X-ray scattering from films of semiconducting polymers

Polymer Reviews

Volumn 48, Issue 3, 2008, Pages 463-492

  Chabinyc, Michael L ^a  

^a PALO ALTO RESEARCH CENTER   (United States)

Author keywords

Semiconducting polymers; Thin films; X ray scattering

Indexed keywords

CO-POLYMERS; MICROSTRUCTURAL FEATURES; MOLECULAR PACKING STRUCTURE; POLYCRYSTALLINE THIN FILMS; POLYFLUORENES; POLYTHIOPHENES; PROCESSING CONDITIONS; SYNCHROTRON X RAYS;

AMORPHOUS MATERIALS; ANNEALING; FILMS; MICROSTRUCTURAL EVOLUTION; MICROSTRUCTURE; POLYMERS; SCATTERING; SEMICONDUCTING FILMS; SULFUR COMPOUNDS; THICK FILMS; THIN FILM DEVICES; THIN FILM TRANSISTORS; THIN FILMS; THIOPHENE; TRANSISTORS; VAPOR DEPOSITION; X RAY SCATTERING;

SEMICONDUCTING POLYMERS;

EID: 49249136908     PISSN: 15583724     EISSN: 15583716     Source Type: Journal    
DOI: 10.1080/15583720802231734     Document Type: Article

References (117)

1. Friend, R. H.; Gymer, R. W.; Holmes, A. B.; Burroughes, J. H.; Marks, R. N.; Taliani, C.; Bradley, D. D. C.; Santos, D. A. D.; Brédas, J. L.; Lögdlund, M.; Salaneck, W. R. "Electroluminescence in conjugated polymers", Nature 1999, 397.
2. Organic Light Emitting Devices: Synthesis, Properties, and Applications; Müllen, K., Scherf, U., Eds.; Wiley-VCH: Weinheim, Germany, 2006.
3. Coakley, K. M.; McGehee, M. D. "Conjugated polymer photovolatic cells", Chem. Mater. 2004, 16, 4533-4542.
4. Chabinyc, M. L.; Salleo, A. "Materials requirements and fabrication of active matrix arrays of organic thin-film transistors for displays", Chem. Mater. 2004, 16, 4509-4521.
5. Sirringhaus, H. "Device physics of solution-processed organic field-effect transistors", Adv. Mater. 2005, 17, 2411-2425.
6. Donald, A.; Windle, A.; Hanna, S. Liquid Crystalline Polymers, 2nd edn.; Cambridge University Press: Cambridge, 2006.
7. Salleo, A. "Charge transport in polymeric transistors", Materials Today 2007, 10, 38-45.
8. Coropceanu, V.; Cornil, J.; Filho, D.; Olivier, Y.; Silbey, R.; Brédas, J.-L. "Charge transport in organic semiconductors", Chem. Rev. 2007, 107, 926-952.
9. Warren, B. E. X-ray Diffraction, 1990 reprint edn.; Dover, New York, 1969.
10. Guinier, A. X-ray Diffraction in Crystals, Imperfect Crystals, and Amorphous Bodies, 1994 reprint edn.; Dover, New York, 1963.
11. Wang, Y.; Rafailovich, M.; Sokolov, J.; Gersappe, D.; Araki, T.; Zou, Y.; Kilcoyne, A. D. L.; Ade, H.; Marom, G.; Lustiger, A. "Substrate effect on the melting temperature of thin polyethylene films", Phys. Rev. Lett. 2006, 96, 028303.
12. Campoy-Quiles, M.; Sims, M.; Etchegoin, P. G.; Bradley, D. D. C. "Thickness-dependent thermal transition temperatures in thin conjugated polymer films", Macromolecules 2006, 39, 7673-7680.
13. Gurau, M. C.; Delongchamp, D. M.; Vogel, B. M.; Lin, E. K.; Fischer, D. A.; Sambasivan, S.; Richter, L. J. "Measuring molecular order in poly(3-alkythiophene) thin films with polarizing spectroscopies", Langmuir 2007, 23, 834-842.
