Energy and environmental catalysis driven by stress and temperature-variation

Wang, Jingjing; Hu, Cheng; Shi, Lei; Tian, Na; Huang, Hongwei; Ou, Hongling

doi:10.1039/d1ta02531g

Cited by 65 publications

(13 citation statements)

References 176 publications

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“…Deformation is a necessary condition for inducing piezoelectric materials to produce an piezoelectric effect. Piezoelectric materials can be deformed in a variety of ways, but the most common sources of external stimuli are ultrasonic waves, mechanical stress, biomechanical energy, water flow, and wind [29] . All these approaches have their advantages and limitations.…”

Section: The Foundations Of the Piezoelectric Piezocatalytic Techniquementioning

confidence: 99%

Piezocatalytic Techniques in Environmental Remediation

Thomas

et al. 2022

Angewandte Chemie

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As a consequence of rapid industrialization throughout the world, various environmental pollutants have begun to accumulate in water, air, and soil. This endangers the ecological environment of the earth, and environmental remediation has become an immediate priority. Among various environmental remediation techniques, piezocatalytic techniques, which uniquely take advantage of the piezoelectric effect, have attracted much attention. Piezoelectric effects allow pollutant degradation directly, while also enhancing photocatalysis by reducing the recombination of photogenerated carriers. In this Review, we provide a comprehensive summary of recent developments in piezocatalytic techniques for environmental remediation. The origin of the piezoelectric effect as well as classification of piezoelectric materials and their application in environmental remediation are systematically summarized. We also analyze the potential underlying mechanisms. Finally, urgent problems and the future development of piezocatalytic techniques are discussed.

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Section: The Foundations Of the Piezoelectric Piezocatalytic Techniquementioning

confidence: 99%

Piezocatalytic Techniques in Environmental Remediation

Thomas

et al. 2022

Angewandte Chemie

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“…The deleterious effects of greenhouse gases on the earth’s climate trigger an intensive search for environmentally friendly alternative energy resources . In that frame, renewable energies are promising candidates, but large-scale energy storage systems are required to counterbalance their intermittency.…”

Section: Introductionmentioning

confidence: 99%

Direct Evidence of the Role of Co or Pt, Co Single-Atom Promoters on the Performance of MoS₂ Nanoclusters for the Hydrogen Evolution Reaction

et al. 2023

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Developing alternatives to platinum (Pt) and iridium (Ir) in proton-exchange membrane water electrolyzers is crucial on the way to viable energy provision schemes. However, although it seems difficult to substitute Ir, alternatives exist for Pt at the proton-exchange membrane water electrolyzer cathode. Here, we report on the synthesis and the characterization of efficient and durable hydrogen evolution reaction (HER) nanocatalysts based on MoS 2 supported on high-surface-area carbon. Citric acid was used as a chelating agent to control the size of the MoS 2 crystallites (1.4 nm) and thus the density of active sites (slab edges). Inspired by successful approaches in catalysis for hydrodesulfurization reactions, conventional 2H MoS 2 was sequentially doped with cobalt (Co) and then with 1 wt % of Pt. Overpotentials of 188, 140, and 118 mV at 10 mA cm −2 are reported for MoS 2 /C, Co− MoS 2 /C, and Pt 1% −CoMoS 2 /C, respectively. This result is attributed to the weakening of the H ads binding energy of the promoted MoS 2 -edge active sites (because the promoting atoms are mostly located at the edges). Associated with small-metal dissolution rates (monitored in situ, during the HER), our findings demonstrate that metal promotion (doping) is a promising route to replace Pt with earth-abundant elements in acidic water electrolyzers.

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“…During piezocatalysis, it is generally thought that the noncentrosymmetric piezoelectric semiconductors deform under external stress, generating polarization charges and forming the internal piezoelectric field. − Then the free carriers (electrons and holes) migrate to the surface of piezocatalysts under the internal piezoelectric field, triggering the water splitting for hydrogen evolution or the degradation of organic pollutants. − Commonly, piezocatalysis can realize the transformation of mechanical energy to chemical energy by utilizing the piezoelectric properties of materials. Thus, the piezoelectric property is deemed to be one of the most important factors to determine the piezocatalysis .…”

Section: Introductionmentioning

confidence: 99%

A Novel Strategy for Excellent Piezocatalytic Activity in Lead-Free BaTiO₃-Based Materials via Manipulating the Multiphase Coexistence

Wei

Sun

et al. 2022

ACS Appl. Mater. Interfaces

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Piezocatalysis is regarded as a fascinating technology for water remediation and possible disease treatment. A high piezoelectric coefficient (d 33 ) is one of the most important parameters to determine piezocatalytic performance, which can be manipulated via phase boundary design. Herein, a novel strategy for excellent piezocatalytic activity in lead-free BaTiO 3 -based materials via manipulating the multiphase coexistence is proposed. The piezocatalyst of 0.82Ba(Ti 0.89 Sn 0.11 )O 3 -0.18(Ba 0.7 Ca 0.3 )TiO 3 (0.82BTS-0.18BCT) with multiphase coexistence is prepared, and a large d 33 can be obtained. As a result, 0.82BTS-0.18BCT exhibits excellent piezocatalytic performance for the degradation of Rhodamine B (RhB). Furthermore, the removal rate of RhB could reach more than 90% after vibration for 30 min, and the reaction rate constant (k) could reach 0.0706 min −1 , which is much superior to that of most other representative perovskitestructured piezoelectric materials. Excellent piezocatalytic performance can be attributed to the strong local ferro-/piezoelectric response induced by the multiphase coexistence, as confirmed by the in situ piezoresponse force microscopy (PFM). Finally, the piezocatalytic degradation mechanism is analyzed systemically and proposed. This work not only provides a high-efficiency piezocatalyst but also sheds light on developing efficient BT-based piezocatalysts by manipulating the multiphase coexistence.

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Energy and environmental catalysis driven by stress and temperature-variation

Abstract: This review provides a comprehensive overview of energy and environmental catalysis driven by stress and temperature variation based on piezoelectric and pyroelectric effects.

Cited by 65 publications

References 176 publications

Piezocatalytic Techniques in Environmental Remediation

Piezocatalytic Techniques in Environmental Remediation

Direct Evidence of the Role of Co or Pt, Co Single-Atom Promoters on the Performance of MoS₂ Nanoclusters for the Hydrogen Evolution Reaction

A Novel Strategy for Excellent Piezocatalytic Activity in Lead-Free BaTiO₃-Based Materials via Manipulating the Multiphase Coexistence

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Energy and environmental catalysis driven by stress and temperature-variation

Abstract: This review provides a comprehensive overview of energy and environmental catalysis driven by stress and temperature variation based on piezoelectric and pyroelectric effects.

Cited by 65 publications

References 176 publications

Piezocatalytic Techniques in Environmental Remediation

Piezocatalytic Techniques in Environmental Remediation

Direct Evidence of the Role of Co or Pt, Co Single-Atom Promoters on the Performance of MoS2 Nanoclusters for the Hydrogen Evolution Reaction

A Novel Strategy for Excellent Piezocatalytic Activity in Lead-Free BaTiO3-Based Materials via Manipulating the Multiphase Coexistence

Contact Info

Product

Resources

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Direct Evidence of the Role of Co or Pt, Co Single-Atom Promoters on the Performance of MoS₂ Nanoclusters for the Hydrogen Evolution Reaction

A Novel Strategy for Excellent Piezocatalytic Activity in Lead-Free BaTiO₃-Based Materials via Manipulating the Multiphase Coexistence