Recent progress in the studies of endohedral metallofullerenes
文献类型：期刊论文
| 作者 | Liu SY ; Sun SQ |
| 刊名 | journal of organometallic chemistry
 |
| 出版日期 | 2000 |
| 卷号 | 599期号:1页码:74-86 |
| 关键词 | SCANNING-TUNNELING-MICROSCOPY SPHEROIDAL CARBON SHELLS HIGH-YIELD SYNTHESIS M = SC GAS-PHASE METAL ATOMS MASS-SPECTROMETRY FULLERENE CAGES HIGH-PRESSURE DIMETALLOFULLERENES SC-2-AT-C-84 |
| ISSN号 | 0022-328x |
| 通讯作者 | liu sy |
| 中文摘要 | this overview presents the recent progress in the area of endohedral metallofullerenes in the past several years. the important results have been summarized as follows: (1) many metals including group 3 metals, most of the lanthanide series elements, and group 2 metals have been encapsulated into a fullerene cage to form mono-, di-, and trimetallofullerenes by using the arc-evaporation technique. (2) some endohedral metallofullerenes such as group 3 metals, most of the lanthanide series elements, group 2 metals, and some of their isomers have been successfully isolated and purified by a two-step or several-step hplc technique. by using high-temperature and high-pressure extraction with pyridine, ln@c-80, ln@c-82, and ln2@c-80 for most rare-earth metals have been selectively extracted in high yield (about 1% of the saw soot) from fullerenes and other size metallofullerenes. (3) the endohedral nature of metallofullerenes such as y@c-82, sc2@c-84, and sc@c-82 has been finally confirmed by synchrotron x-ray powder diffraction. the symmetries and the structures of metallofullerenes such as ca@c-82(iii), la-2@c-80(i-h), sc-2@c-84(d-2d), and sc-2@c-84(c-s) have been confirmed by nmr measurements. (lb) the information on the electronic structures and properties of endohedral metallofullerenes has been obtained by various spectrometric means such as epr, w-vis-mr, xps, cv. it is generally accepted that three-electron transfer is favorable when m = y, la, ce, pr, nd, gd, tb, dy, ho, er, lu but sc, eu, sm, yb, tm, ca, sr, ba prefer to donate two electrons to the fullerene cages. (5) several chemical reactions of endohedral metallofullerenes have been reported in which reagents are disilacyclopropane, digermacyclopropane, diphenyldiazomethane, and trifluoroacetic acid. (6) mass spectrometry provided the crucial evidence that led to the discovery of metallofullerenes in 1985 and has always played a key role in their identification and characterization, ion-mobility measurements of gas-phase ions have obtained the information of structures and the formation mechanism of endohedral metallofullerenes. till theoretical calculations on the endohedral metallofullerenes have made an important contribution to the studies on the symmetry of the cage, the position of metal atom(s) inside the cage, the number of electronic transfer between metal atom(s) and fullerene cage, etc. (c) 2000 elsevier science s.a. all rights reserved. |
| 收录类别 | SCI收录期刊论文 |
| 语种 | 英语 |
| WOS记录号 | WOS:000086545400013 |
| 公开日期 | 2010-11-04 |
| 源URL | [http://202.98.16.49/handle/322003/19789]  |
| 专题 | 长春应用化学研究所_长春应用化学研究所知识产出_期刊论文 |
| 推荐引用方式 GB/T 7714 | Liu SY,Sun SQ. Recent progress in the studies of endohedral metallofullerenes[J]. journal of organometallic chemistry,2000,599(1):74-86. |
| APA | Liu SY,&Sun SQ.(2000).Recent progress in the studies of endohedral metallofullerenes.journal of organometallic chemistry,599(1),74-86. |
| MLA | Liu SY,et al."Recent progress in the studies of endohedral metallofullerenes".journal of organometallic chemistry 599.1(2000):74-86. |
入库方式： OAI收割
来源：长春应用化学研究所
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