Highlighted Publications
Roh et al., Nature (2025)
Roh et al., Nature Materials (2019)
Williams et al., Nature Comm. (2021)
Roh et al., Adv. Mat. (2017)
In Preparation
*Corresponding Author, †Equally Contributed
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Uihyun Seong, ..., Sangchul Roh*, Popping Morphogenesis (In preparation)
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Changyoug Kang, ..., Sangchul Roh*, Diffusion-Gelation Morphogenesis (In preparation)
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Ryun Oh†, Da Hye Sim†, ..., Jung Tae Park*, Sangchul Roh*, Pickering Surface Functionalization (Under review)
2026
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Jinwook Lee, Geun Park, Gyeong Chan Kim, Jung-Hoon Yun, Dennis T. Lee, Sangchul Roh, Jooyoun Kim*, Self-Sacrificial Growth of Heterojunction Photocatalytic Fibers as a Humidity-Adaptive Platform for Sustainable VOC Purification, Advanced Fiber Materials, 2026. [LINK]
2025
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Chanyoung Kang, Ryun Oh, Daehoon Han*, Yeongun Ko*, Sangchul Roh*, From 3D particle structuring to the 3D printing of silicones: A review, Korea–Australia Rheology Journal, 37, 455–468, 2025. [LINK]
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Soumyamouli Pal, Arit Patra, John Kim, Sangchul Roh, Juriti Rajbangshi, Reid C. Van Lehn, Joerg Lahann*, Nicholas L. Abbott*, Formation of Interconnected Nanofiber Sheets by Chemical Vapor Polymerization at the Free Surface of Liquid Crystalline Films, Angewandte Chemie International Edition, 64, e202515703, 2025. [LINK]
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Sangchul Roh, Youlim Ha, Nicholas L. Abbott*, Biphasic Liquids with Shape-Shifting and Bistable Microdomains, Nature, 643, 1281-1287, 2025. [LINK]
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Soumita Maiti, Milad Taghavi, Parag Chaudhari, Sangchul Roh, Itai Cohen, Alyssa B. Apsel, Nicholas L. Abbott*, Polarizer-Free Dye-Doped Liquid Crystal Sensors with High Precision, ACS Sensors, 10, 1870–1879 (2025). [LINK]
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Jin Gyun Lee, Joseph Petraccione, Katherine A. Trese, Alex C. Hughes, Taylor R. Ausec, Maren Salzman-Sullivan, Lih-Jen Su, Matthew T. Kim, Sangchul Roh, Andrew P. Goodwin, Frances Xiuya Feng, Thomas W. Flaig, C. Wyatt Shields IV*, Soft Extrudable Dendritic Particles with Nanostructured Tendrils for Local Adhesion and Drug Release to Bladder Cancers, Advanced Materials, 37, 2505231, 2025. [LINK]
2024
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Sangchul Roh*, Seonju Yeo, Rachel S Bang, Koohee Han, Krassimir P Velikov, Orlin D Velev*, Transparency-Changing Elastomers by Controlling of the Refractive Index of Liquid Inclusions, Journal of Physics: Condensed Matter, 36, 425101, 2024. [LINK]
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Xin Wang, Yu Yang, Sangchul Roh, Sarah Hormozi, Nathan C Gianneschi, Nicholas L Abbott*, Self‐Timed and Spatially Targeted Delivery of Chemical Cargo by Motile Liquid Crystal, Advanced Materials, 36, 2311311, 2024. [LINK]
2023
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Soumita Maiti, Sangchul Roh, Itai Cohen, Nicholas L Abbott*, Non-equilibrium Ordering of Liquid Crystalline (LC) Films Driven by External Gradients in Surfactant Concentration, Journal of Colloid and Interface Science, 637, 134-146, 2023. [LINK]
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Rachel S Bang, Sangchul Roh, Austin H Williams, Simeon D Stoyanov, Orlin D Velev*, Fluid Flow Templating of Polymeric Soft Matter with Diverse Morphologies, Advanced Materials, 35, 2211438, 2023. [LINK]
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Abhirup Basu, Lilian B Okello, Natasha Castellanos, Sangchul Roh, Orlin D Velev*, Assembly and Manipulation of Responsive and Flexible Colloidal Structures by Magnetic and Capillary Interactions, Soft Matter, 19, 2466-2485, 2023. [LINK]
Publications Prior to Independent Appointment (- 2023)
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Austin H. Williams, Sangchul Roh, Yosra Kotb and Orlin D. Velev*, Superhydrophobic and Anti‐Icing Coatings Made of Hierarchically Nanofibrillated Polymer Colloids, Macromolecular Rapid Communications, 2200513, 2022.
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Sangchul Roh†, John Kim†, Divya Varadharajan, Joerg Lahann* and Nicholas L. Abbott*, Sharing of Strain between Nanofiber Forests and Liquid Crystals Leads to Programmable Responses to Electric Fields, Advanced Functional Materials, 32, 2200830, 2022.
