COMPARISON OF THE EFFICIENCY OF THE LASER PHOTOLYSIS OF C-60 AND C-70 FULLERENES IN SOLUTION

被引:8
作者
JUHA, L
HAMPLOVA, V
KUBAT, P
KOUDOUMAS, E
COURIS, S
机构
[1] ACAD SCI CZECH REPUBL,J HEYROVSKY INST PHYS CHEM,CR-18223 PRAGUE 8,CZECH REPUBLIC
[2] FDN RES & TECHNOL HELLAS,INST ELECTR STRUCT & LASER,GR-71110 IRAKLION,GREECE
关键词
D O I
10.1016/0009-2614(94)01252-0
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
The efficiencies of the decomposition of two of the commonest fullerenes, C-60 and C-70, induced in solution by irradiation with an XeCl (lambda=308 nm) or ArF (lambda=193 nm) excimer laser are compared, It was found that when a solution containing a mixture of C-60 and C-70 fullerenes in n-hexane is irradiated with an XeCl laser, the ratio of the concentrations of the undecomposed clusters C-60/C-70 increases with irradiation time. Thus, C-70 is decomposed more efficiently than C-60 under these conditions. However, experiments carried out under other conditions (ArF excimer laser, toluene solutions, bubbling of solutions with an inert gas or oxygen) did not exhibit this effect.
引用
收藏
页码:314 / 318
页数:5
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