不同制备条件对聚偏氟乙烯纳米线生长的影响

夏凯; 李迎春; 李曦; 李洁; 韩晶

doi:10.3788/fgxb20163703.0294

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不同制备条件对聚偏氟乙烯纳米线生长的影响

材料合成及性能 | 更新时间：2020-08-12

- 不同制备条件对聚偏氟乙烯纳米线生长的影响
- Effect of Different Preparation Conditions on The Growth of PVDF Nanowire
- 发光学报 2016年37卷第3期页码：294-298
- 作者机构：
  
  1. 中北大学材料科学与工程学院,山西太原,030051
  2. 中北大学机电工程学院,山西太原,030051
- 作者简介：
- 基金信息：
  
  山西省科技攻关项目(2015031007-4)();山西省青年科技研究基金(2013021012-2)资助项目()
- DOI：10.3788/fgxb20163703.0294
  中图分类号： TQ324.8
- 纸质出版日期：2016-3-5，
  
  收稿日期：2015-10-27，
  
  修回日期：2015-12-20，
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夏凯, 李迎春, 李曦等. 不同制备条件对聚偏氟乙烯纳米线生长的影响[J]. 发光学报, 2016,37(3): 294-298

XIA Kai, LI Ying-chun, LI Xi etc. Effect of Different Preparation Conditions on The Growth of PVDF Nanowire[J]. Chinese Journal of Luminescence, 2016,37(3): 294-298
夏凯, 李迎春, 李曦等. 不同制备条件对聚偏氟乙烯纳米线生长的影响[J]. 发光学报, 2016,37(3): 294-298 DOI： 10.3788/fgxb20163703.0294.

XIA Kai, LI Ying-chun, LI Xi etc. Effect of Different Preparation Conditions on The Growth of PVDF Nanowire[J]. Chinese Journal of Luminescence, 2016,37(3): 294-298 DOI： 10.3788/fgxb20163703.0294.

摘要

为提高铁电聚合物聚偏氟乙烯(PVDF)的压电性能

利用纳米限域效应

采用模板直接浸润法

将多孔氧化铝(AAO)模板在不同浓度的PVDF的DMF溶液中自然浸润

并添加聚乙烯吡咯烷酮 (PVP)作为表面修饰剂

制备了一维材料PVDF纳米线。分别研究了浸润温度、溶液浓度及表面修饰剂等因素对PVDF纳米线生长过程的影响。通过FTIR、SEM、XRD等对样品的形貌结构及性能进行了表征

进一步讨论了AAO模板中PVDF纳米线的生长机制。结果表明:模板法生长的PVDF纳米线形貌主要受溶液浓度的影响

并且当浓度为0.10 g/mL时形貌较优

其平均长度为50 m

平均直径为180 nm

与AAO模板孔径尺寸相当;表面修饰剂PVP可在一定程度上防止纳米线团聚并且优化其尺寸均一性;AAO模板中生长的PVDF纳米线由于纳米限域效应优先向晶相结晶

并且在生长过程中PVDF并未参与任何化学反应。

Abstract

PVDF-templated nanowires were prepared directly through a template infiltration method in the anodic porous alumina (AAO) membranes with the use of nano-confinement effect for the purpose of improving the piezoelectric properties of PVDF. PVDF was dissolved in N

N-dimethylformamide (DMF) in different concentration

and then different solutions were obtained. During this process

the polyvinylpyrrolidone (PVP) acted as a surface modifying agent. The effects of infiltration temperature

concentration of solution and surface modifying agent on the growth of PVDF nanowires were studied. In the meantime

the growth process and mechanism of PVDF nanowires were investigated by FTIR

SEM

XRD

and so on. The results show that the concentration of solution is the main factor that affects the morphology of the nanowires. Moreover

the optimal morphology is obtained when the concentration is 0.10 g/mL

with an average length of 50 m and an average diameter of 180 nm

equated with the pore size of AAO template. In a certain extent

PVP can prevent the agglomeration and optimize the size of the nanowires. Besides

the PVDF-templated nanowires preferentially crystallize to the -phase due to the nano-confinement effect

however

there is no chemical reaction during this process.

关键词

聚偏氟乙烯纳米线模板直接浸润法多孔氧化铝纳米约束压电相

Keywords

PVDF nanowirestemplate-wettinganodic porous aluminanano-confinementpiezoelectric phase

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