Document Detail


Reversible Polymerization in Doped Fullerides Under Pressure: The Case Of C(60)(Fe(C(5)H(5))(2))(2).
MedLine Citation:
PMID:  22332824     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
High-pressure Raman studies have been carried out on single crystalline C(60)(Fc)(2) nanosheets up to 25.4 GPa. Our results show that the charge transfer between Fc (ferrocene) and C(60) increases in the low-pressure range. Above 5 GPa, C(60) molecules start to form a chainlike polymer structure, and this polymerization is reversible upon decompression, in contrast to that of pristine C(60). The special layered structure of C(60)(Fc)(2) restricts the polymerization of C(60) molecules in some directions and explains the formation of the linear chainlike polymeric structure of the C(60) lattice under pressure. We suggest that the reversible polymerization is related to the increased charge transfer and the overridden steric repulsion of counterions.
Authors:
Wen Cui; Mingguang Yao; Dedi Liu; Quanjun Li; Ran Liu; Bo Zou; Tian Cui; Bingbing Liu
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-2-24
Journal Detail:
Title:  The journal of physical chemistry. B     Volume:  -     ISSN:  1520-5207     ISO Abbreviation:  -     Publication Date:  2012 Feb 
Date Detail:
Created Date:  2012-2-27     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101157530     Medline TA:  J Phys Chem B     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Affiliation:
State Key Laboratory of Superhard Materials, Jilin University , Changchun 130012, China.
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