14. Rabolt, J. F.; Hofer, D.; Miller, R. D.; Fickes, G. N. "Studies of chain conformational kinetics in poly(di-n-alkylsilanes) by spectroscopic methods. 1. Poly(di-n-hexylsilane), poly(di-n-heptylsilane), and poly(di-n-octylsilane)", Macromolecules 1986, 19, 611-616.
15. Cahen, D.; Kahn, A.; Umbach, E. "Energetics of interfaces between molecules and conductors", Materials Today 2005, 8, 32-41.
16. Jiang, X. M.; Österbacka, R.; Korovyanko, O.; An, C. P.; Horovitz, B.; Janssen, R. A. J.; Vardeny, Z. V. "Spectroscopic studies of photoexcitations in regioregular and regiorandom polythiophene films", Adv. Func. Mater. 2002, 12, 587-597.
17. Pattison, L. R.; Hexemer, A.; Kramer, E. J.; Krishnan, S.; Petroff, P. M.; Fischer, D. A. "Probing the ordering of semiconducting fluorene-thiophene copolymer surfaces on rubbed polyimide substrates by near-edge X-ray absorption fine structure", Macromolecules 2006, 39, 2225-2231.
18. DeLongchamp, D. M.; Kline, R. J.; Lin, E. K.; Fischer, D. A.; Richter, L. J.; Lucas, L. A.; Heeney, M.; McCulloch, I.; Northrup, J. E. "High carrier mobility polythiophene thin films: structure determination by experiment and theory", Adv. Mater. 2007, 19, 833-837.
19. Voigt-Martin, I. G.; Simon, P.; Bauer, S.; Ringsdorf, H. "Structure and defects in sanidic liquid crystalline polymers 1", Macromolecules 1995, 28, 236-242.
20. Kline, R. J.; McGehee, M. D. "Morphology and charge transport in conjugated polymers", J. Macromolec. Sci. Part C. Polymer Rev. 2006, 46, 27-45.
21. Tolin, M. X-Ray Scattering from Soft-Matter Thin Films: Materials Science and Basic Research; Springer-Verlag: Berlin, 1999.
22. Roe, R.-J. Methods of X-Ray and Neutron Scattering in Polymer Science; Oxford University Press: New York, 2000.
23. Toney, M. F.; Huang, T. C.; Brennan, S.; Rek, Z. "X-ray depth profiling of iron oxide thin films", J. Mater. Res. 1988, 3, 351-356.
24. Miller, R. D.; Michl, J. "Polysilane high polymers", Chem. Rev. 1989, 89, 1359-1410.
25. Shimoda, T.; Matsuki, Y.; Furusawa, M.; Aoki, T.; Yudasaka, I.; Tanaka, H.; Iwasawa, H.; Wang, D.; Miyasaka, M.; Takeuchi, Y. "Solution-processed silicon films and transistors", Nature 2006, 440, 783-786.
26. 2 substrate with grazing incidence X-ray diffraction", J. Am. Chem. Soc. 2004, 126, 4084-4085.
27. Patnaik, S. S.; Farmer, B. L. "X-ray structure determination of poly(di-n-hexylsilane)", Polymer 1992, 33, 4443-4450.
28. Prosa, T. J.; Winokur, M. J.; Moulton, J.; Smith, P.; Heeger, A. J. "X-ray structural studies of poly(3-alkythiophenes): an example of an inverse comb", Macromolecules 1992, 25, 4364-4372.
29. Chen, S. H.; Chou, L. H.; Su, A. C.; Chen, S. A. "Molecular packing in crystalline poly(9,9-din-octyl-2,7-fluorene)", Macromolecules 2004, 37, 6833-6838.
30. Winokur, M. J.; West, R. "X-ray diffraction and molecular modeling studies of poly(di-n-alkylsilanes): The near planar type phases of poly(di-n-butylsilane) and poly(di-n-hexylsilane)", Macromolecules 2003, 36, 7338-7347.
31. Stepanyan, R.; Subbotin, A.; Knaapila, M.; Ikkala, O.; Brinke, G. T. "Self-organization of hairy-rod polymers", Macromolecules 2003, 36, 3758-3763.
