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Publications

  1. Ievgen Kurylo, Joost van der Tol, Nicholas Colonnese, Dirk J Broer, Danqing Liu*, “Photo-responsive liquid crystal network-based material with adaptive modulus for haptic application”, Scientific Reports, 2022/11/14, 2022.
  2. Pengrong Lyu, Mert Orhan Astam, Carlos Sánchez-Somolinos, Danqing Liu*, “Robotic Pick‐and‐Place Operations in Multifunctional Liquid Crystal Elastomers”, Advanced Intelligent Systems, 2200280, 2022.
  3. Yuanyuan Zhan, Dirk J Broer, Danqing Liu*, “Perspiring Soft Robotics Skin Constituted by Dynamic Polarity‐Switching Porous Liquid Crystal Membrane”, Advanced Materials, 2211143, 2023.
  4. Yuanyuan Zhan, Serena Calierno, Jacques Peixoto, Lars Mitzer, Dirk J. Broer, Danqing Liu, Light- and Field-Controlled Diffusion, Ejection, Flow and Collection of Liquid at a Nanoporous Liquid Crystal Membrane, Angewandte Chemie – International Edition, 2022, 10.1002/anie.202207468.
  5. Fabian LL Visschers, Jack Massaad, Paul LMJ van Neer, Martin D Verweij, Danqing Liu, Dirk J Broer, High‐Frequency Surface Dynamics at an Electroactive Polymer Producing Underwater Soundwaves , Advanced Functional Materials, 2022,5.
  6. Jiaxin Hou, Guiying Long, Wei Zhao, Guofu Zhou, Danqing Liu, Dirk J Broer, Ben L Feringa, Jiawen Chen, Phototriggered Complex Motion by Programmable Construction of Light-Driven Molecular Motors in Liquid Crystal Networks , Journal of the American Chemical Society, 2022, 4, 5.
  7. Mert O. Astam, Yuanyuan Zhan, Thierry K. Slot, and Danqing Liu, Active Surfaces Formed in Liquid Crystal Polymer Networks, ACS Appl. Mater. Interfaces, 2022, https://doi.org/10.1021/acsami.1c21024.
  8. Dongyu Zhang, Danqing Liu, Takashi Ubukata, Takahiro Seki, Unconventional Approaches to Light-Promoted Dynamic Surface Morphing on Polymer Films , Bulletin of the Chemical Society of Japan, 2022, 1, 5.
  9. Yang Zhang, Weiping Yang, Minzhao Gu, Qunmei Wei, Pengrong Lv, Ming Li, Danqing Liu, Wei Zhao, Dirk J. Broer, Guofu Zhou, Versatile homeotropic liquid crystal alignment with tunable functionality prepared by one-step method, Journal of Colloid and Interface Science, 2022.
2021
  1. Fabian LL Visschers, Dirk J Broer, Danqing Liu, Programmed topographical features generated on command in confined electroactive films , Soft Matter, 2021.
  2. Mathew Schwartz, Yong Geng, Hakam Agha, Rijeesh Kizhakidathazhath, Danqing Liu, Gabriele Lenzini, Jan PF Lagerwall, Linking Physical Objects to Their Digital Twins via Fiducial Markers Designed for Invisibility to Humans , Multifunctional Materials , 2021/5/12 .
  3. Jiaxin Hou, Anirban Mondal, Guiying Long, Laurens de Haan, Wei Zhao, Guofu Zhou, Danqing Liu, Dirk J Broer, Jiawen Chen, Ben L Feringa , Photo‐responsive Helical Motion by Light‐Driven Molecular Motors in a Liquid‐Crystal Network , Angewandte Chemie International Edition , 2021/4/6.
  4. Pengrong Lv, Yuxin You, Junyu Li, Yang Zhang, Dirk J. Broer, Jiawen Chen, Guofu Zhou, Wei Zhao, Danqing Liu*, Translating 2D Director Profile to 3D Topography in a Liquid Crystal Polymer, Advanced Science, 2021, 2, 24.
  5. Wei Feng, Liangyong chu, Matthijn B. de Rooij, Danqing Liu*, Dirk J. Broer *, Photoswitching between Water‐Tolerant Adhesion and Swift Release by Inverting Liquid Crystal Fingerprint Topography, Advanced Science, 2021, 2, 18.
  6. Yi Zhang, Xiulan Yang, Yuanyuan Zhan, Yang Zhang, Jialin He, Pengrong Lv, Dong Yuan, Xiaowen Hu, Danqing Liu, Dirk Jan Broer, Guofu Zhou, Wei Zhao, Electroconvection in Zwitterion‐Doped Nematic Liquid Crystals and Application as Smart Windows , Advanced Optical Materials, 2021, 2.
  7. Guofu Zhou, ZHAN Yuanyuan, Danqing Liu, Albertus Petrus Henricus Johannes Schenning, Dirk Jan Broer, Use of zwitterion dopant in preparation of dynamic-scattering-mode-based liquid crystal material, US patent 16485999.
