Photocatalysis of composite film PDMS-PMN-PT@TiO                         2                          greatly improved via spatial electric field

Baoying Dai; Ling Zhang; Hengming Huang; Chunhua Lu; Jiahui Kou; Zhongzi Xu

doi:10.1016/j.apsusc.2017.01.151

Photocatalysis of composite film PDMS-PMN-PT@TiO ₂ greatly improved via spatial electric field

Baoying Dai, Ling Zhang, Hengming Huang, Chunhua Lu, Jiahui Kou, Zhongzi Xu

材料科学与工程学院

Nanjing Tech University

科研成果: 期刊稿件 › 文章 › 同行评审

27 引用（Scopus）

摘要

Efficient charge separation is quite significant to obtain high photocatalytic performance. In this work, piezoelectric-based composite photocatalyst film PDMS-PMN-PT@TiO ₂ possessing high recoverability was prepared. The spatial electric field of PMN-PT was introduced into photocatalyst system by ultrasonic wave vibration to accelerate charge separation. Compared with magnetic stirring, ultrasonic wave vibration greatly improved the photocatalytic degradation efficiency of rhodamine B (RhB) over PDMS-PMN-PT@TiO ₂ film by about 55%. A possible improvement mechanism that spatial electric field promotes charge separation was presented herein. The piezoelectric potential output demonstrated the piezoelectricity of composite film. The durability experiments of PDMS-PMN-PT@TiO ₂ film indicated its great stability over several runs.

源语言	英语
页（从-至）	9-14
页数	6
期刊	Applied Surface Science
卷	403
DOI	https://doi.org/10.1016/j.apsusc.2017.01.151
出版状态	已出版 - 1 5月 2017

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10.1016/j.apsusc.2017.01.151

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@article{2de189cba1824a80b78a8b4332b4cdc5,

title = " Photocatalysis of composite film PDMS-PMN-PT@TiO 2 greatly improved via spatial electric field ",

abstract = " Efficient charge separation is quite significant to obtain high photocatalytic performance. In this work, piezoelectric-based composite photocatalyst film PDMS-PMN-PT@TiO 2 possessing high recoverability was prepared. The spatial electric field of PMN-PT was introduced into photocatalyst system by ultrasonic wave vibration to accelerate charge separation. Compared with magnetic stirring, ultrasonic wave vibration greatly improved the photocatalytic degradation efficiency of rhodamine B (RhB) over PDMS-PMN-PT@TiO 2 film by about 55%. A possible improvement mechanism that spatial electric field promotes charge separation was presented herein. The piezoelectric potential output demonstrated the piezoelectricity of composite film. The durability experiments of PDMS-PMN-PT@TiO 2 film indicated its great stability over several runs.",

keywords = "Film, PMN-PT, Photocatalysis, Piezoelectric effect, TiO",

author = "Baoying Dai and Ling Zhang and Hengming Huang and Chunhua Lu and Jiahui Kou and Zhongzi Xu",

note = "Publisher Copyright: {\textcopyright} 2017",

year = "2017",

month = may,

day = "1",

doi = "10.1016/j.apsusc.2017.01.151",

language = "英语",

volume = "403",

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T1 - Photocatalysis of composite film PDMS-PMN-PT@TiO 2 greatly improved via spatial electric field

AU - Dai, Baoying

AU - Zhang, Ling

AU - Huang, Hengming

AU - Lu, Chunhua

AU - Kou, Jiahui

AU - Xu, Zhongzi

PY - 2017/5/1

Y1 - 2017/5/1

N2 - Efficient charge separation is quite significant to obtain high photocatalytic performance. In this work, piezoelectric-based composite photocatalyst film PDMS-PMN-PT@TiO 2 possessing high recoverability was prepared. The spatial electric field of PMN-PT was introduced into photocatalyst system by ultrasonic wave vibration to accelerate charge separation. Compared with magnetic stirring, ultrasonic wave vibration greatly improved the photocatalytic degradation efficiency of rhodamine B (RhB) over PDMS-PMN-PT@TiO 2 film by about 55%. A possible improvement mechanism that spatial electric field promotes charge separation was presented herein. The piezoelectric potential output demonstrated the piezoelectricity of composite film. The durability experiments of PDMS-PMN-PT@TiO 2 film indicated its great stability over several runs.

AB - Efficient charge separation is quite significant to obtain high photocatalytic performance. In this work, piezoelectric-based composite photocatalyst film PDMS-PMN-PT@TiO 2 possessing high recoverability was prepared. The spatial electric field of PMN-PT was introduced into photocatalyst system by ultrasonic wave vibration to accelerate charge separation. Compared with magnetic stirring, ultrasonic wave vibration greatly improved the photocatalytic degradation efficiency of rhodamine B (RhB) over PDMS-PMN-PT@TiO 2 film by about 55%. A possible improvement mechanism that spatial electric field promotes charge separation was presented herein. The piezoelectric potential output demonstrated the piezoelectricity of composite film. The durability experiments of PDMS-PMN-PT@TiO 2 film indicated its great stability over several runs.

KW - Film

KW - PMN-PT

KW - Photocatalysis

KW - Piezoelectric effect

KW - TiO

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U2 - 10.1016/j.apsusc.2017.01.151

DO - 10.1016/j.apsusc.2017.01.151

M3 - 文章

AN - SCOPUS:85009971861

SN - 0169-4332

VL - 403

SP - 9

EP - 14

JO - Applied Surface Science

JF - Applied Surface Science

ER -

Photocatalysis of composite film PDMS-PMN-PT@TiO 2 greatly improved via spatial electric field

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Photocatalysis of composite film PDMS-PMN-PT@TiO ₂ greatly improved via spatial electric field