Robert P. Lemieux:
Publications

Dr. Lemieux's Research Page
J.C.
Roberts, N. Kapernaum, F. Giesselmann and R.P. Lemieux
“The Design of Liquid Crystals with de Vries Character:
Organosiloxane Mesogen with a 5-Phenylpyrimidine Core.” J.
Am. Chem. Soc., 2008, 130, 13842.
S.
MacQuarrie, M. Thompson, A. Blanc, N. Mosey, R.P. Lemieux and
C.M. Crudden “Chiral Periodic Mesoporous
Organosilicates Based on Axially Chiral Monomers.” J. Am.
Chem. Soc., 2008, 130, 14099.
J.C.
Roberts, N. Kapernaum, F. Giesselmann, M.D. Wand and R.P.
Lemieux “Fast Switching Organosiloxane Ferroelectric
Liquid Crystals.” J. Mater. Chem., 2008, 18,
5301.
J.C.
Roberts, Z.M. Hudson and R.P. Lemieux “The Effect of
Alkoxy Chain Length on the Ferroelectric Properties of Chiral
Fluorenol Liquid Crystals.” J. Mater. Chem., 2008,
18, 3361.
M.P.
Thompson and R.P. Lemieux “Chiral Induction in
Nematic and Smectic C Liquid Crystal Phases by Dopants with
Axially Chiral 1,11-Dimethyl-5,7-dihydrodibenz[c,e]thiepin
Cores.” J. Mater. Chem., 2007, 17, 5068.
J.G.
Finden, E. Yuh, C, Huntley and R.P. Lemieux
“Ferroelectric Liquid Crystals Induced by Dopants with Axially
Chiral 2,2’-Spirobiindan-1,1’-dione Cores: Ether vs. Ester
Side-Chains.” Liq. Cryst., 2007, 34, 1095.
M.P.
Thompson, T. Hegmann, M.D. Wand and R.P. Lemieux
“Ferroelectric Liquid Crystal Dopants with Chiral Side-Chains
Containing Two Adjacent Stereogenic Centers: Host Dependence of
the Polarization Power.” Liq. Cryst., 2007, 34,
987.
L. Li,
C.D. Jones, J. Magolan and R.P. Lemieux
“Siloxane-Terminated Phenylpyrimidine Liquid Crystal Hosts.”
J. Mater. Chem., 2007, 17, 2313.
J.T.C.
Wojtyk, A. Wasey, N, Xiao, P.M. Kazmaier, S. Hoz, C. Yu, R.P.
Lemieux and E. Buncel “Elucidating the Mechanism of
Acidochromic Spiropyran-Merocyanine Interconversion.” J.
Phys. Chem. A, 2007, 111, 2511.
P. Montoya-Palaez, Y.S. Yuh, C.
Lata, M.P. Thompson, R.P. Lemieux and C.M. Crudden “The Synthesis
and Resolution of 2,2’, 4,4’, 6,6’ Chiral Biphenyl Derivatives for
Application in thePreparation of Chiral Materials,” J. Org. Chem., submitted
for publication.
C.S. Hartley and R.P. Lemieux “Electroclinic Effect in Chiral SmA*
Liquid Crystals Induced by Atropisomeric Biphenyl Dopants: Host Dependence
and Amplification Using ElongatedAdditives,” J. Mater. Chem., submitted for
publication.
T. Qinzheng, M. Mohamed, G. Nelson, C.S. Hartley, R.P. Lemieux and J.H.
Horton “Pi-Pi Stacking Interactions Measured by Chemical Force
Microscopy.” Langmuir, submitted for publication.
J.A. McCubbin, V. Snieckus and R.P. Lemieux “Ferroelectric Liquid
Crystals with Fluoro-and Azafluorenone Cores: The Effect of Stereo-Polar
Coupling.” Liq. Cryst., in press.
C.J. Boulton, J.G. Finden, E. Yuh, J.J. Sutherland, M.D. Wand, G. Wu and R.P.
Lemieux “Ferroelectric Liquid Crystals Induced by Dopants with a
2,2’-Spirobiindan-1,1’-dione Core.” J. Am. Chem. Soc., 2005, 127, 13656.
J.A. McCubbin, X. Tong, Y. Zhao, V. Snieckus and R.P. Lemieux
“Directed Metalation-Cross Coupling Route to Ferroelectric Liquid Crystals
with a Chiral Fluorenol Core: The Effect ofIntermolecular Hydrogen Bonding
on Polar Order.” Chem. Mater., 2005, 17, 2574.
