References
- Warner M, Terentjev EM. Liquid crystal elastomers. Clarendon: Oxford; 2007.
- Davis F. Liquid-crystalline elastomers. J Mater Chem. 1993;3:551–562.
- Terentjev EM. Liquid-crystalline elastomers. J Phys; Condens Matter. 1999;11:R239–R257. doi:10.1088/0953-8984/11/24/201
- Küpfer J, Finkelmann H. Nematic liquid single crystal elastomers. Macromol Chem, Rapid Commun. 1991;12:717–726. doi:10.1002/marc.1991.030121211
- Dubois JC, Le Barny P, Mauzac M, et al. Behavior and properties of side chain thermotropic liquid crystal polymers. Acta Polym. 1997;48:47–87. doi:10.1002/actp.1997.010480301
- Finkelmann H, Nishikawa E, Pereira GG, et al. A new opto-mechanical effect in solids. Phys Rev Lett. 2001;87:015501. doi:10.1103/PhysRevLett.87.015501
- Yu Y, Nakano M, Ikeda T. Photomechanics: directed bending of a polymer film by light. Nature. 2003;425:145. doi:10.1038/425145a
- Domenici V, Ambrožič G, Čopič M, et al. Interplay between nematic ordering and thermomechanical response in a side-chain liquid single crystal elastomer containing pendant azomesogen units. Polymer. 2009;50:4837–4844. doi:10.1016/j.polymer.2009.08.021
- Sánchez-Ferrer A. Light-induced disorder in liquid-crystalline elastomers for actuation. Proc. SPIE. 2011;8107:810702-1–810702-8.
- Sánchez-Ferrer A, Fischl T, Stubenrauch M, et al. Photo-crosslinked side-chain liquid crystalline elastomers for microsystems. Macromol Chem Phys. 2009;210:1671–1677. doi:10.1002/macp.v210:20
- Sánchez-Ferrer A, Merekalov A, Finkelmann H. Opto-mechanical effect in photoactive nematic side-chain liquid-crystalline elastomers. Macromol Rapid Commun. 2011;32:671–678. doi:10.1002/marc.v32.8
- Sánchez-Ferrer A. Photoactive Liquid-Crystalline Elastomers [ dissertation]. Barcelona (ES): University of Barcelona; Freiburg (DE): University of Freiburg; 2007.
- Camacho-Lopez M, Finkelmann H, Palffy-muhoray P, et al. Fast liquid-crystal elastomer swims into the dark. Nat Mater. 2004;3:307–310. doi:10.1038/nmat1118
- Thomsen DL, Keller P, Naciri J, et al. Liquid crystal elastomers with mechanical properties of a muscle. Macromol. 2001;34:5868–5875. doi:10.1021/ma001639q
- Madden J, Vandesteeg N, Anquetil PA, et al. Artificial muscle technology: physical principles and naval prospects. IEEE J Oceanic Eng. 2004;29:706–728. doi:10.1109/JOE.2004.833135
- Buguin A, Li M, Silberzan P, et al. Micro-actuators: when artificial muscles made of nematic liquid crystal elastomers meet soft lithography. J Am Chem Soc. 2006;128:1088–1089. doi:10.1021/ja0575070
- Torras N, Zinoviev K, Esteve J, et al. Liquid-crystalline elastomer micropillar array for haptic actuation. J Mater Chem C. 2013;1:5183–5190.
- Selinger JV, Ratna BR. Isotropic-nematic transition in liquid-crystalline elastomers: lattice model with quenched disorder. Phys Rev E. 2004;70:041707. doi:10.1103/PhysRevE.70.041707
- Garcia-Amorós J, Finkelmann H, Velasco D. Influence of the photo-active azo cross-linker spacer on the opto-mechanics of polysiloxane elastomer actuators. J Mater Chem. 2011;21:1094–1101. doi:10.1039/C0JM02502J
- Garcia-Amoros J, Velasco D. Understanding the fast thermal isomerization of azophenols in glass and liquid crystalline polymers. Phys Chem Chem Phys. 2014;16:39–52.
- Tajbakhsh AR, Terentjev EM. Spontaneous thermal expansion of nematic elastomers. Eur Phys J E. 2001;6:181–188.
- Sánchez-Ferrer A, Fischl T, Stubenrauch M, et al. Liquid-crystalline elastomer microvalve for microfluidics. Adv Mater. 2011;23:4526–4530. doi:10.1002/adma.201102277
- Li X, Fang L, Hou L, et al. Photoresponsive side-chain liquid crystalline polymers with amide group-substituted azobenzene mesogens: effects of hydrogen bonding, flexible spacers, and terminal tails. Soft Matter. 2012;8:5532–5542.