2020
2019
  1. Fabian LL Visschers, Hubert Gojzewski, G Julius Vancso, Dirk J Broer, Danqing Liu*, Oscillating surfaces fueled by a continuous AC electric field, Advanced materials interfaces, 2019, 6, 1901292.
  2. Wei Liu, Yong Zhou, Sunqian Liu, Wan Shao, Dirk J Broer, Guofu Zhou, Dong Yuan, Danqing Liu*, Cholesteric flakes in motion driven by the elastic force from nematic liquid crystals, ACS applied materials & interfaces, 2019, 11, 43, 40916-40922.
  3. Wei Feng, Dirk J Broer, Lucie Grebikova, Clemens Padberg, Julius G Vancso, Danqing Liu*, Static and Dynamic Control of Fingerprint Landscapes of Liquid Crystal Network Coatings, ACS Applied Materials & Interfaces, 2019, DOI: 10.1021/acsami.9b11928.
  4. Hanne M van der Kooij, Slav A Semerdzhiev, Jesse Buijs, Dirk J Broer, Danqing Liu, Joris Sprake, Morphing of liquid crystal surfaces by emergent collectivity, Nature Communications, 2019,10.
  5. Danqing Liu*, Surface dynamics at photo-active liquid crystal polymer networks,  Advanced Optical Materials, 2019, 1900255.
2018
  1. Matthew Hendrikx, Burcu Sırma, Albertus P.H.J. Schenning, Danqing Liu*, Dirk J. Broer*, Compliance-mediated topographic oscillation of polarized lght triggered liquid crystal coating, Advanced Materials Interfaces 2018, 1800810. 
  2. Fabian L. L. Visschers, Matthew Hendrikx, Yuanyuan Zhan and Danqing Liu*, Liquid crystal coatings with motile surfaces, Soft Matter 2018, 24, 4898. 
  3. Yuanyuan Zhan, Albertus P.H.J. Schenning, Dirk J. Broer, Guofu Zhou* and Danqing Liu*, Light-driven electrohydrodynamic instabilities in liquid crystals, Advanced Functional Materials 2018, 28, 1707436. 
  4. Anne Helene Gelebart, Danqing Liu, Dirk J. Mulder, Kevin H.J. Leunissen, Jop van Gerven, Albert P.H.J. Schenning and Dirk J. Broer, Photo-responsive sponge-like coating for on-demand liquid release, Advanced Functional Materials 2018, 28, 1705942. 
  5. Wei Feng, Dirk J. Broer and Danqing Liu*, Oscillating chiral-nematic fingerprints wipe away dust, Advanced Materials 2018, 30, 1704970. 
  6. Wei Feng, Danqing Liu and Dirk J. Broer, Electric field switched surface topography of fingerprint liquid-crystal network polymer coating, Emerging Liquid Crystal Technologies XIII. SPIE 2018, Vol. 10555, 105551B.
2017
  1. María López-Valdeolivas, Danqing Liu, Dirk J. Broer and Carlos Sánchez-Somolinos, 4D printed actuators with soft-robotic functions, Macromolecular Rapid Communications 2017, 1700710.
  2. Danqing Liu, Nicholas B. Tito, and Dirk J. Broer, Protruding organic surfaces triggered by in-plane electric fields, Nature Communications 2017, 8, 1526.
  3. Matthew K. McBride, Matthew Hendrikx, Danqing Liu, Brady T. Worrell, Dirk J. Broer, Christopher N. Bowman, Photoinduced plasticity in cross-linked liquid crystalline networks, Advanced Materials 2017, 29, 1606509.
2016
  1. Danqing Liu*, Volume generation towards dynamic surface morphing in liquid crystal polymer networks, Liquid Crystals 2016, 43, 2136-2143. 
  2. Kamlesh Kumar, Albertus P. H. J. Schenning, Dirk J. Broer and Danqing Liu*, Regulating the modulus of a chiral liquid crystal polymer network by light, Soft Matter 2016, 12, 3196-3201.
  3. Adam W. Hauser, Danqing Liu, Kyle C. Bryson, Ryan C. Hayward, and Dirk J. Broer, Reconfiguring nanocomposite liquid crystal polymer films with visible light, Macromolecules 2016, 49, 1575–1581.
  4. Meihong Wang, Yuanyuan Guo, Robert A. Hayes, Danqing Liu, Dirk J. Broer and Guofu Zhou, Forming spacers in situ by photolithography to mechanically stabilize electrofluidic-based switchable optical elements, Materials 2016, 9(4):250.
2015
  1. Danqing Liu and Dirk J. Broer, Surface dynamics and mechanics in liquid crystal polymer coatings, Proceeding SPIE 2015, 9384 DOI:10.1117/12.2077795.
