headshot of Qihan Liu

Qihan Liu

Assistant Professor
Lab Homepage Google Scholar Mechanical Engineering & Materials Science


Dr. Liu received his BS from the University of Science and Technology of China (Special Class for Gifted Young) in 2010 and his PhD from Harvard University in Materials Sciences and Mechanical Engineering in 2016. Since completing his PhD, Dr. Liu has worked at Harvard as a postdoctoral fellow in the Bioengineering Department studying the manufacturing of 3D nanofibrous scaffold for regenerative heart valves. Dr. Liu's research engages in multiple aspects of the mechanics and the manufacturing of soft materials to explore the possibilities that soft materials can offer to various engineering applications.


PhD, Engineering Science, Harvard University, 2010 - 2016

BS, Theoretical and Applied Mechanics, University of Science and Technology of China, 2006 - 2010

Rouhani, F., Pazin, J.W., Young, B.A., Liu, Q., & Velankar, S.S. (2024). Inelastic effects in bulge formation of inflated polymer tubes. Soft Matter, 20(20), 4152-4164.Royal Society of Chemistry (RSC). doi: 10.1039/d4sm00241e.

Wang, L., & Liu, Q. (2024). Deformation-dependent gel surface topography due to the elastocapillary and osmocapillary effects. Soft Matter, 20(17), 3676-3684.Royal Society of Chemistry (RSC). doi: 10.1039/d4sm00139g.

Shao, Z., & Liu, Q. (2023). Osmocapillary adhesion: Reversible and strong adhesion between any hydrogel. EXTREME MECHANICS LETTERS, 61, 101996.Elsevier BV. doi: 10.1016/j.eml.2023.101996.

Shao, Z., & Liu, Q. (2023). Independent characterization of the elastic and the mixing parts of hydrogel osmotic pressure. Extreme Mechanics Letters, 64, 102085.Elsevier BV. doi: 10.1016/j.eml.2023.102085.

Zhu, J., & Liu, Q. (2023). The osmocapillary effect on a rough gel surface. JOURNAL OF THE MECHANICS AND PHYSICS OF SOLIDS, 170, 105124.Elsevier BV. doi: 10.1016/j.jmps.2022.105124.

Zhu, J., Yang, C., & Liu, Q. (2023). Experimental characterization of elastocapillary and osmocapillary effects on multi-scale gel surface topography. Soft Matter, 19(45), 8698-8705.Royal Society of Chemistry (RSC). doi: 10.1039/d3sm01147j.

Chang, H., Liu, Q., Zimmerman, J.F., Lee, K.Y., Jin, Q., Peters, M.M., Rosnach, M., Choi, S., Kim, S.L., Ardona, H.A.M., MacQueen, L.A., Chantre, C.O., Motta, S.E., Cordoves, E.M., & Parker, K.K. (2022). Recreating the heart's helical structure-function relationship with focused rotary jet spinning. SCIENCE, 377(6602), 180-+.American Association for the Advancement of Science (AAAS). doi: 10.1126/science.abl6395.

Guan, X., Reddipalli, L., Butler, D.T., Liu, Q., & Velankar, S.S. (2022). Rate-dependent creasing of a viscoelastic liquid. EXTREME MECHANICS LETTERS, 55, 101784.Elsevier BV. doi: 10.1016/j.eml.2022.101784.

Breid, D., Lai, V., Flowers, A.T., Guan, X., Liu, Q., & Velankar, S.S. (2021). Drop Spreading and Confinement in Swelling-Driven Folding of Thin Films. LANGMUIR, 37(23), 6985-6994.American Chemical Society (ACS). doi: 10.1021/acs.langmuir.1c00520.

Cera, L., Gonzalez, G.M., Liu, Q., Choi, S., Chantre, C.O., Lee, J., Gabardi, R., Choi, M.C., Shin, K., & Parker, K.K. (2021). A bioinspired and hierarchically structured shape-memory material. NATURE MATERIALS, 20(2), 242-+.Springer Science and Business Media LLC. doi: 10.1038/s41563-020-0789-2.

