Piezotronic-enhanced oxygen evolution reaction enabled by a Au/MoS(2)nanosheet catalyst

Bian Juanjuan; Sun Chunwen

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Piezotronic-enhanced oxygen evolution reaction enabled by a Au/MoS(2)nanosheet catalyst

机译：Piezotronic-enhanced氧发生反应通过一个非盟/金属氧化物半导体(2)nanosheet催化剂

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摘要

Piezoelectric effect has been widely used in the photocatalytic and photoelectrochemical fields due to its unique property of modulating the energy bands of piezoelectric materials. In this work, we demonstrated that the piezoelectric effect can also be employed in the oxygen evolution reaction (OER) using non-centrosymmetric structured MoS(2)nanosheets loaded with Au nanoparticles. Piezoelectric force microscopy (PFM) measurement reveals a piezoelectric response of the Au-MoS(2)nanosheets. The prepared Au nanoparticle-loaded MoS(2)nanosheet catalyst shows an enhanced OER performance under ultrasonic vibration, which is ascribed to the piezo-enhanced electrocatalytic effect. In addition, the proposed catalyst exhibits a piezo-catalytic effect in dye decomposition reactions. This study paves a way to design highly active catalysts for energy and environmental applications.

机译：压电效应得到了广泛的应用光催化及光电化学领域由于其独特的性质的调制能源的压电材料。工作中,我们证明了压电效果还可以用于氧气进化反应(OER)使用non-centrosymmetric结构化MoS (2) nanosheetsAu纳米颗粒。显微镜(PFM)测量揭示了一个压电响应Au-MoS nanosheets(2)。nanoparticle-loaded MoS (2) nanosheet催化剂显示了一个增强的OER下的性能超声振动,这是归因于piezo-enhanced electrocatalytic效果。该催化剂展品在染料分解piezo-catalytic效果反应。高活性催化剂对能源和环境的应用程序。

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来源
《Catalysis science & technology》 |2020年第18期|6180-6187|共8页
作者
Bian Juanjuan; Sun Chunwen;
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作者单位

Chinese Acad Sci, Beijing Inst Nanoenergy & Nanosyst, CAS Ctr Excellence Nanosci, Beijing 100083, Peoples R China;

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原文格式 PDF
正文语种英语
中图分类汉语教学;
关键词
oxygen production; energy bands; Piezoelectric effectCatalystsREACTIONENVIRONMENTAL APPLICATIONPiezoelectric materialsPHOTOCATALYTIC;

机译：氧气生产;能量乐队;压电effectCatalystsREACTIONENVIRONMENTALAPPLICATIONPiezoelectric materialsPHOTOCATALYTIC;

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Piezotronic-enhanced oxygen evolution reaction enabled by a Au/MoS(2)nanosheet catalyst

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