32. Grell, M.; Bradley, D. D. C.; Long, X.; Chamberlain, T.; Inbasekaran, M.; Woo, E. P.; Soliman, M. "Chain geometry, solution aggregation and enhanced dichroism in the liquid crystalline conjugated polymer poly(9,9- dioctylfluorene)", Acta Polym. 1998, 49, 439-444.
33. Knaapila, M.; Stepanyan, R.; Lyons, B. P.; Torkkeli, M.; Monkman, A. P. "Towards general guidelines for aligned, nanoscale assemblies of hairy-rod polyfluorene", Adv. Func. Mater. 2006, 16, 599-609.
34. Grell, M.; Bradley, D. D. C.; Ungar, G.; Hill, J.; Whitehead, K. S. "Interplay of physical structure and photophysics for a liquid crystalline polyfluorene", Macromolecules 1999, 32, 5810-5817.
35. Kawana, S.; Durrell, M.; Lu, J.; Macdonald, J. E.; Grell, M.; Bradley, D. D. C.; Jukes, C.; Jones, R. A. L.; Bennett, S. L. "X-ray diffraction study of the structure of thin polyfluorene films", Polymer 2002, 43, 1907-1913.
36. Chen, S. H.; Su, A. C.; Su, H.; Chen, S. A. "Crystalline forms and emission behavior of poly(9,9-di-n-octyl-2,7-fiuorene)", Macromolecules 2005, 38, 279-385.
37. Osterbacka, R.; An, C. P.; Jiang, X. M.; Vardeny, Z. V. "Two-dimensional electronic excitations in self-assembled conjugated polymer nanocrystals", Science 2000, 287, 839-842.
38. Sirringhaus, H.; Brown, P. J.; Friend, R. H.; Nielsen, M. M.; Bechgaard, K.; Langeveld-Voss, B. M. W.; Spiering, A. J. H.; Janssen, R. A. J.; Meijer, E. W.; Herwig, P.; De Leeuw, D. M. "Two-dimensional charge transport in self-organized, high-mobility conjugated polymers", Nature 1999, 401, 685-688.
39. Ballauff, M. "Stiff-chain polymers - structure, phase behavior, and properties", Angew. Chem., Int. Ed. Engl. 1989, 28, 253-267.
40. Cervinka, L.; Ballauff, M. "Rigid-rod polymers with flexible sidechains 9. wide-angle X-ray analysis of side-chain ordering in poly(1,4-phenylene-2,5-di-n-hexadecyloxyterephthalate", Coll. Polym. Sci. 1992, 270, 859-872.
41. Steuer, M.; Horth, M.; Ballauff, M. "Rigid rod polymers with flexible side chains. X. Thermotropic mesophases from aromatic stiff-chain polyamides bearing n-alkoxy side chains", J. Poly. Sci. A. 1993, 31, 1609-1619.
42. Watanabe, J.; Harkness, B. R.; Sone, M.; Ichimura, H. "Rigid-rod polyesters with flexible side chains. 4. Thermotropic behavior and phase structures in polyesters based on 1,4-dialkyl esters of pyromellitic acid and 4,4-bisphenol", Macromolecules 1994, 27, 507-512.
43. Prosa, T. J.; Winokur, M. J.; McCullough, R. D. "Evidence of a novel side chain structure in regioregular poly(3-alkylthiophenes)", Macromolecules 1996, 29, 3654-3656.
44. Prosa, T. J.; Moulton, J.; Heeger, A. J.; Winokur, M. J. "Diffraction line-shape analysis of poly(3-dodecylthiophene): a study of layer disorder through the liquid crystalline polymer transition", Macromolecules 1999, 32, 4000-4009.
45. Ong, B. S.; ;Wu, Y.; Liu, P.; Gardner, S. "High-performance semiconducting polythiophenes for organic thin-film transistors", J. Am. Chem. Soc. 2004, 126, 3378-3379.
46. McCulloch, I.; Heeney, M.; Bailey, Genevicius K.; Macdonald, I.; Shkunov, M.; Sparrowe, D.; Tierney, S.; Wagner, R.; Zhang, W.; Chabinyc, M. L.; Kline, R. J.; McGehee, M. D.; Toney, M. F. "Liquid-crystalline semiconducting polymers with high charge-carrier mobility", Nat. Mater. 2006, 5, 328-333.