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Soumik Das, Sangchul Roh, Noe Atzin, Ali Mozaffari, Xingzhou Tang, Juan J. de Pablo and Nicholas L. Abbott*, Programming Solitons in Liquid Crystals Using Surface Chemistry, Langmuir, 38, 3575-3584, 2022.
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Divya Varadharajan, Karthik Nayani, Christoph Zippel, Eduard Spuling, Kenneth C. Cheng, Swetha Sarangarajan, Sangchul Roh, John Kim, Vanessa Trouillet, Stefan Bräse, Nicholas L. Abbott* and Joerg Lahann*, Surfaces Decorated with Enantiomorphically Pure Polymer Nanohelices via Hierarchical Chirality Transfer across Multiple Length Scales, Advanced Materials, 34, 2108386, 2022.
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Michael Tsuei†, Hai Tran†, Sangchul Roh, Christopher K. Ober* and Nicholas L. Abbott*, Using Liquid Crystals to Probe the Organization of Helical Polypeptide Brushes Induced by Solvent Pretreatment, Macromolecules, 54, 7786−7795, 2021.
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Austin H. Williams†, Sangchul Roh†, Alan R. Jacob, Simeon D. Stoyanov, Lilian Hsiao and Orlin D. Velev*, Printable Homocomposite Hydrogels with Synergistically Reinforced Molecular–Colloidal Networks, Nature Communications, 12, 2834, 2021.
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Sangchul Roh, Michael Tsuei and Nicholas L. Abbott*, Using Liquid Crystals for in Situ Optical Mapping of Interfacial Mobility and Surfactant Concentrations at Flowing Aqueous–Oil Interfaces, Langmuir, 37, 5810−5822, 2021.
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Salvatore Luiso, Austin H. Williams, Michael J. Petrecca, Sangchul Roh, Orlin D. Velev and Peter S. Fedkiw*, Poly(vinylidene difluoride) Soft Dendritic Colloids as Li-Ion Battery Separators, Journal of The Electrochemical Society, 168, 020517, 2021.
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Ria D. Corder, Joseph C. Tilly, Wade F. Ingram, Sangchul Roh, Richard J. Spontak* and Saad A. Khan*, UV-Curable Polymer Nanocomposites Based on Poly(dimethylsiloxane) and Zirconia Nanoparticles: Reactive versus Passive Nanofillers, ACS Applied Polymer Materials, 2, 394−403, 2019.
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Sangchul Roh, Austin H. Williams, Rachel S. Bang, Simeon D. Stoyanov and Orlin D. Velev*, Soft Dendritic Microparticles with Unusual Adhesion and Structuring Properties, Nature Materials, 18, 1315−1320, 2019.
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Sangchul Roh, Lilian Okello, Jessica Liu, Nuran Golbasi, Joseph Tracy and Orlin D. Velev*, 3D-Printed Silicone Soft Architectures with Programmed Magneto-Capillary Reconfiguration, Advanced Materials Technologies, 4, 1800528, 2019.
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Sangchul Roh and Orlin D. Velev*, Nanomaterials Fabrication by Interfacial Templating and Capillary Engineering in Multiphasic Liquids, AIChE Journal, 64, 3558-3564, 2018.
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Sangchul Roh, Dishit P. Parekh, Bhuvnesh Bharti, Simeon D. Stoyanov and Orlin D. Velev*, 3D Printing by Multiphase Silicone/Water Capillary Inks, Advanced Materials, 29, 1701554, 2017.
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Eun Yub Choi, Sang Chul Roh and Chang Keun Kim*, Noncovalent Functionalization of Multi-Walled Carbon Nanotubes with Pyrene-Linked Nylon66 for High-Performance Nylon66/Multi-Walled Carbon Nanotube Composites, Carbon, 72, 160−168, 2014.
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Sang Chul Roh, Eun Yub Choi, Yeon Sik Choi and Chang Keun Kim*, Characterization of the Surface Energies of Functionalized Multi-Walled Carbon Nanotubes and Their Interfacial Adhesion Energies with Various Polymers, Polymer, 55, 1527−1536, 2014.
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Sang Chul Roh, Jisun Kim and Chang Keun Kim*, Characteristics of Nylon 6,6/Nylon 6,6-Grafted Multi-Walled Carbon Nanotube Composites Fabricated by Reactive Extrusion, Carbon, 60, 317−325, 2013.
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Hyungu Im, Sang Chul Roh, Chang Keun Kim*, Characteristics of Thermoplastic Polyurethane Composites Containing Surface-Treated Multiwalled Carbon Nanotubes for Underwater Applications, Macromolecular Research, 21, 614-623, 2013.
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Sang Chul Roh, Mi Jung Park, Sun Hwa Yoo and Chang Keun Kim*, Changes in Microporous Structure of Polyethylene Membrane Fabricated from PE/PTMG/Paraffin Ternary Mixtures, Journal of Membrane Science, 411, 201−210, 2012.
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Hyungu Im, Sang Chul Roh, Chang Keun Kim*, Fabrication of Novel Polyurethane Elastomer Composites Containing Hollow Glass Microspheres and Their Underwater Applications, Industrial & Engineering Chemistry Research, 50, 7305-7312, 2011.