Three-dimensional textures and defects of soft material layering revealed by thermal sublimation

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

Volumn 110, Issue 48, 2013, Pages 19263-19267

  Yoon, Dong Ki ^a,b   Kim, Yun Ho ^c   Kim, Dae Seok ^a   Oh, Seong Dae ^a   Smalyukh, Ivan I ^b   Clark, Noel A ^b   Jung, Hee Tae ^a  

^a Korea Advanced Institute of Science and Technology (KAIST)   (South Korea)

^b UNIVERSITY OF COLORADO   (United States)

^c Korea Research Institute of Chemical Technology   (South Korea)

Author keywords

Direct visualization; Sublime

Indexed keywords

ARTICLE; ATOMIC FORCE MICROSCOPY; CONFOCAL MICROSCOPY; LIQUID CRYSTAL; MATERIAL STATE; POLARIZATION MICROSCOPY; PRIORITY JOURNAL; SCANNING ELECTRON MICROSCOPY; THERMAL ANALYSIS; THREE DIMENSIONAL IMAGING; TRANSMISSION ELECTRON MICROSCOPY; X RAY DIFFRACTION;

DIRECT VISUALIZATION; SUBLIME;

IMAGING, THREE-DIMENSIONAL; LIQUID CRYSTALS; MATERIALS TESTING; MICROSCOPY, ATOMIC FORCE; MICROSCOPY, ELECTRON; MICROSCOPY, FLUORESCENCE; NANOSTRUCTURES; SURFACE PROPERTIES; THERMOGRAVIMETRY; X-RAY DIFFRACTION;

EID: 84888368271     PISSN: 00278424     EISSN: 10916490     Source Type: Journal    
DOI: 10.1073/pnas.1317922110     Document Type: Article

References (28)

1. Kleman M, Lavrentovich OD (2003) Soft Matter Physics (Springer, New York).
2. Li Z, Lavrentovich OD (1994) Surface anchoring and growth pattern of the field-driven first-order transition in a smectic-A liquid crystal. Phys Rev Lett 73(2): 280-283.
3. Lavrentovich OD, Kleman M, Pergamenshchik VM (1994) Nucleation of focal conic domains in smectic A liquid crystals. J Phys II [French] 4(2): 377-404.
4. Kleman M, Lavrentovich OD (2009) Liquids with conics. Liq Cryst 36(10-11): 1085-1099.
5. Honglawan A, et al. (2013) Topographically induced hierarchical assembly and geometrical transformation of focal conic domain arrays in smectic liquid crystals. Proc Natl Acad Sci USA 110(1): 34-39.
6. Kim YH, Yoon DK, Jung HT (2009) Recent advances in the fabrication of nanotemplates from supramolecular self-organization. J Mater Chem 19(48): 9091-9102.
7. Hamley IW (1998) The Physics of Block Copolymers (Oxford Univ Press, Oxford).
8. Bates FS, Fredrickson GH (1990) Block copolymer thermodynamics: Theory and experiment. Annu Rev Phys Chem 41: 525-557.
9. Coleman DA, et al. (2003) Polarization-modulated smectic liquid crystal phases. Science 301(5637): 1204-1211.
10. Smalyukh II, Shiyanovskii SV, Lavrentovich OD (2001) Three-dimensional imaging of orientational order by fluorescence confocal polarizing microscopy. Chem Phys Lett 336(1-2): 88-96.
11. Choi MC, et al. (2004) Ordered patterns of liquid crystal toroidal defects by microchannel confinement. Proc Natl Acad Sci USA 101(50): 17340-17344.
12. Guo W, Herminghaus S, Bahr C (2008) Controlling smectic focal conic domains by substrate patterning. Langmuir 24(15): 8174-8180.
13. Yoon DK, et al. (2007) Internal structure visualization and lithographic use of periodic toroidal holes in liquid crystals. Nat Mater 6(11): 866-870.
14. Kim YH, et al. (2009) Confined self-assembly of toric focal conic domains (the effects of confined geometry on the feature size of toric focal conic domains). Langmuir 25(3): 1685-1691.
15. Hough LE, et al. (2009) Helical nanofilament phases. Science 325(5939): 456-460.
16. Percec V, Johansson G, Ungar G, Zhou JP (1996) Fluorophobic effect induces the selfassembly of semifluorinated tapered monodendrons containing crown ethers into supramolecular columnar dendrimers which exhibit a homeotropic hexagonal columnar liquid crystalline phase. J Am Chem Soc 118(41): 9855-9866.
17. Jeong HS, et al. (2009) Spontaneous chirality induction and enantiomer separation in liquid crystals composed of achiral rod-shaped 4-arylbenzoate esters. J Am Chem Soc 131(41): 15055-15060.
18. Prost J, Barois P (1983) Polymorphism in polar mesogens. 2. Theoretical aspects. J Chim Phys 80(1): 65-81.
19. Yoon DK, et al. (2010) Liquid-crystal periodic zigzags from geometrical and surfaceanchoring- induced confinement: Origin and internal structure from mesoscopic scale to molecular level. Phys Rev E Stat Nonlin Soft Matter Phys 82(4 Pt 1):041705.
20. Kim YH, Yoon DK, Jeong HS, Lavrentovich OD, Jung HT (2011) Smectic liquid crystal defects for self-assembling of building blocks and their lithographic applications. Adv Funct Mater 21(4): 610-627.
21. Kim YH, Yoon DK, Jeong HS, Jung HT (2010) Self-assembled periodic liquid crystal defects array for soft lithographic template. Soft Matter 6(7): 1426-1431.
22. Blanc C, Kleman M (1999) Curvature walls and focal conic domains in a lyotropic lamellar phase. Eur Phys J B 10(1): 53-60.
23. Yoon DK, et al. (2010) Organization of the polarization splay modulated smectic liquid crystal phase by topographic confinement. Proc Natl Acad Sci USA 107(50): 21311-21315.
24. Lacaze E, et al. (2004) Bistable nematic and smectic anchoring in the liquid crystal octylcyanobiphenyl (8CB) adsorbed on a MoS2 single crystal. Phys Rev E Stat Nonlin Soft Matter Phys 69(4 Pt 1):041705.
25. Michel JP, et al. (2004) Optical gratings formed in thin smectic films frustrated on a single crystalline substrate. Phys Rev E Stat Nonlin Soft Matter Phys 70(1 Pt 1): 011709.
26. Pishnyak OP, Nastishin YA, Lavrentovich OD (2004) Comment on "self-organized periodic photonic structure in a nonchiral liquid crystal" Phys Rev Lett 93(10):109401.
27. Kim YH, et al. (2010) Fabrication of two-dimensional dimple and conical microlens arrays from a highly periodic toroidal-shaped liquid crystal defect array. J Mater Chem 20(31): 6557-6561.
28. Kim YH, et al. (2010) Optically selective microlens photomasks using self-assembled smectic liquid crystal defect arrays. Adv Mater 22(22): 2416-2420.