P. Zhang, E. Buncel and R.P. Lemieux “Compatibilization of a
Photochromic DithienyletheneDopant and Ferroelectric Liquid Crystal Host via
Siloxane Microsegregation.” Adv. Mater. 2005,17, 567.
C.S. Hartley, R. Wang and R.P. Lemieux “Ferroelectric Liquid
Crystals Induced by AtropisomericBiphenyl Dopants: Correlation Between the
Sign of Induced Polarization and the AbsoluteConfiguration,” Chem. Mater.,
2004, 16, 5297.
K.E. Maly, P. Zhang, M.D. Wand, E. Buncel and R.P. Lemieux
“Reversible Photocyclization ofAchiral Dithienylperfluorocyclopentene
Dopants in a Ferroelectric Liquid Crystal: Bistable SSFLCPhotoswitching,” J.
Mater. Chem., 2004, 14, 2806.
J.Z. Vlahakis, M.D. Wand and R.P. Lemieux “Photoswitching of
Ferroelectric Liquid CrystalsUsing Unsymmetrical Chiral Thioindigo Dopants:
Photoinduced Inversion of the Sign of PS,” Adv. Funct. Mater., 2004, 14,
637.
C.S. Hartley and R.P. Lemieux “Ferroelectric Liquid Crystals
Induced by Atropisomeric Biphenyl Dopants: The Effect of Chiral
Perturbations on Achiral Dopants,” Liq. Cryst., 2004, 31, 1101.
J.Z. Vlahakis and R.P. Lemieux “Photoswitching of Ferroelectric
Liquid Crystals Using Unsymmetrical Chiral Thioindigo Dopants: Structural
Effects on Polarization Photomodulation,”
J. Mater. Chem., 2004, 14, 1486.
J.A. McCubbin, X. Tong, R. Wang, Y. Zhao, V. Snieckus and R.P. Lemieux
“Directed Metalation Route to Ferroelectric Liquid Crystals with a Chiral
Fluorenol Core: The Effect of Restricted Rotation on Polar Order,” J. Am.
Chem. Soc., 2004, 126, 1161.
T. Hegmann, M.R. Meadows, M.D. Wand and R.P. Lemieux
“Ferroelectric Liquid CrystalsInduced by Atropisomeric Biphenyl Dopants:
Influence of the SmC Host Mixture Composition,”
J. Mater. Chem., 2004, 14, 185.
J
.Z. Vlahakis, M.D. Wand and R.P. Lemieux “Photoinduced
Polarization Inversion in a Ferroelectric Liquid Crystal Using an
Ambidextrous Chiral Thioindigo Dopant,” J. Am. Chem. Soc., 2003, 125, 6862.
Boulton, Christopher J.; Sutherland, Jeffrey J.; Lemieux,
Robert P.. A new dopant for ferroelectric liquid crystals with a chiral
2,2'-spirobiindan-1,1'-dione core. Journal of Materials Chemistry (2003),
13(4), 644-646.
Maly, Kenneth E.; Wand, Michael D.; Lemieux, Robert P..
Bistable
ferroelectric liquid crystal photoswitch triggered by a dithienylethene
dopant. [Erratum to document cited in CA137:147709]. Journal of the American
Chemical Society (2003), 125(11), 3397.
Hartley, C. Scott; Lazar, Carmen; Wand, Michael D.; Lemieux, Robert P..
Detection of chiral perturbations in ferroelectric liquid crystals induced
by an atropisomeric biphenyl dopant. [Erratum to document cited in
CA138:18281]. Journal of the American Chemical Society (2003), 125(11),
3397.
Vlahakis, Jason Z.; Wand, Michael D.; Lemieux, Robert P..
Photoinduced
Polarization Inversion in a Ferroelectric Liquid Crystal Using an
Ambidextrous Chiral Thioindigo Dopant. Journal of the American Chemical
Society (2003), 125(23), 6862-6863.
Maly, Kenneth E.; Wand, Michael D.; Lemieux, Robert P..
Bistable
ferroelectric liquid crystal photoswitch triggered by a dithienylethene
dopant. Journal of the American Chemical Society (2002), 124(27), 7898-7899.
Hartley, C. Scott; Lazar, Carmen; Wand, Michael D.; Lemieux, Robert P..
Detection of Chiral Perturbations in Ferroelectric Liquid Crystals Induced
by an Atropisomeric Biphenyl Dopant. Journal of the American Chemical
Society (2002), 124(45), 13513-13518.
Lazar, Carmen; Yang, Kexin; Glaser, Matthew A.; Wand, Michael D.; Lemieux,
Robert P.. Ferroelectric liquid crystal induced by a bridged biphenyl dopant
with helical topography. Journal of Materials Chemistry (2002), 12(3),
586-592.