Li, Q., Wang, L., Liu, Q., Hong, W., & Yang, C. (2021). Fatigue Damage-Resistant Physical Hydrogel Adhesion. Front Robot AI, 8, 666343.Frontiers Media SA. doi: 10.3389/frobt.2021.666343.

Pope, B.D., Warren, C.R., Dahl, M.O., Pizza, C.V., Henze, D.E., Sinatra, N.R., Gonzalez, G.M., Chang, H., Liu, Q., Glieberman, A.L., Ferrier, J.P., Cowan, C.A., & Parker, K.K. (2020). Fattening chips: hypertrophy, feeding, and fasting of human white adipocytes in vitro. Lab Chip, 20(22), 4152-4165.Royal Society of Chemistry (RSC). doi: 10.1039/d0lc00508h.

Yang, C., Cheng, S., Yao, X., Nian, G., Liu, Q., & Suo, Z. (2020). Ionotronic Luminescent Fibers, Fabrics, and Other Configurations. Adv Mater, 32(47), e2005545.Wiley. doi: 10.1002/adma.202005545.

Glieberman, A.L., Pope, B.D., Zimmerman, J.F., Liu, Q., Jr, F.J.P., Kenty, J.H.R., Schrell, A.M., Mukhitov, N., Shores, K.L., Tepole, A.B., Melton, D.A., Roper, M.G., & Parker, K.K. (2019). Synchronized stimulation and continuous insulin sensing in a microfluidic human Islet on a Chip designed for scalable manufacturing. LAB ON A CHIP, 19(18), 2993-3010.Royal Society of Chemistry (RSC). doi: 10.1039/c9lc00253g.

Liu, Q., Ouchi, T., Jin, L., Hayward, R., & Suo, Z. (2019). Elastocapillary Crease. PHYSICAL REVIEW LETTERS, 122(9), 098003.American Physical Society (APS). doi: 10.1103/PhysRevLett.122.098003.

Wang, Y., Liu, Q., Zhang, J., Hong, T., Sun, W., Tang, L., Arnold, E., Suo, Z., Hong, W., Ren, Z., & Guo, C.F. (2019). Giant Poisson's Effect for Wrinkle-Free Stretchable Transparent Electrodes. ADVANCED MATERIALS, 31(35), e1902955.Wiley. doi: 10.1002/adma.201902955.

Yang, J., Bai, R., Li, J., Yang, C., Yao, X., Liu, Q., Vlassak, J.J., Mooney, D.J., & Suo, Z. (2019). Design Molecular Topology for Wet-Dry Adhesion. ACS APPLIED MATERIALS & INTERFACES, 11(27), 24802-24811.American Chemical Society (ACS). doi: 10.1021/acsami.9b07522.

Ahn, S., Ardona, H.A.M., Lind, J.U., Eweje, F., Kim, S.L., Gonzalez, G.M., Liu, Q., Zimmerman, J.F., Pyrgiotakis, G., Zhang, Z., Beltran-Huarac, J., Carpinone, P., Moudgil, B.M., Demokritou, P., & Parker, K.K. (2018). Mussel-inspired 3D fiber scaffolds for heart-on-a-chip toxicity studies of engineered nanomaterials. ANALYTICAL AND BIOANALYTICAL CHEMISTRY, 410(24), 6141-6154.Springer Science and Business Media LLC. doi: 10.1007/s00216-018-1106-7.

Brassart, L., Liu, Q., & Suo, Z. (2018). Mixing by shear, dilation, swap, and diffusion. JOURNAL OF THE MECHANICS AND PHYSICS OF SOLIDS, 112, 253-272.Elsevier BV. doi: 10.1016/j.jmps.2017.12.008.

Liu, Q., & Parker, K.K. (2018). A viscoelastic beam theory of polymer jets with application to rotary jet spinning. EXTREME MECHANICS LETTERS, 25, 37-44.Elsevier BV. doi: 10.1016/j.eml.2018.10.005.

