V. Timoshenko, M. Lisachenko, B. Kamenev, O. Shalygina, P. Kashkarov, J. Heitmann, Michael Schmidt, M. Zachrias
{"title":"尺寸控制纳米晶si / sio2超晶格结构中铒离子发光的高效敏化","authors":"V. Timoshenko, M. Lisachenko, B. Kamenev, O. Shalygina, P. Kashkarov, J. Heitmann, Michael Schmidt, M. Zachrias","doi":"10.1063/1.1690465","DOIUrl":null,"url":null,"abstract":"Comparative studies of photoluminescence (PL) of undoped and Er-doped size-controlled nanocrystalline Si/SiO2 superlattice structures show that the optical excitation of Si nanocrystals can be completely transferred to the Er3+ ions in surrounding SiO2, resulting in a strong PL line at 1.5 μm. The PL yield of the Er-doped structure increases for higher photon energy of excitation and for smaller nanocrystal sizes. This highly efficient sensitizing of the Er-related PL is explained by a strong coupling between excitons confined in Si nanocrystals and neighboring Er3+ ions in their upper excited states.","PeriodicalId":101027,"journal":{"name":"Physics Letters","volume":"46 1","pages":"2512"},"PeriodicalIF":0.0000,"publicationDate":"2004-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"36","resultStr":"{\"title\":\"HIGHLY EFFICIENT SENSITIZING OF ERBIUM ION LUMINESCENCE IN SIZE-CONTROLLED NANOCRYSTALLINE SI/SIO2 SUPERLATTICE STRUCTURES\",\"authors\":\"V. Timoshenko, M. Lisachenko, B. Kamenev, O. Shalygina, P. Kashkarov, J. Heitmann, Michael Schmidt, M. Zachrias\",\"doi\":\"10.1063/1.1690465\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"Comparative studies of photoluminescence (PL) of undoped and Er-doped size-controlled nanocrystalline Si/SiO2 superlattice structures show that the optical excitation of Si nanocrystals can be completely transferred to the Er3+ ions in surrounding SiO2, resulting in a strong PL line at 1.5 μm. The PL yield of the Er-doped structure increases for higher photon energy of excitation and for smaller nanocrystal sizes. This highly efficient sensitizing of the Er-related PL is explained by a strong coupling between excitons confined in Si nanocrystals and neighboring Er3+ ions in their upper excited states.\",\"PeriodicalId\":101027,\"journal\":{\"name\":\"Physics Letters\",\"volume\":\"46 1\",\"pages\":\"2512\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2004-04-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"36\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Physics Letters\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1063/1.1690465\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Physics Letters","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1063/1.1690465","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
HIGHLY EFFICIENT SENSITIZING OF ERBIUM ION LUMINESCENCE IN SIZE-CONTROLLED NANOCRYSTALLINE SI/SIO2 SUPERLATTICE STRUCTURES
Comparative studies of photoluminescence (PL) of undoped and Er-doped size-controlled nanocrystalline Si/SiO2 superlattice structures show that the optical excitation of Si nanocrystals can be completely transferred to the Er3+ ions in surrounding SiO2, resulting in a strong PL line at 1.5 μm. The PL yield of the Er-doped structure increases for higher photon energy of excitation and for smaller nanocrystal sizes. This highly efficient sensitizing of the Er-related PL is explained by a strong coupling between excitons confined in Si nanocrystals and neighboring Er3+ ions in their upper excited states.
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