{"title":"脉冲和CW-Nd:YAG激光烧蚀合成镧系富勒烯","authors":"T. Oyama, T. Ishii, K. Takeuchi","doi":"10.1080/10641220009351429","DOIUrl":null,"url":null,"abstract":"Abstract Endohedral lanthanum fullerenes, La@C60, La@C82 and La2C80, were synthesized by ablation of graphite and La2O3 in flowing Ar buffer gas with a 1064 nm beam from a pulsed-Nd: YAG laser in which the graphite was heated by the CW-Nd:YAG laser up to 2500 °C. The La-fullerenes were also prepared by laser ablation of a lanthanum-graphite composite rod. The extractant fullerenes from the carbon soot were analyzed by laser-desorption time of flight mass spectrometry (LD-TOF MS). The relative yield of La@C82, increased with increasing temperature of the rod in the range of 700-2300 °C.","PeriodicalId":12470,"journal":{"name":"Fullerene Science and Technology","volume":"9 1","pages":"491 - 499"},"PeriodicalIF":0.0000,"publicationDate":"2000-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":"{\"title\":\"Synthesis of Lanthanofullerenes by Laser Ablation Using Pulsed and CW-Nd:YAG Lasers\",\"authors\":\"T. Oyama, T. Ishii, K. Takeuchi\",\"doi\":\"10.1080/10641220009351429\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"Abstract Endohedral lanthanum fullerenes, La@C60, La@C82 and La2C80, were synthesized by ablation of graphite and La2O3 in flowing Ar buffer gas with a 1064 nm beam from a pulsed-Nd: YAG laser in which the graphite was heated by the CW-Nd:YAG laser up to 2500 °C. The La-fullerenes were also prepared by laser ablation of a lanthanum-graphite composite rod. The extractant fullerenes from the carbon soot were analyzed by laser-desorption time of flight mass spectrometry (LD-TOF MS). The relative yield of La@C82, increased with increasing temperature of the rod in the range of 700-2300 °C.\",\"PeriodicalId\":12470,\"journal\":{\"name\":\"Fullerene Science and Technology\",\"volume\":\"9 1\",\"pages\":\"491 - 499\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2000-11-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"1\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Fullerene Science and Technology\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1080/10641220009351429\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Fullerene Science and Technology","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1080/10641220009351429","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Synthesis of Lanthanofullerenes by Laser Ablation Using Pulsed and CW-Nd:YAG Lasers
Abstract Endohedral lanthanum fullerenes, La@C60, La@C82 and La2C80, were synthesized by ablation of graphite and La2O3 in flowing Ar buffer gas with a 1064 nm beam from a pulsed-Nd: YAG laser in which the graphite was heated by the CW-Nd:YAG laser up to 2500 °C. The La-fullerenes were also prepared by laser ablation of a lanthanum-graphite composite rod. The extractant fullerenes from the carbon soot were analyzed by laser-desorption time of flight mass spectrometry (LD-TOF MS). The relative yield of La@C82, increased with increasing temperature of the rod in the range of 700-2300 °C.
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