Substrate-induced phases: Transition from a liquid-crystalline to a plastic crystalline phase via nucleation initiated by the substrate

Liquid Crystals

Volumn 41, Issue 3, 2014, Pages 302-309

  Chattopadhyay, Basab ^a   Ruzié, Christian ^a   Resel, Roland ^b   Henri Geerts, Yves ^a  

^a UNIVERSITÉ LIBRE DE BRUXELLES   (Belgium)

^b GRAZ UNIVERSITY OF TECHNOLOGY   (Austria)

Author keywords

discotics; liquid crystals; plastic crystal; subtrate induced phase; X ray diffraction

Indexed keywords

EID: 84897638957     PISSN: 02678292     EISSN: 13665855     Source Type: Journal    
DOI: 10.1080/02678292.2013.809799     Document Type: Article

References (49)

1. Sirringhaus H. Device physics of solution-processed organic field-effect transistors. Adv Mater. 2005;17:2411-2425.
2. Sirringhaus H. Reliability of organic field-effect transistors. Adv Mater. 2009;21:3859-3873.
3. Vitali L, Levita G, Ohmann R, Comisso A, De Vita A, Kern K. Portrait of the potential barrier at metal-organic nanocontacts. Nat Mater. 2010;9:320-323.
4. Wedl B, Resel R, Leising G, Kunert B, Salzmann I, Oehzelt M, Koch N, Vollmer A, Duhm S, Werzer O, Gbabode G, Sferrazza M, Geerts Y. Crystallisation kinetics in thin films of dihexyl-terthiophene: the appearance of polymorphic phases. RSC Adv. 2012;2:4404-4414.
5. Yoneya M, Kawasaki M, Ando M. Are pentacene monolayer and thin-film polymorphs really substrate-induced? A molecular dynamics simulation study. J Phys Chem C. 2011;116:791-795.
6. Yoneya M, Kawasaki M, Ando M. Molecular dynamics simulations of pentacene thin films: the effect of surface on polymorph selection. J Mater Chem A. 2010;20:10397-10402.
7. Jurchescu OD, Mourey DA, Subramanian S, Parkin SR, Vogel BM, Anthony JE, Jackson TN, Gundlach DJ. Effects of polymorphism on charge transport in organic semiconductors. Phys Rev B. 2009;80:085201.
8. Claudia A-D, Dmitrii N, Peter P, Christian M. The role of polymorphism in organic thin films: oligoacenes investigated from first principles. New J Phys. 2009;11:125010.
9. Rasing T, Musevic I. Surfaces and interfaces of liquid crystals. Berlin, Heidelberg: Springer; 2004.
10. Barbero G, Evangelista LR. Adsorption phenomena and anchoring energy in nematic liquid crystals. Boca Raton, FL: Taylor & Francis; 2006.
11. Kaafarani BR. Discotic liquid crystals for opto-electronic applications. Chem Mater. 2010;23:378-396.
12. Mouthuy P-O, Melinte S, Geerts YH, Jonas AM. Uniaxial alignment of nanoconfined columnar mesophases. Nano Lett. 2007;7:2627-2632.
13. Sergeyev S, Pisula W, Geerts YH. Discotic liquid crystals: a new generation of organic semiconductors. Chem Soc Rev. 2007;36:1902-1929.
14. Cheng HL, Mai YS, Chou WY, Chang LR, Liang XW. Thickness-dependent structural evolutions and growth models in relation to carrier transport properties in polycrystalline pentacene thin films. Adv Funct Mater. 2007;17:3639-3649.
15. Chou W-Y, Chang M-H, Cheng H-L, Lee Y-C, Chang C-C, Sheu H-S. New pentacene crystalline phase induced by nanoimprinted polyimide gratings. J Phys Chem C. 2012;116:8619-8626.
16. Schiefer S, Huth M, Dobrinevski A, Nickel B. Determination of the crystal structure of substrate-induced pentacene polymorphs in fiber structured thin films. J Am Chem Soc. 2007;129:10316-10317.