Hegmann, Torsten; Lemieux, Robert P..
Large electroclinic effect in SmA*
liquid crystals induced by an atropisomeric biphenyl dopant. Journal of
Materials Chemistry (2002), 12(12), 3368-3370.
Lemieux, Robert P.. Chirality Transfer in Ferroelectric Liquid Crystals.
Accounts of Chemical Research (2001), 34(11), 845-853.
di Matteo, Andrea; Todd, Steve M.; Gottarelli, Giovanni; Solladie, Guy;
Williams, Vance E.; Lemieux, Robert P.; Ferrarini, Alberta; Spada, Gian
Piero. Correlation between Molecular Structure and Helicity of Induced
Chiral Nematics in Terms of Short-Range and Electrostatic-Induction
Interactions. The Case of Chiral Biphenyls. Journal of the American Chemical
Society (2001), 123(32), 7842-7851.
Vizitiu, Despina; Lazar, Carmen; Radke, Joshua P.; Hartley, C. Scott;
Glaser, Matthew A.; Lemieux, Robert P.. Ferroelectric Liquid Crystals
Induced by Atropisomeric Biphenyl Dopants: Dependence of the Polarization
Power on the Nature of the Symmetry-Breaking Groups. Chemistry of Materials
(2001), 13(5), 1692-1699.
Lemieux, Robert P.; Dinescu, Liviu; Maly, Kenneth E.
Optical switching of a
ferroelectric liquid crystal spatial light modulator using chiral thioindigo
dopants. ACS Symposium Series (2001), 798(Anisotropic Organic Materials),
227-238.
Maly, Kenneth E.; Wu, Gang; Lemieux, Robert P..
Solubility of thioindigo
dopants in a smectic liquid crystal host evaluated by 2H NMR spectroscopy.
Liquid Crystals (2001), 28(3), 457-462.
Vlahakis, Jason Z.; Maly, Kenneth E.; Lemieux, Robert P..
Thioindigo-containing
organosiloxane liquid crystals with electroclinic properties. Journal of
Materials Chemistry (2001), 11(10), 2459-2464.
Lazar, Carmen; Wand, Michael D.; Lemieux, Robert P..
Chiral distortion of
the binding site in a ferroelectric liquid crystal induced by an
atropisomeric biphenyl dopant. Journal of the American Chemical Society
(2000), 122(50), 12586-12587.
Swansburg, Susan; Buncel, Erwin; Lemieux, Robert P..
Thermal Racemization of
Substituted Indolinobenzospiropyrans: Evidence of Competing Polar and
Nonpolar Mechanisms. Journal of the American Chemical Society (2000), 122(28), 6594-6600.
Dinescu, Liviu; Maly, Kenneth E.; Lemieux, Robert P..
Design of photonic
liquid crystal materials: synthesis and evaluation of new chiral thioindigo
dopants designed to photomodulate the spontaneous polarization of
ferroelectric liquid crystals. Journal of Materials Chemistry (1999), 9(8),
1679-1686.
Vizitiu, Despina; Lazar, Carmen; Halden, Brian J.; Lemieux, Robert P..
Ferroelectric Liquid Crystals Induced by Atropisomeric Dopants: Dependence
of the Polarization Power on the Core Structure of the Smectic C Host.
Journal of the American Chemical Society (1999), 121(36), 8229-8236.
Dinescu, Liviu; Lemieux, Robert P.. Optical switching of a ferroelectric
liquid crystal spatial light modulator by photoinduced polarization
inversion. Advanced Materials (Weinheim, Germany) (1999), 11(1), 42-45.
Saad, Bendaoud; Galstyan, Tigran V.; Dinescu, Liviu; Lemieux, Robert P..
Resonant photoexcitation and electrooptic switch in nematic and
ferroelectric liquid crystals. Proceedings of SPIE-The International Society
for Optical Engineering (1999), 3800(Liquid Crystals III), 140-148.
Xu, Zu-Sheng; Lemieux, Robert P.; Natansohn, Almeria; Rochon, Paul;
Shashidhar, R. Synthesis and characterization of novel ferroelectric liquid
crystals and copolymers containing biphenyl azobenzene and/or phenyl
biphenyl carboxylate mesogenic groups. Liquid Crystals (1999), 26(3),
351-359.
Xu, Zu-Sheng; Lemieux, Robert P.; Natansohn, Almeria; Rochon, Paul;
Shashidhar, R. Azobenzene-Assisted Alignment of Ferroelectric Liquid
Crystals in the Chiral Smectic C Phase with an Alternating Current Field.
