Qi Zhang, Lang Chi, Gang Hai, Yueting Fang, Xiangchun Li, R. Xia, Wei Huang, E. Gu
{"title":"一种控制PFO薄膜中β相形成以优化发射性能的简单方法","authors":"Qi Zhang, Lang Chi, Gang Hai, Yueting Fang, Xiangchun Li, R. Xia, Wei Huang, E. Gu","doi":"10.3390/molecules22020315","DOIUrl":null,"url":null,"abstract":"We demonstrate a novel approach to control β-phase content generated in poly(9,9-dioctylfluorene) (PFO) films. A very small amount of paraffin oil was used as the additive to the PFO solution in toluene. The β-phase fraction in the spin-coated PFO films can be modified from 0% to 20% simply by changing the volume percentage of paraffin oil in the mixed solution. Organic light emitting diodes (OLEDs) and amplified spontaneous emission (ASE) study confirmed low β-phase fraction promise better OLEDs device, while high β-phase fraction benefits ASE performance.","PeriodicalId":19033,"journal":{"name":"Molecules : A Journal of Synthetic Chemistry and Natural Product Chemistry","volume":"13 8","pages":""},"PeriodicalIF":0.0000,"publicationDate":"2017-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"24","resultStr":"{\"title\":\"An Easy Approach to Control β-Phase Formation in PFO Films for Optimized Emission Properties\",\"authors\":\"Qi Zhang, Lang Chi, Gang Hai, Yueting Fang, Xiangchun Li, R. Xia, Wei Huang, E. Gu\",\"doi\":\"10.3390/molecules22020315\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"We demonstrate a novel approach to control β-phase content generated in poly(9,9-dioctylfluorene) (PFO) films. A very small amount of paraffin oil was used as the additive to the PFO solution in toluene. The β-phase fraction in the spin-coated PFO films can be modified from 0% to 20% simply by changing the volume percentage of paraffin oil in the mixed solution. Organic light emitting diodes (OLEDs) and amplified spontaneous emission (ASE) study confirmed low β-phase fraction promise better OLEDs device, while high β-phase fraction benefits ASE performance.\",\"PeriodicalId\":19033,\"journal\":{\"name\":\"Molecules : A Journal of Synthetic Chemistry and Natural Product Chemistry\",\"volume\":\"13 8\",\"pages\":\"\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2017-02-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"24\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Molecules : A Journal of Synthetic Chemistry and Natural Product Chemistry\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.3390/molecules22020315\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Molecules : A Journal of Synthetic Chemistry and Natural Product Chemistry","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.3390/molecules22020315","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
An Easy Approach to Control β-Phase Formation in PFO Films for Optimized Emission Properties
We demonstrate a novel approach to control β-phase content generated in poly(9,9-dioctylfluorene) (PFO) films. A very small amount of paraffin oil was used as the additive to the PFO solution in toluene. The β-phase fraction in the spin-coated PFO films can be modified from 0% to 20% simply by changing the volume percentage of paraffin oil in the mixed solution. Organic light emitting diodes (OLEDs) and amplified spontaneous emission (ASE) study confirmed low β-phase fraction promise better OLEDs device, while high β-phase fraction benefits ASE performance.
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