{"title":"Charge dynamic characteristics in corona-charged polytetrafluoroethylene film electrets.","authors":"Gang-Jin Chen, Hui-Ming Xiao, Chun-Feng Zhu","doi":"10.1007/BF02947599","DOIUrl":null,"url":null,"abstract":"","PeriodicalId":85042,"journal":{"name":"Journal of Zhejiang University. Science","volume":"5 8","pages":"923-927"},"PeriodicalIF":0.0000,"publicationDate":"2004-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1007/BF02947599","citationCount":"8","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Journal of Zhejiang University. Science","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1007/BF02947599","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 8
电晕带电聚四氟乙烯薄膜驻极体的电荷动态特性。
本文采用电晕充电、等温和热刺激表面电位衰减测量等方法,研究了多孔和非多孔聚四氟乙烯(PTFE)薄膜驻极体中注入、输运和衰减的电荷动力学特性。结果表明,无论正电荷还是负电荷,非多孔PTFE的初始表面电位都比多孔PTFE高得多。对于多孔膜,初始表面电位随膜厚的增加而增大。较高的充电温度可显著提高充电稳定性。通过扫描电镜分析,将电荷动力学与材料微观结构联系起来。对于非多孔PTFE薄膜,C-F键极化率的变化是驻极体电荷的主要来源;而对于多孔聚四氟乙烯薄膜,由于界面面积大,结晶度高,预计会产生大量的块状和界面型陷阱。
本文章由计算机程序翻译,如有差异,请以英文原文为准。