Charge separation and fullerene triplet formation in blend films of polyfluorene polymers with [6,6]-phenyl C61 butyric acid methyl ester

Dalton Transactions

Volumn , Issue 45, 2009, Pages 10000-10005

  Benson Smith, Jessica J ^a   Ohkita, Hideo ^b   Cook, Steffan ^a   Durrant, James R ^a   Bradley, Donal D C ^a   Nelson, Jenny ^a  

^a IMPERIAL COLLEGE LONDON   (United Kingdom)

^b KYOTO UNIVERSITY   (Japan)

Author keywords

[No Author keywords available]

Indexed keywords

BLEND FILMS; BUTYRIC ACIDS; CHARGE SEPARATIONS; CHARGE-SEPARATED STATE; ENERGY DIFFERENCES; INTERSYSTEM CROSSING; IONISATION POTENTIAL; METHYL ESTERS; OPTICAL SPECTROSCOPY; PHOTOINDUCED CHARGE SEPARATION; POLYFLUORENES; SINGLET STATE; STEADY STATE;

ACIDS; ELECTRIC CHARGE; ELECTRON AFFINITY; ENERGY TRANSFER; ESTERIFICATION; ESTERS; FATTY ACIDS; FULLERENES; IONIZATION; POLYMERS;

SEPARATION;

EID: 72749123747     PISSN: 14779226     EISSN: 14779234     Source Type: Journal    
DOI: 10.1039/b910675h     Document Type: Article

References (27)

