Production and isolation of the isomers of dimetallofullerenes, HoTm@C82 and Tm2@C82
2000; Elsevier BV; Volume: 319; Issue: 5-6 Linguagem: Inglês
10.1016/s0009-2614(00)00164-0
ISSN1873-4448
AutoresKôichi Kikuchi, Kazuhiko Akiyama, Kôichi Sakaguchi, Takeshi Kodama, Hiroyuki Nishikawa, Isao Ikemoto, Toshinobu Ishigaki, Yohji Achiba, Keisuke Sueki, Hiromichi Nakahara,
Tópico(s)Boron and Carbon Nanomaterials Research
ResumoMetallofullerenes encapsulating Ho and Tm atoms were isolated by using the HPLC method with two different columns. Three isomers of HoTm@C82 and five isomers of Tm2@C82 were identified. The UV–VIS–NIR absorption spectra of these isomer species were similar to those of the corresponding isomers of Er2@C82. This suggests that the cages of HoTm@C82 and Tm2@C82 have the same charge as that of Er2@C82 and that Tm takes the trivalent state in HoTm@C82 and Tm2@C82, contrary to the divalent state in Tm@C82.
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