47. Kline, R. J.; DeLongchamp, D. M.; Fischer, D. A.; Lin, E. K.; Richter, L. J.; Chabinyc, M. L.; Toney, M. F.; Heeney, M.; McCulloch, I. "Critical role of side-chain attachment density on the order and device performance of polythiophenes", Macromolecules 2007.
48. McCarthy, T. F.; Witteler, H.; Pakula, T.; Wegner, G. "Structure and properties of poly(2,5-di-n-dodecyl-1,4-phenylene) depending on chain length", Macromolecules 1995, 28, 8350-8362.
49. Vahlenkamp, T.; Wegner, G. "Poly(2,5-dialkoxy-p-phenylene)s - synthesis and properties", Macromol. Chem. Phys. 1994, 195, 1933-1952.
50. Kline, R. J.; McGehee, M. D.; Kadnikova, E. N.; Liu, J.; Frechet, J. M. J.; Toney, M. F. "Dependence of regioregular poly(3-hexylthiophene) film morphology and field-effect mobility on molecular weight", Macromolecules 2005, 38, 3312-3319.
51. Chang, J.-F.; Clark, J.; Zhao, N.; Sirringhaus, H.; Breiby, D. W.; Andreasen, J. W.; Nielsen, M. M.; Giles, M.; Heeney, M.; McCulloch, I. "Molecular-weight dependence of interchain polaron delocalization and exciten bandwidth in high-mobility conjugated polymers", Phys. Rev. B. 2006, 74, 115318.
52. Zen, A.; Pflaum, J.; Hirschmann, S.; Zhuang, W.; Jaiser, F.; Asawapiron, U.; Rabe, J. B.; Scherf, U.; Neher, D. "Effect of molecular weight and annealing of poly(3-hexylthiophene)s on the performance of organic field-effect transistors", Adv. Func. Mater. 2004, 14, 757-764.
53. Yang, H.; Shin, T. J.; Yang, L.; Cho, K.; Ryu, C. Y.; Bao, Z. "Effect of mesoscale crystalline structure on the field-effect mobility of regioregular poly(3-hexyl thiophene) in thin-film transistors", Adv. Func. Mater. 2005, 15, 671-676.
54. Zen, A.; Saphiannikova, M.; Neher, D.; Granzer, J.; Grigorian, S.; Pietsch, U.; Asawapirom, U.; Janietz, S.; Scherf, U.; Liberwirth, I.; Wegner, G. "Effect of moelcular weight on the structure and crystallnity of poly(3-hexylthiophene)", Macromolecules 2006, 39, 2162-2171.
55. Donley, C. L.; Zaumseil, J.; Andreasen, J. W.; Nielsen, M. M.; Sirringhaus, H.; Friend, R. H.; Kim, J.-S. "Effects of packing structure on the optoelectronic and charge transport properties in poly(9,9-di-n- octylfluorene-alt-benzothiadiazole)", J. Am. Chem. Soc. 2005, 127, 12890-12899.
56. Salleo, A.; Chabinyc, M. L.; Yang, M. S.; Street, R. A. "Polymer thin-film transistors with chemically modified dielectric interfaces", Appl. Phys. Lett. 2002, 81, 4383-4385.
57. Lucas, L. A.; DeLongchamp, D. M.; Vogel, B. M.; Lin, E. K.; Fasolka, M. J.; Fischer, D. A.; McCulloch, I.; Heeney, M.; Jabbour, G. E. "Combinatorial screening of the effect of temperature on the microstructure and mobility of a high performance polythiophene semiconductor", Appl. Phys. Lett. 2007, 90, 012112.
58. Kinder, L.; Kanicki, J.; Petroff, P. "Structural ordering and enhanced carrier mobility in organic polymer thin film transistors", Synth. Met. 2004, 146, 181-185.