1. M. D. Irwin B. Buchholz A. W. Hains R. P. H. Chang T. J. Marks p-Type semiconducting nickel oxide as an efficiency-enhancing anode interfacial layer in polymer bulk-heterojunction solar cells Proc. Natl. Acad. Sci. U. S. A. 2008 105 2783
2. J. Peet J. Y. Kim N. E. Coates W. L. Ma D. Moses A. J. Heeger G. C. Bazan Efficiency enhancement in low-bandgap polymer solar cells by processing with alkane dithiols Nat. Mater. 2007 6 497
3. L. J. A. Koster V. D. Mihailetchi P. W. M. Blom Ultimate efficiency of polymer/fullerene bulk heterojunction solar cells Appl. Phys. Lett. 2006 88 093511
4. M. C. Scharber D. Wuhlbacher M. Koppe P. Denk C. Waldauf A. J. Heeger C. L. Brabec Design rules for donors in bulk-heterojunction solar cells - Towards 10% energy-conversion efficiency Adv. Mater. 2006 18 789
5. M. Lenes G. Wetzelaer F. B. Kooistra S. C. Veenstra J. C. Hummelen P. W. M. Blom Fullerene bisadducts for enhanced open-circuit voltages and efficiencies in polymer solar cells Adv. Mater. 2008 20 2116
6. E. G. Wang L. Wang L. F. Lan C. Luo W. L. Zhuang J. B. Peng Y. Cao High-performance polymer heterojunction solar cells of a polysilafluorene derivative Appl. Phys. Lett. 2008 92 033307
7. H. Ohkita S. Cook Y. Astuti W. Duffy S. Tierney W. Zhang M. Heeney I. McCulloch J. Nelson D. D. C. Bradley J. R. Durrant Charge carrier formation in polythiophene/fullerene blend films studied by transient absorption spectroscopy J. Am. Chem. Soc. 2008 130 3030
8. D. Veldman O. Ipek S. C. J. Meskers J. Sweelssen M. M. Koetse S. C. Veenstra J. M. Kroon S. S. van Bavel J. Loos R. A. J. Janssen Compositional and electric field dependence of the dissociation of charge transfer excitons in alternating polyfluorene copolymer/fullerene blends J. Am. Chem. Soc. 2008 130 7721
9. T. Clarke A. Ballantyne F. Jamieson C. Brabec J. Nelson J. Durrant Transient absorption spectroscopy of charge photogeneration yields and lifetimes in a low bandgap polymer/fullerene film Chem. Commun. 2009 89
10. D. Veldman T. Offermans J. Sweelssen M. M. Koetse S. C. J. Meskers R. A. J. Janssen Triplet formation from the charge-separated state in blends of MDMO-PPV with cyano-containing acceptor polymers Thin Solid Films 2006 511-512 333
11. S. Westenhoff I. A. Howard J. M. Hodgkiss K. R. Kirov H. A. Bronstein C. K. Williams N. C. Greenham R. H. Friend Charge recombination in organic photovoltaic devices with high open-circuit voltages J. Am. Chem. Soc. 2008 130 13653
12. S. Cook H. Ohkita J. R. Durrant Y. Kim J. J. Benson-Smith J. Nelson D. D. C. Bradley Singlet exciton transfer and fullerene triplet formation in polymer-fullerene blend films Appl. Phys. Lett. 2006 89 101128
13. A. J. Campbell D. D. C. Bradley Dispersive electron transport in an electroluminescent polyfluorene copolymer measured by the current integration time-of-flight method Appl. Phys. Lett. 2001 79 2133
14. S. Janietz D. D. C. Bradley M. Grell C. Giebeler M. Inbasekaran E. P. Woo Electrochemical determination of the ionization potential and electron affinity of poly(9,9-dioctylfluorene) Appl. Phys. Lett. 1998 73 2453
15. P. Ravirajan S. A. Haque J. R. Durrant D. Poplavskyy D. D. C. Bradley J. Nelson Hybrid nanocrystalline TiO2 solar cells with a fluorene-thiophene copolymer as a sensitizer and hole conductor J. Appl. Phys. 2004 95 1473
16. R. Pacios J. Nelson D. D. C. Bradley C. J. Brabec Composition dependence of electron and hole transport in polyfluorene: [6,6]-phenyl C-61-butyric acid methyl ester blend films Appl. Phys. Lett. 2003 83 4764
17. M. Bernius M. Inbasekaran E. Woo W. Wu L. Wujkowski Fluorene-based polymer-preparation and applications J. Mater. Sci.: Mater. Electron. 2000 11 111
18. R. V. Bensasson E. Bienvenue C. Fabre J. M. Janot E. J. Land S. Leach V. Leboulaire A. Rassat S. Roux P. Seta Photophysical properties of three methanofullerene derivatives Chem.-Eur. J. 1998 4 270
19. J. K. J. van Duren X. N. Yang J. Loos C. W. T. Bulle-Lieuwma A. B. Sieval J. C. Hummelen R. A. J. Janssen Relating the morphology of poly(p-phenylene vinylene)/methanofullerene blends to solar-cell performance Adv. Funct. Mater. 2004 14 425
20. Clare Dyer-Smith Jessica J. Benson-Smith Donal D. C. Bradley Hideyuki Murat William J. Mitchell Sean E. Shaheen Saif A. Haque Jenny Nelson The effect of ionization potential and film morphology on exciplex formation and charge generation in blends of polyfluorene polymers and silole derivatives J. Phys. Chem. C 10.1021/jp9020307
21. J. J. Benson-Smith L. Goris K. Vandewal K. Haenen J. V. Manca D. Vanderzande D. D. C. Bradley J. Nelson Formation of a ground-state charge-transfer complex in polyfluorene/[6,6]-phenyl-C-61 butyric acid methyl ester (PCBM) blend films and its role in the function of polymer/PCBM solar cells Adv. Funct. Mater. 2007 17 451
22. M. Al-Ibrahim H. K. Roth M. Schroedner A. Konkin U. Zhokhavets G. Gobsch P. Scharff S. Sensfuss The influence of optoelectronic properties of poly(3-alkythiophenes) on device parameters in flexible polymer solar cells Org. Electron. 2005 6 65
23. D. Veldman S. C. J. Meskers R. A. J. Janssen The Energy of Charge-Transfer States in Electron Donor-Acceptor Blends: Insight into the Energy Losses in Organic Solar Cells Adv. Funct. Mater. 2009 19 1939
24. L. Goris A. Poruba L. Hod'akova M. Vanecek K. Haenen M. Nesladek P. Wagner D. Vanderzande L. De Schepper J. V. Manca Observation of the subgap optical absorption in polymer-fullerene blend solar cells Appl. Phys. Lett. 2006 88 052113
25. L. Goris K. Haenen M. Nesladek P. Wagner D. Vanderzande L. D. Schepper J. D'Haen L. Lutsen J. V. Manca Absorption phenomena in organic thin films for solar cell applications investigated by photothermal deflection spectroscopy J. Mater. Sci. 2005 40 1413
26. J. Nelson Diffusion-limited recombination in polymer-fullerene blends and its influence on photocurrent collection Phys. Rev. B 2003 67
27. R. Schueppel K. Schmidt C. Uhrich K. Schulze D. Wynands J. L. Bredas E. Brier E. Reinold H. B. Bu P. Baeuerle B. Maennig M. Pfeiffer K. Leo Optimizing organic photovoltaics using tailored heterojunctions: A photoinduced absorption study of oligothiophenes with low band gaps Phys. Rev. B: Condens. Matter Mater. Phys. 2008 77 085311