Chemistry of Materials (1998), 10(11), 3269-3271.
Lemieux, Robert P.; Dinescu, Liviu. Compounds and methods for doping liquid
crystal hosts for optical devices. PCT Int. Appl. (1998), 42 pp.
Caplan, Jennifer F.; Murphy, Christopher A.; Swansburg, Susan; Lemieux,
Robert P.; Cameron, T. Stanley; Aquino, Manuel A. S. Evidence for room
temperature mesomorphism in a mixed-valent diruthenium(II, III)
quintapalmitoleate polymer. Canadian Journal of Chemistry (1998), 76(11),
1520-1523.
Vizitiu, Despina; Halden, Brian J.; Lemieux, Robert P..
Ferroelectric liquid
crystals induced by atropisomeric dopants. Dependence of the polarization on
the nature of the smectic C host. Ferroelectrics (1998), 212(1-4), 257-264.
Keum, Sam-Rok; Lee, Myung-Jin; Swansburg, Susan; Buncel, Erwin; Lemieux,
Robert P.. Resolution and circular dichroism of a non-activated spiropyran
dye:
6-(p-chlorophenylazo)-1',3',3'-trimethylspiro[2H-1-benzopyran-2,2'-indoline]
. Dyes and Pigments (1998), 39(4), 383-388.
Williams, Vance E.; Lemieux, Robert P..
Role of Dispersion and Electrostatic
Forces on Solute-Solvent Interactions in a Nematic Liquid Crystal Phase.
Journal of the American Chemical Society (1998), 120(44), 11311-11315.
Swansburg, Susan; Choi, Yoon-Ki; Keum, Sam-Rok; Buncel, Erwin; Lemieux,
Robert P.. Synthesis and characterization of liquid crystals containing a
non-activated 1',3',3'-trimethylspiro[2H-1-benzopyran-2,2'-indoline] group.
Liquid Crystals (1998), 24(3), 341-346.
Vizitiu, Despina; Halden, Brian J.; Lemieux, Robert P..
Enhanced polar
ordering in ferroelectric liquid crystals induced by atropisomeric dopants.
Chemical Communications (Cambridge) (1997), (12), 1123-1124.
Dinescu, Liviu; Lemieux, Robert P.. Photomodulating the spontaneous
polarization of a ferroelectric liquid crystal phase using chiral thioindigo
dopants. Proceedings of SPIE-The International Society for Optical
Engineering (1997), 3015(Liquid Crystal Materials, Devices, and Applications
V), 16-20.
Dinescu, Liviu; Lemieux, Robert P..
Photomodulation of the Spontaneous
Polarization of a Ferroelectric Liquid Crystal: Harnessing the Transverse
Dipole Modulation of a Chiral Thioindigo Dopant. Journal of the American
Chemical Society (1997), 119(34), 8111-8112.
Roszak, Aleksander W.; Williams, Vance E.; Lemieux, Robert P..
(+-)-1,11-Dimethyl-3,9-dinitro-5,7-dihydrodibenz[c,e]oxepine.
Acta
Crystallographica, Section C: Crystal Structure Communications (1996),
C52(12), 3190-3193.
Yang, Kexin; Campbell, Bryan; Birch, Glenn; Williams, Vance E.; Lemieux,
Robert P.. Induction of a Ferroelectric SC* Liquid Crystal Phase by an Atropisomeric Dopant Derived from
4,4'-Dihydroxy-2,2'-dimethyl-6,6'-dinitrobiphenyl. Journal of the American
Chemical Society (1996), 118(40), 9557-9561.
Dinescu, Liviu; Lemieux, Robert P.. Modulating the spontaneous polarization
of a ferroelectric liquid crystal via the photoisomerization of a chiral
thioindigo dopant: (R,R)-6,6'-bis(1-methylheptyloxy)thioindigo. Liquid
Crystals (1996), 20(6), 741-749.
Williams, Vance E.; Lemieux, Robert P..
Substituent effects in the induction
of a cholesteric liquid crystal phase by atropisomeric dibenzoxepins: a
study of arene-arene interactions. Chemical Communications (Cambridge)
(1996), (19), 2259-2260.
Williams, Vance E.; Lemieux, Robert P.; Thatcher, Gregory R. J.
Substituent
Effects on the Stability of Arene-Arene Complexes: An AM1 Study of the
Conformational Equilibria of cis-1,3-Diphenylcyclohexanes. Journal of
Organic Chemistry (1996), 61(6), 1927-33.