  2. Danqing Liu and Dirk J. Broer, New insights into photoactivated volume generation boost surface morphing in liquid crystal coatings, Nature Communications 2015, 6. 
  3. Danqing Liu, Ling Liu, Patrick Onck and Dirk J. Broer, Reverse switching of surface roughness in a self-organized polydomain liquid crystal coating, Proceedings of the National Academy of Sciences 2015, 112, 3880-3885. 
2014
  1. Danqing Liu and Dirk J. Broer, Light controlled friction at a liquid crystal polymer coating with switchable patterning, Soft Matter 2014, 10, 7952-7958. 
  2. Danqing Liu and Dirk J. Broer, Liquid crystal polymer networks: Preparation, properties and applications of films with patterned molecular alignment, Langmuir 2014, 30, 13499–13509.
  3. Danqing Liu and Dirk J. Broer, Self-assembled dynamic 3D fingerprints in liquid crystal coatings towards controllable friction and adhesion, Angewandte Chemie International Edition 2014, 53, 4542-4546. 
2013
  1. Danqing Liu, Casper L. van Oosten, Cees W.M. Bastiaansen and Dirk J.Broer, Photoresponsive liquid crystalline polymeric materials, Advances in Science and Technology 2013, 77, 325-332.
  2. Jelle E. Stumpel, Danqing Liu, Dirk J. Broer and Albertus P.H.J. Schenning, Photoswitchable hydrogel surface topographies by polymerisation-induced diffusion, Chemistry: A European Journal 2013, 19, 10922–10927.
  3. Danqing Liu and Dirk J. Broer, Liquid crystal polymer networks: switchable surface topographies, Liquid Crystal Reviews 2013, 1, 20-28. 
  4. Danqing Liu, Cees W.M. Bastiaansen, Jaap M.J. Toonder and Dirk J. Broer, Light-induced thermal responsive topologies in polymer hydrogel networks, Langmuir 2013, 29, 5622-5629.
  5. Danqing Liu, Cees W.M. Bastiaansen, Jaap M.J. Toonder and Dirk J. Broer, Single-composition three-dimensionally morphing hydrogels, Soft Matter 2013, 9, 588-596.
2012
  1. Danqing Liu, Cees W.M. Bastiaansen, Jaap M.J. den Toonder and Dirk J. Broer, Photo-switchable surface topologies in a chiral-nematic polymer, Angewandte Chemime International Edition 2012, 51, 892-896. 
  2. Danqing Liu, Cees W.M. Bastiaansen, Jaap M.J. Toonder and Dirk J. Broer, Light-induced formation of dynamic and permanent surface topologies in chiral-nematic polymer networks, Macromolecules 2012, 45, 8005-8012.
  3. Danqing Liu, Cees W.M. Bastiaansen, Jaap M.J. Toonder and Dirk J. Broer, Photo-responsive surface topology in chiral nematic media, Proceeding SPIE 2012, 8279 doi:10.1117/12.909899.
2008 – 2009
  1. Henk W. van Zeijl, Danqing Liu and Pasqualina M. Sarro, “Through silicon interconnect using grayscale lithography for MEMS applications”, Procedia Chemistry 2009, 1, 1543-1546.
  2. Danqing Liu, Henk W. van Zeijl and Pasqualina M. Sarro, “Grayscale lithography characterization for 3D structuring”, Proceeding Micromechanics Europe 2008 133-136. 
Edited Books
  1. Danqing Liu and Dirk J. Broer, “Switching surface topographies based on liquid crystal network coatings”, Photomechanical Materials, Composites, and Systems: Wireless Transduction of Light into Work, Edited Timothy White, John Wiley & Sons, Inc. ISBN: 978-1-119-12330-9.
  2. Danqing Liu, Cees W.M. Bastiaansen and Dirk J. Broer, “Liquid crystal polymer networks: Towards soft actuators and dynamic surface reliefs”, Handbook of Liquid Crystals, edited by Goodby, Collings, Kato, Tschierske, Gleeson, and Raynes, Wiley-VCH Verlag GmbH & Co. KGaA. Online ISBN: 9783527671403.
Patents 
  1. Guofu Zhou, Zhan Yuanyuan, Dirk Jan Broer, Danqing Liu, Albert P.H.J. Schenning, Light-adjusting device and light-adjusting method thereof, US Patent App. 16475918. Danqing Liu, Dirk J. Broer, “Liquid crystal network comprising a photopolymerizable monomer”, European Patent application number WO 2015030572 A1, 2019.
  2. Danqing Liu, Dirk J. Broer, “Liquid crystal device with surface liquid crystal polymer film electrically configurable as to surface shape and optical properties”, European Patent application number WO 2018-EP53801, 2018.
  3. Danqing Liu, Dirk J. Broer, “Liquid crystal network comprising a photopolymerizable monomer”, European Patent application number WO 2015030572 A1, 2015.