Aggregation of fullerene C60 in N-methylpyrrolidone

被引:53
作者
Yevlampieva, NP [1 ]
Biryulin, YF
Melenevskaja, EY
Zgonnik, VN
Rjumtsev, EI
机构
[1] St Petersburg State Univ, Inst Phys, St Petersburg 198504, Russia
[2] Russian Acad Sci, Inst Macromol Cpds, St Petersburg 199004, Russia
[3] Russian Acad Sci, AF Ioffe Physicotech Inst, St Petersburg 194021, Russia
关键词
fullerene C-60; N-methylpyrrolidone; aggregation; photoluminescence; electrooptics;
D O I
10.1016/S0927-7757(02)00177-2
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
Aggregation of fullerene C-60 with the solvent molecules in N-methylpyrrolidone solutions have been studied by the spectral and electrooptical methods. The time evolution of electronic absorption and photoluminescence spectra of solutions at the various initial concentrations of the solute has shown that the aggregation process is strongly concentration dependent. A comparison of spectral data with the electrooptical properties of solutions made it possible to conclude that at the concentration range < 0.05 x 10(-2) g cm(-3), a process of complex formation between C-60 and N-methylpyrrolidone molecules takes place. (C) 2002 Elsevier Science B.V. All rights reserved.
引用
收藏
页码:167 / 171
页数:5
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