Relevant bibliographies by topics / Piezocatalysis

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  1. Journal articles
  2. Dissertations / Theses
  3. Book chapters

Academic literature on the topic 'Piezocatalysis'

Author: Grafiati
Published: 4 June 2021
Last updated: 10 February 2022

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Journal articles on the topic "Piezocatalysis"

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Mistewicz, Krystian, Mirosława Kępińska, Marian Nowak, Agnieszka Sasiela, Maciej Zubko, and Danuta Stróż. "Fast and Efficient Piezo/Photocatalytic Removal of Methyl Orange Using SbSI Nanowires." Materials 13, no. 21 (October 28, 2020): 4803. http://dx.doi.org/10.3390/ma13214803.

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Piezocatalysis is a novel method that can be applied for degradation of organic pollutants in wastewater. In this paper, ferroelectric nanowires of antimony sulfoiodide (SbSI) have been fabricated using a sonochemical method. Methyl orange (MO) was chosen as a typical pollutant, as it is widely used as a dye in industry. An aqueous solution of MO at a concentration of 30 mg/L containing SbSI nanowires (6 g/L) was subjected to ultrasonic vibration. High degradation efficiency of 99.5% was achieved after an extremely short period of ultrasonic irradiation (40 s). The large reaction rate constant of 0.126(8) s−1 was determined for piezocatalytic MO decomposition. This rate constant is two orders of magnitude larger than values of reaction rate constants reported in the literature for the most efficient piezocatalysts. These promising experimental results have proved a great potential of SbSI nanowires for their application in environmental purification and renewable energy conversion.
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Liu, Fengling, Haoxuan Chen, Chenmin Xu, Linlin Wang, Pengxiang Qiu, Shuo Gao, Jiawei Zhu, Shuai Zhang, and Zhaobing Guo. "Monoclinic dibismuth tetraoxide (m-Bi2O4) for piezocatalysis: new use for neglected materials." Chemical Communications 57, no. 22 (2021): 2740–43. http://dx.doi.org/10.1039/d0cc07064e.

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Bößl, Franziska, and Ignacio Tudela. "Piezocatalysis: Can catalysts really dance?" Current Opinion in Green and Sustainable Chemistry 32 (December 2021): 100537. http://dx.doi.org/10.1016/j.cogsc.2021.100537.

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Kumar, Sandeep, Moolchand Sharma, Anuruddh Kumar, Satvasheel Powar, and Rahul Vaish. "Rapid bacterial disinfection using low frequency piezocatalysis effect." Journal of Industrial and Engineering Chemistry 77 (September 2019): 355–64. http://dx.doi.org/10.1016/j.jiec.2019.04.058.

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Sharma, Moolchand, Gurpreet Singh, and Rahul Vaish. "Piezocatalysis in ferroelectric Ba0.85Ca0.15Zr0.1Ti0.9O3/polyvinylidene difluoride (PVDF) composite film." Journal of Applied Physics 130, no. 8 (August 28, 2021): 085107. http://dx.doi.org/10.1063/5.0060106.

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Wang, Xueqin, Xue Gao, Mengyuan Li, Shaojuan Chen, Junlu Sheng, and Jianyong Yu. "Synthesis of flexible BaTiO3 nanofibers for efficient vibration-driven piezocatalysis." Ceramics International 47, no. 18 (September 2021): 25416–24. http://dx.doi.org/10.1016/j.ceramint.2021.05.264.

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Sharma, Moolchand, Rahul Vaish, and Sobhy M. Ibrahim. "Effect of poling condition on piezocatalysis activity of BaTiO3-cement composites." Materials Letters 280 (December 2020): 128583. http://dx.doi.org/10.1016/j.matlet.2020.128583.

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Lei, Hua, Huanhuan Zhang, Yan Zou, Xiaoping Dong, Yanmin Jia, and Feifei Wang. "Synergetic photocatalysis/piezocatalysis of bismuth oxybromide for degradation of organic pollutants." Journal of Alloys and Compounds 809 (November 2019): 151840. http://dx.doi.org/10.1016/j.jallcom.2019.151840.

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Yang, Guodong, Qin Chen, Weijun Wang, Shijie Wu, Binjia Gao, Yanbo Xu, Zheng Chen, Shuxian Zhong, Jianrong Chen, and Song Bai. "Cocatalyst Engineering in Piezocatalysis: A Promising Strategy for Boosting Hydrogen Evolution." ACS Applied Materials & Interfaces 13, no. 13 (March 29, 2021): 15305–14. http://dx.doi.org/10.1021/acsami.1c01550.

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Ren, Tingting, Wenrou Tian, Qian Shen, Zhenting Yuan, Dongyun Chen, Najun Li, and Jianmei Lu. "Enhanced piezocatalysis of polymorphic few-layered MoS2 nanosheets by phase engineering." Nano Energy 90 (December 2021): 106527. http://dx.doi.org/10.1016/j.nanoen.2021.106527.

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Dissertations / Theses on the topic "Piezocatalysis"

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Jennings, Brandon. "Development of piezocatalytic nanomaterials for applications in sustainable water treatment." Thesis, University of Iowa, 2017. https://ir.uiowa.edu/etd/6772.

