Electron/hole piezocatalysis in chemical reactions

Asgari, Shadi; Mohammadi Ziarani, Ghodsi; Badiei, Alireza; Iravani, Siavash

doi:10.1039/d3ma00620d

Mater. Adv.

2023

DOI: 10.1039/d3ma00620d

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Electron/hole piezocatalysis in chemical reactions

Shadi Asgari,

Ghodsi Mohammadi Ziarani,

Alireza Badiei

et al.

Abstract: This review provides an overview of different piezoelectric materials and the latest studies regarding piezoelectrically mediated organic synthesis, polymerization/crosslinking, water splitting, and water remediation.

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Cited by 5 publications

References 216 publications

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Remarkably Boosting Piezocatalytic Performance of Sr_0.5Ba_0.5Nb₂O₆ Piezoceramics via Size Optimization and Oxygen Vacancy Engineering

Dai,

Fan,

Long

et al. 2024

Adv Funct Materials

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Piezocatalysis is capable of harnessing mechanical energy for environmental remediation, which is regarded as a green and promising technology to be exploited. Piezoceramics are struggling to be used as highly efficient piezocatalysts due to their grain size reaching tens of micrometers usually. Herein, a feasible and straightforward method is proposed to turn piezoceramic powders into highly efficient piezocatalysts by integrating size optimization and oxygen vacancy modulation. This strategy is validated by treating lead‐free Sr0.5Ba0.5Nb2O6 (SBN) piezoceramic powders with high‐energy ball‐milling (hBM). The rate constant k value of 46.95 × 10−3 min−1 for rhodamine B (RhB) piezocatalytic degradation of SBN‐hBM‐12h is almost 18 times higher than that of pristine SBN. Besides, the SBN‐hBM‐12 h catalyst performed superior antibacterial properties against Escherichia coli. The enhanced piezocatalytic efficiency is attributed to the introduced abundant oxygen vacancies absorbing and activating O2 into reactive oxygen species. Well‐modulated oxygen vacancy concentration can effectively accelerate the generation and separation of free carriers. However, the excess oxygen vacancies in SBN render the weakened piezoresponse thus suppressing the piezocatalytic activity. This study elucidates the critical role of oxygen vacancies in piezocatalysis and provides insights into the development of efficient piezocatalysts.

show abstract

Remarkably Boosting Piezocatalytic Performance of Sr_0.5Ba_0.5Nb₂O₆ Piezoceramics via Size Optimization and Oxygen Vacancy Engineering

Dai,

Fan,

Long

et al. 2024

Adv Funct Materials

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show abstract

Organic–Inorganic Hybrid Perovskite for Ferroelectric Catalysis

Hu,

Jing,

Pan

et al. 2024

Advanced Materials

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Organic–inorganic hybrid perovskite ferroelectric has gained significant attention for its structural flexibility and diversity. They can directly utilize metal nodes and organic groups as active sites in catalysis. Additionally, their ferroelectric polarization occurs around these active sites, significantly enhancing catalytic activity and demonstrating immense potential for applications. However, their catalytic applications remain underexplored. This work marks the first utilization of the molecular perovskite ferroelectric [3,3‐difluorocyclobutylammonium]2CuCl4 (Cu‐DFCBA) as a catalyst for alkane oxidation. Under ultrasonic stimulation, it achieved a remarkable turnover number as high as 2402. Compared to inorganic ferroelectrics like lithium niobate (LiNbO3), the molecular ferroelectric exhibited a 1200‐fold increase in catalytic activity. This highlights Cu‐DFCBA's robust ferroelectric properties and underscores the vast potential of molecular ferroelectrics in catalysis, guiding future system designs.

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Mechanistic insight into piezo-catalytic H2 evolution on BiOCl loaded with AuPt alloy cocatalysts

Ji,

Nie,

et al. 2024

Journal of Alloys and Compounds

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Electron/hole piezocatalysis in chemical reactions

Abstract: This review provides an overview of different piezoelectric materials and the latest studies regarding piezoelectrically mediated organic synthesis, polymerization/crosslinking, water splitting, and water remediation.

Cited by 5 publications

References 216 publications

Remarkably Boosting Piezocatalytic Performance of Sr_0.5Ba_0.5Nb₂O₆ Piezoceramics via Size Optimization and Oxygen Vacancy Engineering

Remarkably Boosting Piezocatalytic Performance of Sr_0.5Ba_0.5Nb₂O₆ Piezoceramics via Size Optimization and Oxygen Vacancy Engineering

Organic–Inorganic Hybrid Perovskite for Ferroelectric Catalysis

Mechanistic insight into piezo-catalytic H2 evolution on BiOCl loaded with AuPt alloy cocatalysts

Contact Info

Product

Resources

About

Electron/hole piezocatalysis in chemical reactions

Abstract: This review provides an overview of different piezoelectric materials and the latest studies regarding piezoelectrically mediated organic synthesis, polymerization/crosslinking, water splitting, and water remediation.

Cited by 5 publications

References 216 publications

Remarkably Boosting Piezocatalytic Performance of Sr0.5Ba0.5Nb2O6 Piezoceramics via Size Optimization and Oxygen Vacancy Engineering

Remarkably Boosting Piezocatalytic Performance of Sr0.5Ba0.5Nb2O6 Piezoceramics via Size Optimization and Oxygen Vacancy Engineering

Organic–Inorganic Hybrid Perovskite for Ferroelectric Catalysis

Mechanistic insight into piezo-catalytic H2 evolution on BiOCl loaded with AuPt alloy cocatalysts

Contact Info

Product

Resources

About

Remarkably Boosting Piezocatalytic Performance of Sr_0.5Ba_0.5Nb₂O₆ Piezoceramics via Size Optimization and Oxygen Vacancy Engineering

Remarkably Boosting Piezocatalytic Performance of Sr_0.5Ba_0.5Nb₂O₆ Piezoceramics via Size Optimization and Oxygen Vacancy Engineering