59. Lim, E.; Jung, B.-J.; Lee, J.; Shim, H.-K.; Lee, J.-I.; Yang, Y.-S.; Do, L.-M. "Thin-film morphologies and solution-processable field-effect transistor behavior of a fluorene-thieno[3,2-b]thiophene based conjugated polymer", Macromolecules 2005, 38, 4531-4535.
60. Street, R. A.; Northrup, J. E.; Salleo, A. "Transport in polycrystalline polymer thin-film transistors", Phys. Rev. B. 2005, 71, 165202.
61. Kline, R. J.; Mcgehee, M. D.; Toney, M. F. "Highly oriented crystals at the buried interface in polythiophene thin-film transistors", Nat. Mater. 2006, 5, 222-228.
62. Zhang, R.; Li, B.; lovu, M. C.; Jeffries-EL, M.; Sauvé, G.; Cooper, J.; Jia, S.; Tristram-Nagle, S.; Smilgies, D. M.; Lambeth, D. N.; McCullough, R. D.; Kowalewski, T. "Nanostructure dependence of field-effect mobility in regioregular poly(3-hexylthiophene) thin film field effect transistors", J. Am. Chem. Soc. 2006, 128, 3480-3481.
63. Aasmundveit, K. E.; Samuelsen, E. J.; Guldstein, M.; Steinsland, C.; Flornes, O.; Fagermo, C.; Seeberg, T. M.; Pettersson, L. A. A.; Inganas, O.; Reidenhans, R.; Ferrer, S. "Structural anisotropy of poly(alkylthiophene) films", Macromolecules 2000, 33, 3120-3127.
64. Ong, B. S.; Wu, Y.; Liu, P.; Gardner, S. "Structurally ordered polythiophene nanoparticles for high-performance organic thin-film transistors", Adv. Mater. 2005, 17, 1141-1144.
65. Jimíson, L.; Salleo, A.; Chabinyc, M. L.; Toney, M. F. "X-ray scattering from thin films of PQT-12", submitted.
66. Chabinyc, M. L.; Toney, M. F.; Kline, R. J.; McCulloch, I.; Heeney, M. "X-ray scattering study of thin films of poly(2,-bis(3-alkylthiophen-2-yl) thieno[3,2-b]thiophene)", J. Am. Chem. Soc. 2007, 129, 3226-3237.
67. Song, H. H.; Wang, C.-S. "Novel anisotropic texture of rigid-rod poly(p-phenylene benzo-bisthiazole) film", Polymer 1993, 34, 4793-4795.
68. Song, H. H.; Fratini, A. V.; Chabinyc, M.; Price, G. E.; Agrawal, A. K.; Wang, C.-S.; Burkette, J.; Dudis, D. S.; Arnold, F. E. "Crystal structure and thin film morphology of BBL ladder polymer", Synth. Met. 1995, 69, 533-535.
69. Chang, J.-F.; Sun, B.; Breiby, D. W.; Nielsen, M. M.; Soiling, T. I.; Giles, M.; McCulloch, I.; Sirringhaus, H. "Enhanced mobility of poly(3-hexylthiophene) transistors by spin-coating from high-boiling-point solvents", Chem. Mater. 2004, 16, 4772-4776.
70. DeLongchamp, D. M.; Vogel, B. M.; Jung, Y.; Gurau, M. C.; Richter, A.; Kirillov, A.; Obrzut, J.; Fischer, D. A.; Sambasivan, S.; Richter, L. J.; Lin, E. K. "Variations in semiconducting polymer microstructure and hole mobility with spin-coating speed", Chem. Mater. 2005, 17, 5610-5612.
71. Geer, R. E.; Shashidhar, R.; Thibodeaux, A. F.; Duran, R. S. "X-ray diffuse scattering study of static undulations in multilayer films of a liquid-crystalline polymer", Phys. Rev. Lett. 1993, 71, 1391-1394.
72. Geer, R. E.; Shashidhar, R. "Crossover from static to thermal layer undulations in finite-size liquid-crystalline films", Phys. Rev. E. 1995, 51, R8-R11.
73. Despotopoulou, M. M.; Frank, C. W.; Miller, R. D.; Rabolt, J. F. "Kinetics of chain organization in ultrathin poly(di-n-hexylsilane) films", Macromolecules 1996, 29, 5795-5804.
