Light-assisted deep-trapping of holes in conjugated polymers

Proceedings of the National Academy of Sciences of the United States of America

Volumn 106, Issue 5, 2009, Pages 1342-1346

  Bolinger, Josh C ^a   Fradkin, Leonid ^a   Lee, Kwang Jik ^a   Palacios, Rodrigo E ^a   Barbara, Paul F ^a  

^a The University of Texas at Austin   (United States)

Author keywords

Charge injection; Nanoparticle; Single molecule spectroscopy

Indexed keywords

CARBAZOLE DERIVATIVE; POLY[2 METHOXY 5 (2 ETHYLHEXYLOXY) 1,4 PHENYLENEVINYLENE]; POLYMER; UNCLASSIFIED DRUG;

ARTICLE; CHEMICAL REACTION; CONJUGATION; CONTROLLED STUDY; DEVICE; ELECTRICITY; ELECTRONICS; FLUORESCENCE SPECTROSCOPY; IMAGING; LIGHT EMITTING DIODE; LIGHT RELATED PHENOMENA; PRIORITY JOURNAL; SPECTROSCOPY;

EID: 60849111958     PISSN: 00278424     EISSN: 10916490     Source Type: Journal    
DOI: 10.1073/pnas.0811900106     Document Type: Article

References (38)

