Ultrafast excitation energy transfer in a blend of light-emitting conjugated polymers

被引：4

作者：

Cerullo, G ^{[1
]}

Graupner, W

Lanzani, G

Nisoli, M

List, EJW

Stagira, S

De Silvestri, S

Leising, G

机构：

[1] Politecn Milan, Dipartimento Fis, Ist Nazl Fis Mat, CEQSE,CNR, I-20133 Milan, Italy

[2] Graz Tech Univ, Inst Festkorperphys, A-8010 Graz, Austria

[3] Univ Sassari, Ist Matemat & Fis, I-07100 Sassari, Italy

来源：

SYNTHETIC METALS | 1999年 / 101卷 / 1-3期

关键词：

stimulated luminescence; other conjugated polymers;

D O I：

10.1016/S0379-6779(98)00838-8

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We applied femtosecond pump-probe spectroscopy to a guest-host system of conjugated polymers, the blue-emitting poly(para-phenylene) (m-LPPP) and the red-emitting poly(perylene-co-diethynylbenzene) (PPDB). Excitation energy transfer between m-LPPP and PPDB, monitored by the formation of the PPDB photobleaching band at 2.15 eV, takes place on a picosecond time scale. The nonexponential kinetics of the excitation energy transfer and its dependence on acceptor (PPDB) concentration provide clear evidence for a Forster-type energy transfer.

引用

页码：306 / 307

页数：2

共 17 条

[1]

Berggren M, 1997, NATURE, V389, P466

[2] DYNAMICS OF EXCITATION TRANSFER IN DYE-DOPED PI-CONJUGATED POLYMERS [J].

BOLIVAR, PH ;

WEGMANN, G ;

KERSTING, R ;

DEUSSEN, M ;

LEMMER, U ;

MAHRT, RF ;

BASSLER, H ;

GOBEL, EO ;

KURZ, H .

CHEMICAL PHYSICS LETTERS, 1995, 245 (06) :534-538

[3] Excited-state dynamics of poly(para-phenylene)-type ladder polymers at high photoexcitation density [J].

Cerullo, G ;

Stagira, S ;

Nisoli, M ;

De Silvestri, S ;

Lanzani, G ;

Kranzelbinder, G ;

Graupner, W ;

Leising, G .

PHYSICAL REVIEW B, 1998, 57 (20) :12806-12811

[4] *ZWISCHENMOLEKULARE ENERGIEWANDERUNG UND FLUORESZENZ [J].

FORSTER, T .

ANNALEN DER PHYSIK, 1948, 2 (1-2) :55-75

[5] Femtosecond relaxation of photoexcitations in a poly(para-phenylene)-type ladder polymer [J].

Graupner, W ;

Leising, G ;

Lanzani, G ;

Nisoli, M ;

DeSilvestri, S ;

Scherf, U .

PHYSICAL REVIEW LETTERS, 1996, 76 (05) :847-850

[6]

GRAUPNER W, 1997, 43 SOC PLAST ENG, P1449

[7] ELECTROLUMINESCENCE OF PURE POLY(N-VINYLCARBAZOLE) AND ITS BLENDS WITH A MULTIBLOCK COPOLYMER [J].

HU, B ;

YANG, Z ;

KARASZ, FE .

JOURNAL OF APPLIED PHYSICS, 1994, 76 (04) :2419-2422

[8] Cooperative effects in blue light emission of poly-(para-phenylene)-type ladderpolymer [J].

Kranzelbinder, G ;

Nisoli, M ;

Stagira, S ;

DeSilvestri, S ;

Lanzani, G ;

Mullen, K ;

Scherf, U ;

Graupner, W ;

Leising, G .

APPLIED PHYSICS LETTERS, 1997, 71 (19) :2725-2727

[9] Energy transfer in a blend of electroluminescent conjugated polymers [J].

Lee, JI ;

Kang, IN ;

Hwang, DH ;

Shim, HK ;

Jeoung, SC ;

Kim, S .

CHEMISTRY OF MATERIALS, 1996, 8 (08) :1925-1929

[10] SINGLET EXCITON ENERGY-TRANSFER IN ORGANIC SOLIDS [J].

POWELL, RC ;

SOOS, ZG .

JOURNAL OF LUMINESCENCE, 1975, 11 (1-2) :1-45

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