74. Chabinyc, M. L.; Lujan, R.; Endicott, F.; Toney, M. F.; McCulloch, I; Heeney, M. "Effects of the surface roughness of plastic-compatible inorganic dielectrics on polymeric thin film transistors", Appl. Phys. Lett. 2007, 90, 233508.
75. Factor, B. J.; Russell, T. P.; Toney, M. F.; Miller, R. D. "Surface orientation of liquid crystalline poly(alkylsilanes)", Acta Poly. 1995, 46, 60-63.
76. Knaapila, M.; Lyons, B. P.; Kisko, K.; Foreman, J. P.; Vaino, U.; Mihaylova, M.; Seeck, O. H.; Pallson, L.-O.; Serimaa, R.; Torkkeli, M.; Monkman, A. P. "X-ray diffraction studies of multiple orientation in poly(9,9-bis(2-ethylhexyl)fluorene-2,7-diyl) thin films", J. Phys. Chem. B. 2003, 107, 12425-12430.
77. Knaapila, M.; Stepanyan, R.; Lyons, B. P.; Torkkeli, M.; Hase, T. P. A.; Serimaa, R.; Guntner, R.; Seeck, O. H.; Scherf, U.; Monkman, A. P. "The Influence of the molecular weight on the thermotropic alignment and self-organized structure formation of branched side chain hairy-rod polyfluorene in thin films", Macromolecules 2005, 38, 2744-2753.
78. Grévin, B.; Rannou, P.; Payerne, R.; Pron, A.; Travers, J.-P. "Scanning tunneling microscopy investigations of self-organized poly(3-hexylthiophene) two-dimensional polycrystals", Adv. Mater. 2003, 15, 881-884.
79. Jones, R. A. L.; Richards, R. W. Polymers at Surfaces and Interfaces; Cambridge University Press: Cambridge, 1999.
80. Zhao, N.; Botton, G. A; Zhu, S.; Duft, A.; Ong, B. S.; Wu, Y.; Liu, P. "Microscopic studies on liquid crystal poly(3,3-dialkylquaterthiophene) semiconductor", Macromolecules 2004, 37, 8307-8312.
81. Wu, Y.; Liu, P.; Ong, B. S.; Srikumar, T.; Zhao, N.; Botton, G.; Zhu, S. "Controlled orientation of liquid crystalline polythiophene semiconductors for high-performance organic thin-film transistors", Appl. Phys. Lett. 2005, 86, 142102.
82. Olsen, B. D.; Jang, S.-Y.; Luning, J. M.; Segalman, R. A. "Higher order liquid crystalline structure in low-polydispersity DEH-PPV", Macromolecules 2006, 39, 4469-4479.
83. Frank, C. W.; Rao, V.; Despotopoulou, M. M.; Pease, R. F. W.; Hinsberg, W. D.; Miller, R. D.; Rabolt, J. F. "Structure in thin and ultrathin spin-cast polymer films", Science 1996, 273, 912-915.
84. Kobashi, M.; Takeuichi, H. "Inhomogeneity of spin-coated and cast non-regioregular poly(3-hexylthiophene) films. Structures and electrical and photophysical properties", Macromolecules 1998, 31, 7273-7278.
85. Banach, M. J.; Friend, R. H.; Sirringhaus, H. "Influence of the casting solvent on the thermotropic alignment of thin liquid crystalline polyfluorene copolymer films", Macromolecules 2004, 37, 6079-6085.
86. Wenzel, M.; Ballauff, M.; Wegner, G. "Rigid rod polymers with flexible side chains, 4. Synthesis, structure and phase behavior of polyimides prepared from pyromellitic anhydride and 2,5-di-n-alkoxy-1,4-phenylene diisocyanates", Makromol. Chem. 1987, 188, 2865-2873.
87. Lovinger, A. J.; Schilling, F. C.; Bovey, F. A.; Zeigler, J. M. "Characterization of poly(di-n-hexylsilane) in the solid state. 1. X-ray and electron diffraction studies", Macromolecules 1986, 19, 2660-2663.