17. Salzmann I, Nabok D, Oehzelt M, Duhm S, Moser A, Heimel G, Puschnig P, Ambrosch-Draxl C, Rabe P Jr, Koch N. Structure solution of the 6,13-pentacenequinone surface-induced polymorph by combining X-ray diffraction reciprocal-space mapping and theoretical structure modeling. Cryst Growth Des. 2011;11:600-606.
18. Jurchescu OD, Baas J, Palstra TTM. Effect of impurities on the mobility of single crystal pentacene. Appl Phys Lett. 2004;84:3061-3063.
19. Salzmann I, Duhm S, Opitz R, Rabe JP, Koch N. Impact of low 6,13-pentacenequinone concentration on pentacene thin film growth. Appl Phys Lett. 2007;91:051913-051919.
20. Ding F, Hu Z, Zhong Q, Manfred K, Gattass RR, Brindza MR, Fourkas JT, Walker RA, Weeks JD. Interfacial organization of acetonitrile: simulation and experiment. J Phys Chem C. 2010;114:17651-17659.
21. Lau YGJ, Richardson RM, Dalgliesh RM, Zimmermann H. Surface ordering at the air-nematic interface. Part 1. A neutron reflection study of translational order. Liq Cryst. 2007;34:333-341.
22. Sloutskin E, Bain CD, Ocko BM, Deutsch M. Surface freezing of chain molecules at the liquid-liquid and liquid-air interfaces. Faraday Discuss. 2005;129:339-352.
23. Aya S, Sasaki Y, Araoka F, Ema K, Ishikawa K, Emelyanenko AV, Takezoe H. Observation of two isotropic-nematic phase transitions near a surface. Phys Rev Lett. 2011;106:117801.
24. Werzer O, Boucher N, de Silva JP, Gbabode G, Geerts YH, Konovalov O, Moser A, Novak J, Resel R, Sferrazza M. Interface induced crystal structures of dioctyl-terthiophene thin films. Langmuir. 2012;28:8530-8536.
25. Aswini P, Govind AS. Enhancement of nematic order of liquid crystals in thin cells with a surface-induced smectic phase. Liq Cryst. 2012;39:701-706.
26. Mirantsev LV. Free surface-induced bilayer smectic a phase in polar liquid crystals. Liq Cryst. 1991;10:425-438.
27. Schrijver PD, Dael WV, Thoen J. Surface-induced pretransitional order in the isotropic phase near the isotropic-nematic phase transition. Liq Cryst. 1996;21:745-749.
28. Fukuto M, Gang O, Alvine KJ, Ocko BM, Pershan PS. Wetting of liquid-crystal surfaces and induced smectic layering at a nematic-liquid interface: an x-ray reflectivity study. Phys Rev E. 2008;77:031607.
29. Zhang L, Kappl M, Auernhammer G, Ullrich B, Butt H-J, Vollmer D. Surface-induced ordering of liquid crystal on modified surfaces. In: Auernhammer G, Butt H-J, Vollmer D, editors. Surface and interfacial forces - from fundamentals to applications. Progress in Colloid and Polymer Science. Berlin, Heidelberg: Springer; 2008; p. 39-47.
30. Kočevar K, Muševič I. Surface-induced nematic and smectic order at a liquid-crystal-silanated-glass interface observed by atomic force spectroscopy and Brewster angle ellipsometry. Phys Rev E. 2002;65:021703.
31. Salzmann I, Duhm S, Heimel G, Rabe P Jr, Koch N, Oehzelt M, Sakamoto Y, Suzuki T. Structural order in perfluoropentacene thin films and heterostructures with pentacene. Langmuir. 2008;24:7294-7298.
32. Gbabode G, Dumont N, Quist F, Schweicher G, Moser A, Viville P, Lazzaroni R, Geerts YH. Substrate-induced crystal plastic phase of a discotic liquid crystal. Adv Mater. 2012;24:658-662.
33. Pisula W, Feng X, Müllen K. Tuning the columnar organization of discotic polycyclic aromatic hydrocarbons. Adv Mater. 2010;22:3634-3649.
