{"title":"电晕带电P(VDF-HFP)共聚物薄膜极化结构的热稳定性","authors":"Y. Gorokhovatsky, V.G. Boitzov, D. Rychkov","doi":"10.1109/ISE.2002.1042962","DOIUrl":null,"url":null,"abstract":"The trapping of charge carriers in localized states on the surface of /spl beta/-crystallites in P(VDF-HFP) films has been studied by means of a novel voltage recovery technique. It has been found that a phase transition from /spl alpha/-non polar to the /spl delta/-polar configuration takes place under the process of charge injection. Using experimental measurements and appropriate analysis, we determine the energy distribution of the traps located near the /spl beta/-crystallites surfaces, and estimate the spatial dimensions of the molecular dipoles to be about 11-12 nm. The industrial application method was suggested in order to improve the thermal stability of charge and polarization in corona-charged copolymer films.","PeriodicalId":331115,"journal":{"name":"Proceedings. 11th International Symposium on Electrets","volume":"41 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2002-12-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":"{\"title\":\"Thermal stability of polarization structures in corona-charged P(VDF-HFP) copolymer films\",\"authors\":\"Y. Gorokhovatsky, V.G. Boitzov, D. Rychkov\",\"doi\":\"10.1109/ISE.2002.1042962\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"The trapping of charge carriers in localized states on the surface of /spl beta/-crystallites in P(VDF-HFP) films has been studied by means of a novel voltage recovery technique. It has been found that a phase transition from /spl alpha/-non polar to the /spl delta/-polar configuration takes place under the process of charge injection. Using experimental measurements and appropriate analysis, we determine the energy distribution of the traps located near the /spl beta/-crystallites surfaces, and estimate the spatial dimensions of the molecular dipoles to be about 11-12 nm. The industrial application method was suggested in order to improve the thermal stability of charge and polarization in corona-charged copolymer films.\",\"PeriodicalId\":331115,\"journal\":{\"name\":\"Proceedings. 11th International Symposium on Electrets\",\"volume\":\"41 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2002-12-10\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"1\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Proceedings. 11th International Symposium on Electrets\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/ISE.2002.1042962\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Proceedings. 11th International Symposium on Electrets","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ISE.2002.1042962","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Thermal stability of polarization structures in corona-charged P(VDF-HFP) copolymer films
The trapping of charge carriers in localized states on the surface of /spl beta/-crystallites in P(VDF-HFP) films has been studied by means of a novel voltage recovery technique. It has been found that a phase transition from /spl alpha/-non polar to the /spl delta/-polar configuration takes place under the process of charge injection. Using experimental measurements and appropriate analysis, we determine the energy distribution of the traps located near the /spl beta/-crystallites surfaces, and estimate the spatial dimensions of the molecular dipoles to be about 11-12 nm. The industrial application method was suggested in order to improve the thermal stability of charge and polarization in corona-charged copolymer films.
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