Liu, Q., Nian, G., Yang, C., Qu, S., & Suo, Z. (2018). Bonding dissimilar polymer networks in various manufacturing processes. NATURE COMMUNICATIONS, 9(1), 846.Springer Science and Business Media LLC. doi: 10.1038/s41467-018-03269-x.

Pasqualini, F.S., Agarwal, A., O'Connor, B.B., Liu, Q., Sheehy, S.P., & Parker, K.K. (2018). Traction force microscopy of engineered cardiac tissues. PLOS ONE, 13(3), e0194706.Public Library of Science (PLoS). doi: 10.1371/journal.pone.0194706.

Ju, J., Yao, X., Hou, X., Liu, Q., Zhang, Y.S., & Khademhosseini, A. (2017). A highly stretchable and robust non-fluorinated superhydrophobic surface. JOURNAL OF MATERIALS CHEMISTRY A, 5(31), 16273-16280.Royal Society of Chemistry (RSC). doi: 10.1039/c6ta11133e.

Le Floch, P., Yao, X., Liu, Q., Wang, Z., Nian, G., Sun, Y., Jia, L., & Suo, Z. (2017). Wearable and Washable Conductors for Active Textiles. ACS APPLIED MATERIALS & INTERFACES, 9(30), 25542-25552.American Chemical Society (ACS). doi: 10.1021/acsami.7b07361.

Wang, Z., Chen, C., Liu, Q., Lou, Y., & Suo, Z. (2017). Extrusion, slide, and rupture of an elastomeric seal. JOURNAL OF THE MECHANICS AND PHYSICS OF SOLIDS, 99, 289-303.Elsevier BV. doi: 10.1016/j.jmps.2016.12.007.

Brassart, L., Liu, Q., & Suo, Z. (2016). Shear, dilation, and swap: Mixing in the limit of fast diffusion. JOURNAL OF THE MECHANICS AND PHYSICS OF SOLIDS, 96, 48-64.Elsevier BV. doi: 10.1016/j.jmps.2016.06.013.

Jones, E.C., Liu, Q., Suo, Z., & Nocera, D.G. (2016). Mechanistic Study for Facile Electrochemical Patterning of Surfaces with Metal Oxides. ACS NANO, 10(5), 5321-5325.American Chemical Society (ACS). doi: 10.1021/acsnano.6b01335.

Lee, S., Reuveny, A., Reeder, J.Lee, S., Jin, H., Liu, Q., Yokota, T., Sekitani, T., Isoyama, T., Abe, Y., Suo, Z., & Someya, T. (2016). A transparent bending-insensitive pressure sensor. NATURE NANOTECHNOLOGY, 11(5), 472-+.Springer Science and Business Media LLC. doi: 10.1038/NNANO.2015.324.

Liu, Q., & Suo, Z. (2016). Osmocapillary phase separation. EXTREME MECHANICS LETTERS, 7, 27-33.Elsevier BV. doi: 10.1016/j.eml.2016.02.001.

Xu, B.B., Liu, Q., Suo, Z., & Hayward, R.C. (2016). Reversible Electrochemically Triggered Delamination Blistering of Hydrogel Films on Micropatterned Electrodes. ADVANCED FUNCTIONAL MATERIALS, 26(19), 3218-3225.Wiley. doi: 10.1002/adfm.201504769.

Guo, C.F., Liu, Q., Wang, G., Wang, Y., Shi, Z., Suo, Z., Chu, C.W., & Ren, Z. (2015). Fatigue-free, superstretchable, transparent, and biocompatible metal electrodes. PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 112(40), 12332-12337.Proceedings of the National Academy of Sciences. doi: 10.1073/pnas.1516873112.

Liu, Q., Huang, S., & Suo, Z. (2015). Brownian Motion of Molecular Probes in Supercooled Liquids. PHYSICAL REVIEW LETTERS, 114(22), 224301.American Physical Society (APS). doi: 10.1103/PhysRevLett.114.224301.

