poling‐induced enhancement of piezocatalytic performance of 0.96K_0.5Na_0.5NbO₃‐0.04Bi_0.5Na_0.5ZrO₃ ceramic blocks

Xie,

Jiao,

et al. 2024

J Am Ceram Soc.

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Multiphase design induced improved electrical response in BNZ modified (K0.485Na0.485Li0.03)(Nb0.96Sb0.04)O3 piezoceramics with high Curie temperature

Rawat

Chitra

Laishram

et al. 2023

J Mater Sci: Mater Electron

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MXene-derived Ti3C2Tx/Bi4Ti3O12 heterojunction photocatalyst for enhanced degradation of tetracycline hydrochloride, rhodamine B, and methyl orange under visible-light irradiation

Wang,

Chen,

Que

et al. 2023

Applied Surface Science

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Non-Arrhenius behavior of grain growth in (K, Na)NbO3-based ceramics and its effect on piezoelectric properties

Cited by 10 publications

References 44 publications

Poling‐induced enhancement of piezocatalytic performance of 0.96K_0.5Na_0.5NbO₃‐0.04Bi_0.5Na_0.5ZrO₃ ceramic blocks

Poling‐induced enhancement of piezocatalytic performance of 0.96K_0.5Na_0.5NbO₃‐0.04Bi_0.5Na_0.5ZrO₃ ceramic blocks

Multiphase design induced improved electrical response in BNZ modified (K0.485Na0.485Li0.03)(Nb0.96Sb0.04)O3 piezoceramics with high Curie temperature

MXene-derived Ti3C2Tx/Bi4Ti3O12 heterojunction photocatalyst for enhanced degradation of tetracycline hydrochloride, rhodamine B, and methyl orange under visible-light irradiation

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Non-Arrhenius behavior of grain growth in (K, Na)NbO3-based ceramics and its effect on piezoelectric properties

Cited by 10 publications

References 44 publications

Poling‐induced enhancement of piezocatalytic performance of 0.96K0.5Na0.5NbO3‐0.04Bi0.5Na0.5ZrO3 ceramic blocks

Poling‐induced enhancement of piezocatalytic performance of 0.96K0.5Na0.5NbO3‐0.04Bi0.5Na0.5ZrO3 ceramic blocks

Multiphase design induced improved electrical response in BNZ modified (K0.485Na0.485Li0.03)(Nb0.96Sb0.04)O3 piezoceramics with high Curie temperature

MXene-derived Ti3C2Tx/Bi4Ti3O12 heterojunction photocatalyst for enhanced degradation of tetracycline hydrochloride, rhodamine B, and methyl orange under visible-light irradiation

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Product

Resources

About

Poling‐induced enhancement of piezocatalytic performance of 0.96K_0.5Na_0.5NbO₃‐0.04Bi_0.5Na_0.5ZrO₃ ceramic blocks

Poling‐induced enhancement of piezocatalytic performance of 0.96K_0.5Na_0.5NbO₃‐0.04Bi_0.5Na_0.5ZrO₃ ceramic blocks