Imaging the fluorescence decay lifetime of a conjugated-polymer blend by using a scanning near-field optical microscope

被引：43

作者：

Cadby, Ashley J. ^{[1
]}

Dean, Richard ^{[1
]}

Elliott, Claire ^{[1
]}

Jones, Richard A. L. ^{[1
]}

Fox, A. Mark ^{[1
]}

Lidzey, David G. ^{[1
]}

机构：

[1] Univ Sheffield, Dept Phys & Astron, Sheffield S3 7RH, S Yorkshire, England

来源：

ADVANCED MATERIALS | 2007年 / 19卷 / 01期

基金：

英国工程与自然科学研究理事会;

关键词：

D O I：

10.1002/adma.200601715

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A conjugated polymer blend is studied by time-resolved scanning near-field optical microscopy. The blend undergoes strong phase separation on spin-casting. The fluorescence lifetime of the F8BT emission is strongly dependent on the relative phase in which it is located (see figure and cover). This effect is manifested by a significant concentration-dependent variation in the overall photolummescence quantum efficiency of the film.

引用

页码：107 / +

页数：6

共 43 条

[1] Nanolayered heterojunctions of donor and acceptor conjugated polymers of interest in light emitting and photovoltaic devices: Photoinduced electron transfer at polythiophene/polyquinoline interfaces [J].

Alam, MM ;

Jenekhe, SA .

JOURNAL OF PHYSICAL CHEMISTRY B, 2001, 105 (13) :2479-2482

[2] Nanoscale electrical characterization of semiconducting polymer blends by conductive atomic force microscopy [J].

Alexeev, A ;

Loos, J ;

Koetse, MM .

ULTRAMICROSCOPY, 2006, 106 (03) :191-199

[3] Two-dimensional polymers investigated by scanning near-field optical microscopy: Phase separation of polymer blend monolayer [J].

Aoki, H ;

Ito, S .

JOURNAL OF PHYSICAL CHEMISTRY B, 2001, 105 (20) :4558-4564

[4] Vertically segregated polymer-blend photovoltaic thin-film structures through surface-mediated solution processing [J].

Arias, AC ;

Corcoran, N ;

Banach, M ;

Friend, RH ;

MacKenzie, JD ;

Huck, WTS .

APPLIED PHYSICS LETTERS, 2002, 80 (10) :1695-1697

[5] Photovoltaic performance and morphology of polyfluorene blends: A combined microscopic and photovoltaic investigation [J].

Arias, AC ;

MacKenzie, JD ;

Stevenson, R ;

Halls, JJM ;

Inbasekaran, M ;

Woo, EP ;

Richards, D ;

Friend, RH .

MACROMOLECULES, 2001, 34 (17) :6005-6013

[6] The effect of morphology on the temperature-dependent photoluminescence quantum efficiency of the conjugated polymer poly(9, 9-dioctylfluorene) [J].

Ariu, M ;

Lidzey, DG ;

Sims, M ;

Cadby, AJ ;

Lane, PA ;

Bradley, DDC .

JOURNAL OF PHYSICS-CONDENSED MATTER, 2002, 14 (42) :9975-9986

[7] Morphology and field-effect mobility of charge carriers in binary blends of poly(3-hexylthiophene) with poly [2-methoxy-5-(2-ethylhexoxy)-1,4-phenylenevinylene] and polystyrene [J].

Babel, A ;

Jenekhe, SA .

MACROMOLECULES, 2004, 37 (26) :9835-9840

[8]

Bernius MT, 2000, ADV MATER, V12, P1737, DOI 10.1002/1521-4095(200012)12:23<1737::AID-ADMA1737>3.0.CO

[9]

2-N

[10] Electroluminescent devices based on cross-linked polymer blends [J].

Bozano, LD ;

Carter, KR ;

Lee, VY ;

Miller, RD ;

DiPietro, R ;

Scott, JC .

JOURNAL OF APPLIED PHYSICS, 2003, 94 (05) :3061-3068

← 1 2 3 4 5 →