Description of exciton transport in a TiO2/MEH-PPV heterojunction photovoltaic material

被引：16

作者：

Kawata, K

Burlakov, VM

Carey, MJ

Assender, HE

Briggs, GAD

Ruseckas, A

Samuel, IDW

机构：

[1] Univ Oxford, Dept Mat Sci, Oxford OX1 3PH, England

[2] Univ St Andrews, Sch Phys & Astron, St Andrews KY16 9SS, Fife, Scotland

来源：

SOLAR ENERGY MATERIALS AND SOLAR CELLS | 2005年 / 87卷 / 1-4期

关键词：

organic-inorganic composite solar cell; exciton transport in amorphous materials; internal quantum efficiency of a solar cell (incident photon to conducting electron conversion efficiency IPCE);

D O I：

10.1016/j.solmat.2004.07.046

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

A model for exciton transport in conjugated polymers has been developed taking into account inhomogeneous broadening of exciton energy level. Time-resolved photoluminescence data were used to determine the parameters of the model, such as exciton lifetime, effective number of exciton energy levels within inhomogeneously broadened density of states, hopping distance and hopping rate constants for excitons. Using the developed model a non-monoexponential decay of photoluminescence of the conjugated polymer deposited on TiO2 substrate was described, and the spectrum of internal quantum efficiency of the heterojunction photovoltaic device based on the conjugated polymer with a nanocrystalline TiO2 layer was predicted. (c) 2004 Elsevier B.V. All rights reserved.

引用

收藏

页码：715 / 724

页数：10

相关论文

共 12 条

[1] Ultrafast and long-lived photoinduced charge separation in MEH-PPV/nanoporous semiconductor thin film composites [J].

Anderson, NA ;

Hao, EC ;

Ai, X ;

Hastings, G ;

Lian, TQ .

CHEMICAL PHYSICS LETTERS, 2001, 347 (4-6) :304-310

[2] Interchain vs. intrachain energy transfer in acceptor-capped conjugated polymers [J].

Beljonne, D ;

Pourtois, G ;

Silva, C ;

Hennebicq, E ;

Herz, LM ;

Friend, RH ;

Scholes, GD ;

Setayesh, S ;

Müllen, K ;

Brédas, JL .

PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 2002, 99 (17) :10982-10987

[3] Nanocomposite titanium dioxide/polymer photovoltaic cells:: effects of TiO2 microstructure, time and illumination power. [J].

Carey, MJ ;

Burlakov, VM ;

Henry, BM ;

Kirov, KR ;

Webster, GR ;

Assender, HE ;

Briggs, GAD ;

Burn, PL ;

Grovenor, CRM .

ORGANIC PHOTOVOLTAICS IV, 2004, 5215 :32-40

[4] Laminated fabrication of polymeric photovoltaic diodes [J].

Granström, M ;

Petritsch, K ;

Arias, AC ;

Lux, A ;

Andersson, MR ;

Friend, RH .

NATURE, 1998, 395 (6699) :257-260

[5] MEASUREMENT OF ABSOLUTE PHOTOLUMINESCENCE QUANTUM EFFICIENCIES IN CONJUGATED POLYMERS [J].

GREENHAM, NC ;

SAMUEL, IDW ;

HAYES, GR ;

PHILLIPS, RT ;

KESSENER, YARR ;

MORATTI, SC ;

HOLMES, AB ;

FRIEND, RH .

CHEMICAL PHYSICS LETTERS, 1995, 241 (1-2) :89-96

[6] Site-selective fluorescence studies of poly(p-phenylene vinylene) and its derivatives [J].

Harrison, NT ;

Baigent, DR ;

Samuel, IDW ;

Friend, RH ;

Grimsdale, AC ;

Moratti, SC ;

Holmes, AB .

PHYSICAL REVIEW B, 1996, 53 (23) :15815-15822

[7] Direct exciton quenching in single molecules of MEH-PPV at 77 K [J].

Mirzov, O ;

Cichos, F ;

von Borczyskowski, C ;

Scheblykin, IG .

CHEMICAL PHYSICS LETTERS, 2004, 386 (4-6) :286-290

[8] DYNAMICS OF SINGLET EXCITATIONS IN CONJUGATED POLYMERS - POLY(PHENYLENEVINYLENE) AND POLY(PHENYLPHENYLENEVINYLENE) [J].

MOLLAY, B ;

LEMMER, U ;

KERSTING, R ;

MAHRT, RF ;

KURZ, H ;

KAUFFMAN, HF ;

BASSLER, H .

PHYSICAL REVIEW B, 1994, 50 (15) :10769-10779

[9] Energy transfer in a conjugated polymer with reduced inter-chain coupling [J].

Ruseckas, A ;

Theander, M ;

Valkunas, L ;

Andersson, MR ;

Inganas, O ;

Sundstrom, V .

JOURNAL OF LUMINESCENCE, 1998, 76-7 :474-477

[10] Picosecond time-resolved photoluminescence of PPV derivatives [J].

Samuel, IDW ;

Rumbles, G ;

Collison, CJ ;

Friend, RH ;

Moratti, SC ;

Holmes, AB .

SYNTHETIC METALS, 1997, 84 (1-3) :497-500