1. Seeley AJAB, Friend RH, Kim J-S, Burroughes JH (2004) Trap-assisted hole injection and quantum efficiency enhancement in poly(9,9' dioctylfluorene-alt- benzothiadiazole) polymer light-emitting diodes. J Appl Phys 96:7643-7649.
2. Muller EM, Marohn JA (2005) Microscopic evidence for spatially inhomogeneous charge trapping in pentacene. Advanced Materials 17:1410-1414.
3. Salleo A, Street RA (2004) Kinetics of bias stress and bipolaron formation in polythiophene. Phys Rev B Condens Matter 70:235324/1-235324/8.
4. Lang DV, Chi X, Siegrist T, Sergent AM, Ramirez AP (2004) Bias-dependent generation and quenching of defectsin pentacene. Phys Rev Lett 93:076601/1-076601/4.
5. Campbell AJ, Bradley DDC, Antoniadis H (2001) Dispersive electron transport in an electroluminescent polyfluorene copolymer measured by the current integration time- of-flight method. Appl Phys Lett 79:2133-2135.
6. Jaquith M, Muller EM, Marohn JA (2007) Time-resolved electric force microscopy of charge trapping in polycrystalline pentacene. J Phys Chem B 111:7711-7714.
7. Coffey DC, Ginger DS (2006) Time-resolved electrostatic force microscopy of polymer solar cells. Nat Mater 5:735-740.
8. Sinha S, Monkman AP (2005) Delayed recombination of detrapped space-charge carriers in poly[2-methoxy-5-(2'-ethyl-hexyloxy)-1,4-phenylene vinylene]-based light- emitting diode. J Appl Phys 97:114505.
9. Schmechel R, von Seggern H (2004) Electronic traps in organic transport layers. Physica Status Solidi A, Applied Research 201:1215-1235.
10. Giebeler C, et al. (1999) Optical studies of electric fields in poly(2-methoxy-5-ethyl(2'- hexyloxy) para-phenylene vinylene) light-emitting diodes. Appl Phys Lett 74:3714-3716.
11. Feller F, Geschke D, Monkman AP (2003) Decay of space charge in conjugate dpolymers measured using pyroelectric currenttransients. J Appl Phys 93:2884-2889.
12. Meier M, Karg S, Zuleeg K, Brutting W, Schwoerer M (1998) Determination of trapping parameters in poly(p-phenylenevinylene) light-emitting devices using thermally stimulated currents. J Appl Phys 84:87-92.
13. Yakimov AV, Savvate'ev VN, Davidov D (2000) The role of traps in polymer-based light-emitting devices. Synth Met 115:51-56.
14. Salleo A, Street RA (2003) Light-induced bias stress reversal in polyfluorene thin-film transistors. J Appl Phys 94:471-479.
15. Gundlach DJ,Jackson TN,Schlom DG,Nelson SF(1999)Solvent-induced phase transition in thermally evaporated pentacene films. Appl Phys Lett 74:3302-3304.
16. Northrup JE, Chabinyc ML (2003) Gap states in organic semiconductors: Hydrogen-and oxygen-induced states in pentacene. Phys Rev B 68:041202.
17. Rep DBA, Morpurgo AF, Sloof WG, Klapwijk TM (2003) Mobile ionic impurities in organic semiconductors. J Appl Phys 93: 2082-2090.
18. Zilker SJ, Detcheverry C, Cantatore E, de Leeuw DM (2001) Bias stress in organic thin-film transistors and logic gates. Appl Phys Lett 79:1124-1126.
19. Gomes HL, et al. (1999) Analysis of deep levels in a phenylenevinylene polymer by transient capacitance methods. Appl Phys Lett 74:1144-1146.
20. Matters M, De Leeuw DM, Herwig PT, Brown AR (1999) Bias-stress induced instability of organic thin film transistors. Synth Met 102:998-999.
21. Goldmann C, Gundlach DJ, Batlogg B (2006) Evidence of water-related discrete trap state formation in pentacene single-crystal field-effect transistors. Appl Phys Lett 88:063501/1-063501/3.
22. Kagan CR, Afzali A, Graham TO (2005) Operational and environmental stability of pentacene thin-film transistors. Appl Phys Lett 86:193505.
23. Jurchescu OD, BaasJ, Palstra TTM (2005) Electronic transport properties of pentacene single crystals upon exposure to air. Appl Phys Lett 87:052102.
24. Chang JB, Subramanian V (2006) Effect of active layer thickness on bias stress effect in pentacene thin-film transistors. Appl Phys Lett 88:233513/1-233513/3.
25. Gomes HL, et al. (2004) Bias-induced threshold voltages shifts in thin-film organic transistors. Appl Phys Lett 84:3184-3186.
26. Kadashchuk A, Schmechel R, von Seggern H, Scherf U, Vakhnin A (2005) Charge-carrier trapping in polyfluorene-type conjugated polymers. J Appl Phys 98:024101/1-024101/8.
27. Muller JG, Lemmer U, Feldmann J, Scherf U (2002) Precursor states for charge carrier generation in conjugated polymers probed by ultrafast spectroscopy. Phys Rev Lett 88:147401.
28. Lupton JM, Nikitenko VR, Samuel IDW, Bassler H (2001) Time delayed electroluminescence overshoot in single layer polymer light-emitting diodes due to electrode luminescence quenching. J Appl Phys 89:311-317.
29. Vorotyntsev MA, Heinze J (2001) Charging process in electron conducting polymers: Dimerization model. Electrochim Acta 46:3309-3324.
30. Crosslight Software Inc. (2004-2005) APSYS User's Manual and Reference Manual, Version 2007.3 (Crosslight Software Inc., Burnaby, BC, Canada).
31. Park S-J, Gesquiere AJ, Yu J, Barbara PF (2004) Charge injection and photooxidation of single conjugated polymer molecules. J Am Chem Soc 126:4116-4117.
32. Palacios RE, Fan F-RF, Bard AJ, Barbara PF (2006) Single-molecule spectroelectrochemistry (SMS-EC). J Am Chem Soc 128:9028-9029.
33. Gesquiere AJ, Park SJ, Barbara PF (2004) F-V/SMS: A new technique for studying the structure and dynamics of single molecules and nanoparticles. J Phys Chem B 108:10301-10308.
34. Gesquiere AJ, Lee YJ, Yu J, Barbara PF (2005) Single molecule modulation spectroscopy of conjugated polymers. J Phys Chem B 109:12366-12371.
35. Gesquiere AJ, Park S-J, Barbara PF (2005) Hole-induced quenching of triplet and singlet excitons in conjugated polymers. J Am Chem Soc 127:9556-9560.
36. Fung MK, et al. (2003) Distinct interfaces of poly (9,9-dioctylfluorene-co-benzothiadiazole) with cesium and calcium as observed by photoemission spectroscopy. J Appl Phys 94:5763-5770.
37. Chua LL, et al. (2005) General observation of n-type field-effect behaviour in organic semiconductors. Nature 434:194-199.
38. Yip WT, Hu DH, Yu J, Vanden Bout DA, Barbara PF (1998) Classifying the photophysical dynamics of single-and multiple-chromophoric molecules by single molecule spectros-copy. J Phys Chem A 102:7564-7575.