{"title":"氟化物晶体纳米粒子的蓝色和红色上转换辐射","authors":"A. Toncelli, B. Ahmadi","doi":"10.1109/IWBP.2011.5954826","DOIUrl":null,"url":null,"abstract":"Yb,Tm:BaY2F8 nanocrystals have been prepared and a complete spectroscopic characterization is given. After infrared pumping at 970nm we observed strong upconverted emission in the blue and red spectral regions together with infrared emissions. The lifetimes of the observed levels are in agreement with similar results in bulk crystal and no evidence of additional loss processes in the nanocrystals with respect to the bulk material is found.","PeriodicalId":142421,"journal":{"name":"2011 International Workshop on Biophotonics","volume":"84 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2011-06-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":"{\"title\":\"Blue and red upconverted emission from fluoride crystal nanoparticles\",\"authors\":\"A. Toncelli, B. Ahmadi\",\"doi\":\"10.1109/IWBP.2011.5954826\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"Yb,Tm:BaY2F8 nanocrystals have been prepared and a complete spectroscopic characterization is given. After infrared pumping at 970nm we observed strong upconverted emission in the blue and red spectral regions together with infrared emissions. The lifetimes of the observed levels are in agreement with similar results in bulk crystal and no evidence of additional loss processes in the nanocrystals with respect to the bulk material is found.\",\"PeriodicalId\":142421,\"journal\":{\"name\":\"2011 International Workshop on Biophotonics\",\"volume\":\"84 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2011-06-08\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"1\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2011 International Workshop on Biophotonics\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/IWBP.2011.5954826\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"2011 International Workshop on Biophotonics","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/IWBP.2011.5954826","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Blue and red upconverted emission from fluoride crystal nanoparticles
Yb,Tm:BaY2F8 nanocrystals have been prepared and a complete spectroscopic characterization is given. After infrared pumping at 970nm we observed strong upconverted emission in the blue and red spectral regions together with infrared emissions. The lifetimes of the observed levels are in agreement with similar results in bulk crystal and no evidence of additional loss processes in the nanocrystals with respect to the bulk material is found.
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