88. Despotopoulou, M. M.; Frank, C. W.; Miller, R. D.; Rabolt, J. F. "Role of the restricted geometry on the morphology of ultrathin poly(di-n-hexylsilane) films", Macromolecules 1995, 28, 6687-6688.
89. Yang, C.; Orfino, F. P.; Holdcroft, S. "A phenomenlogical model for predicting thermochromism of regioregular and nonregioregular poly(3-alkylthiophene)", Macromolecules 1996, 29, 6510-6517.
90. Yang, H.; Shin, T. J.; Bao, Z.; Ryu, C. Y. "Structural transistions of nanocrystalline domains in regioregular poly(3-hexylthiopehene) thin films", J. Poly. Sci. B. 2007, 45, 1303-1312.
91. Chabinyc, M. L.; Toney, M. F.; Heeney, F.; McCulloch, I. Unpublished.
92. Ewen, B.; Strobl, G. R.; Richter, D. "Phase Transitions in crystals of chain molecules. Relation between defect structures and molecular motion in the four modifications of n-C33H68", Faraday Discuss. Chem. Soc. 1980, 69, 19-31.
93. Kim, D. H.; Park, Y. D.; Jang, Y.; Yang, H.; Kim, Y. H.; Han, J. I.; Moon, D. G.; Park, S.; Chang, T.; Chang, C.; Joo, M.; Ryu, C. Y.; Cho, K. "Enhancement of field-effect mobility due to surface-mediated molecular ordering in regioregular polythiophene thin film transistors", Adv. Func. Mater. 2005, 15, 77-82.
94. Salleo, A.; Chen, T. W.; Volkel, A.; Wu, Y.; Liu, P.; Ong, B. S. "Intrinsic hole mobility and trapping in regio-regular poly(thiophene) ", Phys. Rev. B. 2004, 70, 115311.
95. Kline, R. J.; DeLongchamp, D. M.; Fischer, D. A.; Lin, E. K.; Heeney, M,; McCulloch, I.; Toney, M. F. "Significant dependence of morphology and charge carrier mobility on substrate surface chemistry in high performance polythiophene semiconductor films", Appl. Phys. Lett. 2007, 90, 062117.
96. Chabinyc, M. L.; Salleo, A.; Wu, Y.; Liu, P.; Ong, B. S.; Heeney, M.; McCulloch, I. "Lamination method for the study of interfaces in polymeric thin film transistors", J. Am. Chem. Soc. 2004, 126, 13928-13929.
97. van der Wielen, M. W. J.; Stuart, M. A. C.; Fleer, G. J.; Schlatmann, A. R.; de Boer, D. K. G. "Growth of a single-domain smectic phase in a thin liquid-crystalline polymer film", Phys. Rev. E. 1999, 60, 4252-4256.
98. Factor, B. J.; Russell, T. P.; Toney, M. F. "Grazing incidence X-ray scattering studies of thin films of an aromatic polyimide", Macromolecules 1993, 26, 2847-2859.
99. Moons, E. "Conjugated polymer blends: linking film morphology to performance of light emitting diodes and photodiodes", J. Phys. Condes. Matter. 2002, 14, 12235-12260.
100. Arias, A. C. "Vertically segregated polymer blends: their use in organic electronics", J. Macromolec. Sci. Part C. Polymer Rev. 2006, 46, 103-125.
101. Fizazi, A.; Moulton, J.; Pakbaz, K.; Rughooputh, S. D. D. V.; Smith, P.; Heeger, A. J. "Percolation on a self-assembled network: Decoration of polyethylene gels with conducting polymer", Phys. Rev. Lett. 1990, 64, 2180-2183.
102. Cao, Y.; Colaneri, N.; Heeger, A. J.; Smith, P. "Plastic" infrared polarizers from uniaxially orieted polyaniline blends", Appl. Phys. Lett. 1994, 65, 2001-2003.
103. Goffri, S.; Müller, C.; Stingelin-Stutzmann, N.; Breiby, D. W.; Radano, C. R.; Andreasen, J. W.; Thompson, R.; Janssen, R. A. J.; Nielsen, M. M.; Smith, P,; Sirringhaus, H. "Multicomponent semiconducting polymer systems with low crystallization-induced percolation threshold", Nat. Mater. 2006, 5, 950-956.