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Piezoelectric materials produce an electric potential in response to a mechanical strain. They are, therefore, capable of converting ambient waste mechanical energy into useful electrical energy which, in turn, may be harnessed and used as a supplemental source of power in a variety of applications. Engineered piezoelectric materials may be deployed to improve treatment efficiency during the production of potable water, which is both chemically and energetically intensive. Ambient mechanical energy is prevalent in municipal water treatment. Vibrations induced by water treatment plant pumps (such as High Service Pumps), turbulence resulting from cross-flow or dead-end membrane filtration, or agitation from mechanical mixing (paddle or impeller) may provide sufficient input mechanical input energy to activate a piezoelectric response. The objective of this work was to fabricate and characterize a range of nanofiber-based piezoelectric materials and demonstrate their application as an alternative energy supply for driving environmental treatment (e.g., pollutant degradation) via simple mechanical agitation. To achieve this objective, we fabricated a variety of piezoelectric nanofiber composite mats consisting of barium titanate (BTO) nanocrystals grown via an alkaline hydrothermal method atop an electrospun carbon nanofiber (CNF) support. We hypothesized that the greatest degree of piezoelectric activity (as measured by the voltage produced as a function of mechanical strain) would be achieved for nanofiber composites containing BTO with the largest fraction of tetragonal crystal structure, known to be piezoelectrically active. A systematic study on the impacts of hydrothermal treatment time, temperature, as well as the influence of ethylene glycol as an organic co-solvent on BTO crystal size and morphology was performed. For example, ethylene glycol was found to disrupt the dissolution-precipitation mechanism of BTO crystal growth and instead spurred the growth of BTO nanorods and nanosheets on the CNF support. After characterization, the strength and electromechanical properties of various BTO-CNF composites was assessed. In some cases, output voltages have been measured on the order of 2.0 V/cm2 in response to surface bending strain induced by a custom cantilever-oscillometer apparatus. Optimal fractions of BTO loading in the composites were assessed through mass-loading electromechanical studies. As a proof of concept application, BTO nanoheterostructures were shown to utilize ultrasonic vibrations to degrade sodium orange II salt (4-(2-Hydroxy-1-naphthylazo)benzenesulfonic acid sodium salt) via piezocatalysis. Ongoing and future work will continue to develop optimized piezocatalytic nanoheterostructures able to harvest the electrochemical potential generated from mechanical agitation and structural deformation for the production of oxidizing and reducing equivalents for degradation of persistent and emerging organic contaminants and disinfection in water treatment.
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Kuo, I. Sung, and 郭逸嵩. "Synthesis of Few-layered Tungsten Ditelluride Nanostructures by Using Colloidal Synthesis Technique and Their Piezocatalysis Properties." Thesis, 2017. http://ndltd.ncl.edu.tw/handle/brectp.

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Chung, Yun-Jung, and 鍾昀蓉. "Piezocatalytic Water Splitting of Hydrogen Evolution Reaction Through Highly Active Single- and Few-layered MoSe2 Nanoflowers." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/dywz5n.

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Liu, Yi-Ling, and 劉奕伶. "Study on Piezocatalytic Activity of BiFeO3/TiO2 Core-Shell Nanostructures for Degradation of Organic Dye Molecules." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/7jkmxf.

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Abstract:
碩士
國立清華大學
材料科學工程學系
106
BiFeO3 microparticles with space group of R3c were prepared by hydrothermal process and ball-milled into nanoparticles to proceed with the synthesizing step for heterostructure. BiFeO3/TiO2 core-shell heterostructure was synthesized through a well-adapted sol-gel method. Under synergistic ultrasonification and light irradiation, polarization-enhanced BiFeO3/TiO2 core-shell structured nanocomposites almost achieved 100 % piezo/photo-catalytic degradation ratio for methyl violet dye solution of 10 ppm within 2 h. The synergy of piezo/photo-catalysis outperformed the piezocatalysis by 160 % and the photocatalysis by 220 %. Moreover, the rate constant of it is about 500 % of the piezocatalysis and photocatalysis. The enhanced polarization was realized through the polling process, which took good use of the inherent ferroelectricity. Suitable band structure from the core-shell nanocomposites with high surface area boosts the surface charge transfer and the ultrasonic vibration keeps the field from saturation. These means were employed so as to reduce the recombination probability of the induced carriers, which could subsequently react with the solution to generate powerful oxidizing radicals and further dissociate organic dyes. In the flourescence photoluminescence (FL) analysis, the signals associated to hydroxyl radicals elevate with the increase of both the amount of catalysts and catalytic times. This well corroborates the importance of the powerful oxidizing agents in the degradation process. This work reveals more efficient dye degradation, utilizing polarization enhancement and synergy of mechanical vibration and light irradiation, which provides a new strategy for high performance catalytic applications.
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Book chapters on the topic "Piezocatalysis"

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Parida, Kaushik, and Ramaraju Bendi. "Piezoelectric Energy Harvesting and Piezocatalysis." In Nano-catalysts for Energy Applications, 171–89. Boca Raton: CRC Press, 2021. http://dx.doi.org/10.1201/9781003082729-10.

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Journal articles
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