Research
Interests
- Self-assembly
of supramolecular electronic nanostructures for application
in electronic devices
- Functional nanostructures and
porous materials from synthetic or natural building
blocks
- Development of exploding dendrons with multiple
assembly/disassembly controls and their applications
in building functional structures
- Investigation on molecular
recognition-based supramolecular systems and molecular
machines
Current projects
- Stimuli-responsive conjugated polymers
- Synthesis of nanoporous materials from
metal ligand coordination (with Imaging and Theory facilities)
- Organic nanowires, nanotubes, and nanofibers
(with Imaging facility)
- Molecular machines with controllable
motions (With Prof. A. H. Flood, Indiana University,
US, and Prof. J. O. Jeppesen, University of Southern
Denmark, Denmark)
Selected Publications
- Liu, Y.; Bonvallet, P. A.; Vignon, S.
C.; Khan, S. I.: Stoddart, J. F., “Donor-Accetpro
Pretzelanes and a Cyclic Bis[2]catenane Homologue”, Angew.
Chem. Int. Ed. 2005, 44, 3050-3055.
- Liu, Y.; Flood, A. H.; Bonvallet, P.
A.; Vignon, S. A.; Tseng, H.-R.; Huang, T. J.; Brough,
B.; Ho, Chih-Ming; Baller, M.; Magonov, S.; Stoddart,
J. F., “Linear Artificial Molecular Muscles”, J.
Am. Chem. Soc. 2005, 127, 9745-9759.
- Liu, Y.; Vignon, S. C.; Zhang, X.; Houk,
K. N.; Stoddart, J. F., “Diastereoisomerism in
a Chiral Pretzelane”, Chem. Comm. 2005,
3927-3929.
- Liu, Y.; Flood, A. H.; Mosckowitz, R.
M.; Stoddart, J. F., “Versatile Self-Complexing
Donor-Acceptor Macrocycles”, Chem. Eur. J. 2005, 11,
369-385.
- Liu, Y.; Flood, A. H.; Stoddart, J.
F. Chapter “Nano Meccano” in the Book “Nano
Redox Sites”, Editor: Hiro, Springer, 2006, 193-214.
- Nguyen, T. D.; Liu, Y.; Saha, S.; Leung,
K.-F.; Stoddart, J. F.; Zink, J. I., “Design and
Optimization of Molecular Nanovalves Based on Redox-Switchable
Bistable Rotaxanes”, J. Am. Chem. Soc. 2006, in
press.
- Nygaad, S.; Liu, Y.; Stein, P.; Flood,
A. H.; Jeppesen, J. O., “Using Molecular Force
to Overcome Steric Barriers in a Spring-Like Molecular
Ouroborous”, Adv. Func. Mater. 2006, submitted.
- Liu, Y.; Diaz, D. D.; Sharpless, K.
B.; Fokin, V. V.; Finn, M. G., “Metal-Adhesive
Polymers from Cu(I)-Catalyzed Azide-Alkyne Cycloaddition”,
2006, to be submitted.
- Nguyen, T. D.; Tseng, H.-R.; Celestre,
P.; Flood, A. H.; Liu, Y.; Zink, J. I.; Stoddart, J.
F., “A Reusable Molecular Nanovalve”, Proc.
Natl. Acad. Sci. USA 2005, 102, 10029-10034.
- Liu, Y.; Vignon, S. A.; Zhang, X.; Bonvallet,
P. A.; Khan,, S. I.; Houk, K. N.; Stoddart, J. F., “Dynamic
Chirality in Donor-Acceptor Pretzelanes”, J.
Org. Chem. 2005, 70, 9334-9344.
- Liu, Y.; Saha, S.; Vignon, S. A.; Flood,
A. H.; Stoddart, J. F., “Template-Directed Syntheses
of Configurable and Reconfigurable Molecular Switches”, Synthesis,
2005, 3437-3445.
- Liu, Y.; Flood, A. H.; Stoddart, J.
F., “Thermally and Electrically Controllable Molecular
Switches”, J. Am. Chem. Soc. 2004, 126,
9150-9151.
- Flood, A. H.; Liu, Y.; Stoddart, J.
F., “From Cyclophanes to Molecular Machines” as
a book chapter in the book “Modern Cyclophane Chemsitry”,
Eds: Gleiter, R; Hopf, H.; Wiley-VCH: Weinheim, 2004,
485-518.
- Star, A.; Liu, Y.; Grant, K.; Ridvan,
L.; Stoddart, J. F.; Steuerman, D. W.; Diehl, M. R.;
Boukai, A.; Heath, J. M, “Noncovalent Side-Wall
Functionalization of Single-Walled Carbon Nanotubes”, Macromolecules 2003, 36,
553-560. (COVER ART)
Education
Postdoc, 2005–2006 The
Scripps Research Institute; Advisor: K. Barry
Sharpless
Postdoc, 2004–2005 UCLA; Advisor:
J. Fraser Stoddart
PhD, 2004, UCLA; Advisor:
J. Fraser Stoddart
Dissertation—“Functional Molecular
Machines”
Links
www.chem.ucla.edu/~yliu
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