Minev, I.R., Musienko, P., Hirsch, A., Barraud, Q., Wenger, N., Moraud, E.M., Gandar, J., Capogrosso, M., Milekovic, T., Asboth, L., Torres, R.F., Vachicouras, N., Liu, Q., Pavlova, N., Duis, S., Larmagnac, A., Voeroes, J., Micera, S., Suo, Z., Courtine, G., & Lacour, S.P. (2015). Electronic dura mater for long-term multimodal neural interfaces. SCIENCE, 347(6218), 159-163.American Association for the Advancement of Science (AAAS). doi: 10.1126/science.1260318.

Wang, Z., Liu, Q., Lou, Y., Jin, H., & Suo, Z. (2015). Elastic Leak for a Better Seal. JOURNAL OF APPLIED MECHANICS-TRANSACTIONS OF THE ASME, 82(8).ASME International. doi: 10.1115/1.4030660.

Guo, C.F., Sun, T., Liu, Q., Suo, Z., & Ren, Z. (2014). Highly stretchable and transparent nanomesh electrodes made by grain boundary lithography. NATURE COMMUNICATIONS, 5(1), 3121.Springer Science and Business Media LLC. doi: 10.1038/ncomms4121.

Li, J., Liu, Q., Brassart, L., & Suo, Z. (2014). Mechanics of Supercooled Liquids. JOURNAL OF APPLIED MECHANICS-TRANSACTIONS OF THE ASME, 81(11).ASME International. doi: 10.1115/1.4028587.

Liu, Q., Wang, Z., Lou, Y., & Suo, Z. (2014). Elastic leak of a seal. Extreme Mechanics Letters, 1, 54-61.Elsevier BV. doi: 10.1016/j.eml.2014.10.001.

Robinson, A., Aziz, A., Liu, Q., Suo, Z., & Lacour, S.P. (2014). Hybrid stretchable circuits on silicone substrate. JOURNAL OF APPLIED PHYSICS, 115(14).AIP Publishing. doi: 10.1063/1.4871279.

Liu, Q., Robisson, A., Lou, Y., & Suo, Z. (2013). Kinetics of swelling under constraint. JOURNAL OF APPLIED PHYSICS, 114(6).AIP Publishing. doi: 10.1063/1.4816337.

Romeo, A., Liu, Q., Suo, Z., & Lacour, S.P. (2013). Elastomeric substrates with embedded stiff platforms for stretchable electronics. APPLIED PHYSICS LETTERS, 102(13).AIP Publishing. doi: 10.1063/1.4799653.

Vandeparre, H., Liu, Q., Minev, I.R., Suo, Z., & Lacour, S.P. (2013). Localization of Folds and Cracks in Thin Metal Films Coated on Flexible Elastomer Foams. ADVANCED MATERIALS, 25(22), 3117-3121.Wiley. doi: 10.1002/adma.201300587.

Zarzar, L.D., Liu, Q., He, X., Hu, Y., Suo, Z., & Aizenberg, J. (2012). Multifunctional actuation systems responding to chemical gradients. SOFT MATTER, 8(32), 8289-8293.Royal Society of Chemistry (RSC). doi: 10.1039/c2sm26064f.

Ni, Y., He, L., & Liu, Q. (2011). Modeling kinetics of diffusion-controlled surface wrinkles. PHYSICAL REVIEW E, 84(5), 051604.American Physical Society (APS). doi: 10.1103/PhysRevE.84.051604.

Chang, H., Liu, Q., Zimmerman, J.F., Lee, K.Y., Jin, Q., Peters, M.M., Rosnach, M., Choi, S., Kim, S.L., ArdoƱa, H.A.M., MacQueen, L.A., Chantre, C.O., Motta, S.E., Cordoves, E.M., & Parker, K.K. Structure-Function in Helical Cardiac Musculature Using Additive Textile Manufacturing. Cold Spring Harbor Laboratory. doi: 10.1101/2021.08.18.456852.

Research interests

Additive Manufacture of Soft...
Functional Soft Devices
Mechanics of Soft Materials