Research Description
The Velev group is a leader in the emerging research area of constructing “soft robots” from hydrogels. The latest research revealed new hydrogel actuators, “walkers” and soft robotic prototypes.
Previous Projects
Engineering new classes of soft matter actuators from polyelectrolyte hydrogels Daniel Morales
Materials with New Functionalities Imparted by Microfluidics A. Burak Uçar
Soft Electronics Based on Water Gels Hyung Jun Koo
Hydrogel and Biogenic Self-Propelling Particles Rachita Sharma
Remotely Powered Self-Propelling Particles Based on Miniature Diodes Suk Tai Chang & Rachita Sharma
Representative Publications
Morales, D.; Palleau, E.; Dickey, M. D.,; Velev, O. D. Electro-actuated hydrogel walkers with dual responsive legs. Soft Matter 2014, 10, 1337-1348.
Palleau, E.; Morales, D.; Dickey, M. D.; Velev, O. D. Reversible patterning and actuation of hydrogels by electrically assisted ionoprinting. Nature Comm.2013, 4, 2257(1-7).
Koo, H.-J.; Velev, O. D. Regenerable photovoltaic devices with a hydrogel-embedded microvascular network. Sci. Rep. (Nature) 2013, 3, 2357(1-6).
Koo, H.-J.; Velev, O. D. Ionic current devices—Recent progress in the merging of electronic, microfluidic, and biomimetic structures. Biomicrofluidics2013, 7, 031501(1-10).
Koo, H.-J.; So, J.-H.; Dickey, M. D.; Velev, O. D. Towards All-Soft Matter Circuits: Prototypes of Quasi-Liquid Devices with Memristor Characteristics.Advanced Materials 2011, 23, 3559–3564.
Koo, H.-J.; Chang, S. T.; Velev, O. D. Ion-current diode with aqueous gel/SiO2 nanofilm interfaces. Small 2010, 6, 1393–1397.
Cayre, O. J.; Chang, S. T.; Velev, O. D. Polyelectrolyte diode: Nonlinear current response of a junction between aqueous ionic gels. Journal of the American Chemical Society 2007, 129, 10801–10806.