- Tašič B, Li W, Sánchez-Ferrer A, et al. Light-induced refractive index modulation in photoactive liquid-crystalline elastomers. Macromol Chem Phys. 2013;214:2744–2751. doi:10.1002/macp.201300493
- Sánchez-Ferrer A, Finkelmann H. Opto-mechanical effect in photoactive nematic main-chain liquid-crystalline elastomers. Soft Matter. 2013;9:4621–4627.
- Oweimreen GA, Morsy MA. DSC studies on p-(n-alkyl)-p′-cyanobiphenyl (RCB’s) and p-(n-alkoxy)-p′-cyanobiphenyl (ROCB’s) liquid crystals. Thermo Acta. 2000;346:37–47. doi:10.1016/S0040-6031(99)00411-6
- Neuenfeld S, Schick C. Verifying the symmetry of differential scanning calorimeters concerning heating and cooling using liquid crystal secondary temperature standards. Thermochim Acta. 2006;446:55–65. doi:10.1016/j.tca.2006.05.005
- Wunderlich B. Thermodynamic properties. In: Seidel A, editor. Properties and behavior of polymers. Hoboken (NJ): Wiley; 2011. p. 1186–1229.
- Lovell R, Mitchell GR. Molecular orientation distribution derived from an arbitrary reflection. Acta Crystallogr Sec A. 1981;37:135–137. doi:10.1107/S0567739481000247
- Mitchell GR, Lovell R. Application of cylindrical distribution functions to wide-angle x-ray scattering from oriented polymers. Acta Crystallogr Sec A. 1981;37:189–196. doi:10.1107/S0567739481000478
- Leadbetter AJ, Norris EK. Distribution functions in three liquid crystals from x-ray diffraction measurements. Mol Phys. 1979;38:669–686. doi:10.1080/00268977900101961
- Leadbetter AJ, Wrighton PG. Order parameters In Sa, Sc and n phases by X-ray diffraction. Jl De Physique. 1979;40:234–242.
- Davidson P, Petermann D, Levelut AM. The measurement of the nematic order parameter by x-ray scattering reconsidered. J Phys II France. 1995;5:113–131. doi:10.1051/jp2:1995117
- Giesselmann F, Germer R, Saipa A. Orientational order in smectic liquid-crystalline phases of amphiphilic diols. J Chem Phys. 2005;123:034906.
- Sanchez-Castillo A, Osipov MA, Giesselmann F. Orientational order parameters in liquid crystals: a comparative study of X-ray diffraction and polarized Raman spectroscopy results. Phys Rev E. 2010;81:021707. doi:10.1103/PhysRevE.81.021707
- Aksenov V, Bläsing J, Stannarius R, et al. Strain-induced compression of smectic layers in free-standing liquid crystalline elastomer films. Liq Cryst. 2005;32:805–813. doi:10.1080/02678290500161363
- Rössle M, Braun L, Schollmeyer D, et al. Differences between smectic homo- and co-polysiloxanes as a consequence of microphase separation. Liq Cryst. 2005;32:533–538. doi:10.1080/02678290500115724
- Ahn S, Deshmukh P, Gopinadhan M, et al. Side-chain liquid crystalline polymer networks: exploiting nanoscale smectic polymorphism to design shape-memory polymers. ACS Nano. 2011;5:3085–3095. doi:10.1021/nn200211c
- Sengupta A. Topological microfluidics: nematic liquid crystals and nematic colloids in microfluidic environment. Heidelberg: Springer; 2013.
- Kurochkin O, Atkuri H, Buchnev O, et al. Nano-colloids of Sn2P2S6 in nematic liquid crystal pentyl-cianobiphenile. Condensed Matter Phys. 2010;13:33701.
- Quan L. Liquid crystals beyond displays. Hoboken (NJ): John Wiley & Sons; 2012.
- Selinger JV, Jeon HG, Ratna BR. Isotropic-nematic transition in liquid-crystalline elastomers. Phys Rev Lett. 2002;89:225701. doi:10.1103/PhysRevLett.89.225701
- Lebar A, Kutnjak Z, Žumer S, et al. Evidence of supercritical behavior in liquid single crystal elastomers. Phys Rev Lett. 2005;94:197801. doi:10.1103/PhysRevLett.94.197801
- Domenici V. 2H NMR studies of liquid crystal elastomers: macroscopic vs. molecular properties. Prog Nucl Magn Reson Spectrosc. 2012;63:1–32. doi:10.1016/j.pnmrs.2011.07.003
- Cifelli M, Domenici V, Veracini CA. Recent advancements in understanding thermotropic liquid crystal structure and dynamics by means of NMR spectroscopy. Curr Opin Colloid Interface Sci. 2013;18:190–200. doi:10.1016/j.cocis.2013.03.003
- Domenici V, Milavec J, Zupančič B, et al. Brief overview on 2H NMR studies of polysiloxane-based side-chain nematic elastomers. Magn Reson Chem. 2014;52:649–655. doi:10.1002/mrc.v52.10