Near IR photoluminescence in mixed films of conjugated polymers and fullerenes

被引：29

作者：

Hasharoni, K ^{[1
]}

KeshavarzK, M ^{[1
]}

Sastre, A ^{[1
]}

Gonzalez, R ^{[1
]}

BellaviaLund, C ^{[1
]}

Greenwald, Y ^{[1
]}

Swager, T ^{[1
]}

Wudl, F ^{[1
]}

Heeger, AJ ^{[1
]}

机构：

[1] MIT,DEPT CHEM,CAMBRIDGE,MA 02139

来源：

JOURNAL OF CHEMICAL PHYSICS | 1997年 / 107卷 / 07期

关键词：

D O I：

10.1063/1.474607

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 photoinduced electron transfer between conjugated polymers and a series of functionalized fullerenes was studied, A new photoluminescence signal was observed in the near IR (similar to 1,4 eV), This weak IR photoluminescence does not result from direct excitation of the fullerene, but from radiative electron-hole recombination between the fullerene excited state and the polymer ground state. The intensity of this recombination luminescence depends on the electrochemical nature of the functional group; it is observed only for fullerenes with first reduction potential higher than that of C-60. (C) 1997 American Institute of Physics.

引用

页码：2308 / 2312

页数：5

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