104. Müller, C.; Goffri, S.; Breiby, D. W.; Andreasen, J. W.; Chanzy, H. D.; Janssen, R. A. J.; Nielsen, M. M.; Radano, C. R.; Sirringhaus, H.; Smith, P.; Stingelin-Stutzmann, N. "Tough, semiconducting polyethylene-poly(3- hexylthiophene) diblock copolymers", Adv. Func. Mater. 2007.
105. Olsen, B. D.; Li, X.; Wang, J.; Segalman, R. A. "Thin film structure of symmetric rod-coil block copolymers", Macromolecules 2007, 40, 3287-3295.
106. Tao, Y.; Olsen, B. D.; Ganesan, V.; Segalman, R. A. "Domain size control in self-assembling rod-coil block copolymer and homopolymer blends", Macromolecules 2007, 40, 3320-3327.
107. Torsi, L.; Tanese, M. C.; Cioffi, N.; Gallazzi, M. C.; Sabbatini, L.; Zambonin, P. G.; Raos, G.; Meille, S. V.; Giangregorio, M. M. "Side-chain role in chemically sensing conducting polymer field-effect transistors", J. Phys. Chem. B. 2003, 107, 7589-7594.
108. Chabinyc, M. L.; Endicott, F.; Vogt, B. D.; DeLongchamp, D. M.; Lin, E. K.; Wu, Y.; Liu, P.; Ong, B. S. "Effects of humidity on unencapsulated poly(thiophene) thin-film transistors", Appl. Phys. Lett. 2006, 88, 113514.
109. Prosa, T. J.; Winokur, M. J.; Moulton, J.; Smith, P.; Heeger, A. J. "X-ray diffraction studies of the three-dimensional structure within iodine-intercalated poly(3-octylthiophene)", Phys. Rev. B. 1995, 51, 159-168.
110. Günes, S.; Neugebauer, H.; Sariciftci, N. S. "Conjugated polymer-based organic solar cells", Chem. Rev. 2007, 107, 1324-1338.
111. Vanlaeke, P.; Swinnen, A.; Haeldermans, I.; Vanhoyland, G.; Aemouts, T.; Cheyns, D.; Deibel, C.; D'Haen, J.; Heremans, P.; Poortmans, J.; Manca, J. V. "P3HT/PCBM bulk heterojunction solar cells: Relation between morphology and electro-optical characteristics", Solar Energy Materials & Solar Cells 2006, 90, 2150-2158.
112. Kim, Y.; Cook, S.; Tuladhar, S. M.; Choulis, S. A.; Nelson, J.; Durrant, J. R.; Bradley, D. D. C.; Giles, M.; McCulloch, I.; Ha, C.-S.; Ree, M. "A strong regioregularity effect in self-organizing conjguated polymer films and high-efficiency polythiophene:fullerene solar cells", Nat. Mater. 2006, 5, 197-203.
113. Davidson, P. "X-ray diffraction by liquid crystalline side-chain polymers", Prog. Polym. Sci. 1996, 21, 893-950.
114. Sirringhaus, H.; Wilson, R. J.; Friend, H.; Inbasekaran, M.; Wu, W.; Woo, E. P.; Grell, M.; Bradley, D. D. C. "Mobility enhancement in conjugated polymer field-effect transistors through chain alignment in a liquid-crystalline phase", Appl. Phys. Lett. 2000, 77, 406-409.
115. McCullough, R. D. "The chemistry of conducting polythiophenes", Adv. Mater. 1998, 10, 1-24.
116. Yamamoto, T.; Arai, M.; Kokubo, H.; Sasaki, S. "Copolymers of thiophene and thiazole. Regioregulation in synthesis, stacking structure, and optical properties", Macromolecules 2003, 36, 7896-7993.
117. Chen, T.-A.; Wu, X.; Rieke, R. D. "Regiocontrolled synthesis of poly(3-alkythiophenes) mediated by Rieke zinc: their characterization and solid-state properties", J. Am. Chem. Soc. 1995, 117, 233-244.