34. Laschat S, Baro A, Steinke N, Giesselmann F, Hägele C, Scalia G, Judele R, Kapatsina E, Sauer S, Schreivogel A, Tosoni M. Discotic liquid crystals: from tailor-made synthesis to plastic electronics. Angew Chem Int Ed. 2007;46:4832-4887.
35. Kumar S. Chemistry of discotic liquid crystals: from monomers to polymers. Boca Raton, FL: CRC Press; 2010.
36. Caló A, Stoliar P, Cavallini M, Sergeyev S, Geerts YH, Biscarini F. Monolayer control of discotic liquid crystal by electromigration of dewetted layers in thin film devices. J Am Chem Soc. 2008;130:11953-11958.
37. De Cupere V, Tant J, Viville P, Lazzaroni R, Osikowicz W, Salaneck WR, Geerts YH. Effect of interfaces on the alignment of a discotic liquid - crystalline phthalocyanine. Langmuir. 2006;22:7798-7806.
38. Pouzet E, Cupere VD, Heintz C, Andreasen JW, Breiby DW, Nielsen MM, Viville P, Lazzaroni R, Gbabode G, Geerts YH. Homeotropic alignment of a discotic liquid crystal induced by a sacrificial layer. J Phys Chem C. 2009;113:14398-14406.
39. Schweicher G, Gbabode G, Quist F, Debever O, Dumont N, Sergeyev S, Geerts YH. Homeotropic and planar alignment of discotic liquid crystals: the role of the columnar mesophase. Chem Mater. 2009;21:5867-5874.
40. Zucchi GL, Viville P, Donnio B, Vlad A, Melinte S, Mondeshki M, Graf R, Spiess HW, Geerts YH, Lazzaroni R. Miscibility between differently shaped mesogens: structural and morphological study of a phthalocyanine-perylene binary system. J Phys Chem B. 2009;113:5448-5457.
41. Tant J, Geerts YH, Lehmann M, De Cupere V, Zucchi G, Laursen BW, Bjørnholm T, Lemaur V, Marcq V, Burquel A, Hennebicq E, Gardebien F, Viville P, Beljonne D, Lazzaroni R, Cornil J. Liquid crystalline metal-free phthalocyanines designed for charge and exciton transport. J Phys Chem B. 2005;109:20315-20323.
42. Moser A. Crystal structure solution based on grazing incidence X-ray diffraction: software development and application to organic films [PhD]. Graz: Graz University of Technology; 2012.
43. Ishviene Cour ZP, Lebruin LT, Case MA, Furis M, Headrick RL. Selective orientation of discotic films by interface nucleation. Org Electron. 2012;13:419-424.
44. Grelet E, Dardel S, Bock H, Goldmann M, Lacaze E, Nallet F. Morphology of open films of discotic hexagonal columnar liquid crystals as probed by grazing incidence X-ray diffraction. Eur Phys J E. 2010;31:343-349.
45. Gearba RI, Bondar AI, Goderis B, Bras W, Ivanov DA. Tailoring the thermotropic behavior of tetra-substituted phthalocyanines via the lateral chains architecture. Chem Mater. 2005;17:2825-2832.
46. Seemann R, Jacobs K, Herminghaus S. Stability and Dewetting of Thin Liquid Films. In: Tsui OKC and Russell TP, editor. Polymer Thin Films. Series in soft condensed matter. Singapore: World Scientific Publishing; 2008; p. 243-265.
47. Herminghaus S, Jacobs K, Mecke K, Bischof J, Fery A, Ibn-Elhaj M, Schlagowski S. Spinodal dewetting in liquid crystal and liquid metal films. Science. 1998;282:916-919.
48. Drummy LF, Martin DC. Thickness-driven orthorhombic to triclinic phase transformation in pentacene thin films. Adv Mater. 2005;17:903-907.
49. Facchetti A, Yoon MH, Marks TJ. Gate dielectrics for organic field-effect transistors: new opportunities for organic electronics. Adv Mater. 2005;17:1705-1725.