Journal Papers


"The Buckling Spectra of Nanoparticle Surfactant Assemblies"

Joe Forth, Andres Mariano, Yu Chai, Anju Toor, Jaffar Hasnain, Yufeng Jiang, Wenqian Feng, Xubo Liu, Phillip L Geissler, Narayanan Menon, Brett A Helms, Paul D Ashby, Thomas P Russell*

Nano Letters, 21, 7116, (2021), Link

"Visualizing Interfacial Jamming Using an Aggregation‐Induced‐Emission Molecular Reporter"

Pei‐Yang Gu#, Feng Zhou#, Ganhua Xie#, Paul Y Kim, Yu Chai, Qin Hu, Shaowei Shi, Qing‐Feng Xu, Feng Liu, Jian‐Mei Lu*, Thomas P Russell*

Angew. Chem. Int. Ed. 60, 8694, (2021), Link

"Ferromagnetic liquid droplets with adjustable magnetic properties"

Xuefei Wu, Robert Streubel*, Xubo Liu, Paul Y Kim, Yu Chai, Qin Hu, Dong Wang*, Peter Fischer, Thomas P Russell*

PNAS, 118, e2017355118, (2021), Link

"Surfactant‐Induced Interfacial Aggregation of Porphyrins for Structuring Color‐Tunable Liquids"

Pei‐Yang Gu, Ganhua Xie, Paul Y Kim, Yu Chai, Xuefei Wu, Yufeng Jiang, Qing‐Feng Xu, Feng Liu, Jian‐Mei Lu*, Thomas P Russell*

Angew. Chem. Int. Ed. 60, 2871, (2021), Link


"Direct observation of nanoparticle-surfactant assembly and jamming at the water-oil interface"

Yu Chai, Jaffar Hasnain, Kushaan Bahl, Matthew Wong, Dong Li, Phillip Geissler, Paul Y Kim, Yufeng Jiang, Peiyang Gu, Siqi Li, Dangyuan Lei, Brett A Helms, Thomas P Russell*, Paul D Ashby*

Science Advances 6, eabb8675, (2020), Link 

(Highlight: Azo Optics, Technology Networks, Chem Europe, Bionity, Newswise, Science Daily, Azo Nano, Nanowerk, ScenMag,, etc. )

"Using Mw Dependence of Surface Dynamics of Glassy Polymers to Probe the Length Scale of Free- Surface Mobility"

Yu Chai, Thomas Salez, James A Forrest*

Macromolecules 53, 1084-1089, (2020), Link


"Compartmentalized, all-aqueous flow-through-coordinated reaction systems"

Ganhua Xie, Joe Forth, Yu Chai, Paul D Ashby, Brett A Helms, Thomas P Russell*

Chem 5, 2678-2690, (2019), Link

"Mechanical properties of solidifying assemblies of nanoparticle surfactants at the oil–water interface"

Anju Toor#, Joe Forth#, Simone Bochner de Araujo, Maria Consiglia Merola, Yufeng Jiang, Xubo Liu, Yu Chai, Honghao Hou, Paul D Ashby, Gerald G Fuller, Thomas P Russell*

Langmuir 35, 13340, (2019), Link

"Stabilizing Liquids Using Interfacial Supramolecular Polymerization"

Pei‐Yang Gu#, Yu Chai#, Honghao Hou, Ganhua Xie, Yufeng Jiang, Qing‐Feng Xu, Feng Liu*, Paul D Ashby, Jian‐Mei Lu*, Thomas P Russell*

Angew. Chem. Int. Ed. 58, 12112, (2019), Link

“Reconfigurable ferromagnetic liquid droplets”

Xubo Liu, Noah Kent, Alejandro Ceballos, Robert Streubel, Yufeng Jiang, Yu Chai, Paul Y Kim, Joe Forth, Frances Hellman, Shaowei Shi, Dong Wang, Brett A Helms, Paul D Ashby, Peter Fischer, Thomas P Russell*

Science 365, 264, (2019), Link

"Harnessing liquid-in-liquid printing and micropatterned substrates to fabricate 3-dimensional all-liquid fluidic devices"

Wenqian Feng, Yu Chai, Joe Forth, Paul D Ashby, Thomas P Russell, Brett A Helms*

Nature Communications 10, 1085, (2019), Link

"Assessing pair interaction potentials of nanoparticles on liquid interfaces"

Paul Y Kim, Yige Gao, Yu Chai, Paul D Ashby, Alexander E Ribbe, David A Hoagland*, Thomas P Russell*

ACS Nano 13, 3075, (2019), Link


"Guiding kinetic trajectories between jammed and unjammed states in 2D colloidal nanocrystal-polymer assemblies with zwitterionic ligands"

Ziyi Zhang, Yufeng Jiang, Caili Huang, Yu Chai, Elise Goldfine, Feng Liu, Wenqian Feng, Joe Forth, Teresa E Williams, Paul D Ashby, Thomas P Russell*, Brett A Helms*

Science Advances 4, eaap8045, (2018), Link

"The interfacial assembly of polyoxometalate nanoparticle surfactants"

Caili Huang, Yu Chai, Yufeng Jiang, Joe Forth, Paul D Ashby, Matthias ML Arras, Kunlun Hong, Gregory S Smith, Panchao Yin*, Thomas P Russell*

Nano Letters 18, 2525-2529, (2018), Link

"Using atomic force microscopy to probe crystallization in atactic polystyrenes"

Yu Chai, James A Forrest*

Macromolecular Chemistry and Physics 219, 1700466, (2018), Link

"Crystallization of low molecular weight atactic polystyrene"

Yu Chai, Adam N Raegen, Shipei Zhu, James A Forrest*

Soft matter 14, 6883-6891, (2018), Link

"Direct measurements of the temperature, depth and processing dependence of phenyl ring dynamics in polystyrene thin films by β-detected NMR"

Iain McKenzie*, Yu Chai, David L Cortie, James A Forrest, Derek Fujimoto, Victoria L Karner, Robert F Kiefl, CD Philip Levy, W Andrew MacFarlane, Ryan ML McFadden, Gerald D Morris, Matthew R Pearson, Shipei Zhu

Soft Matter 14, 7324, (2018), Link


"Fine-tuning nanoparticle packing at water–oil interfaces using ionic strength"

Yu Chai, Alysia Lukito, Yufeng Jiang, Paul D Ashby*, Thomas P Russell*

Nano Letters 17, 6453, (2017), Link

"Carboxylated fullerene at the oil/water interface"

Rongqiang Li, Yu Chai, Yufeng Jiang, Paul D Ashby, Anju Toor, Thomas P Russell*

ACS Applied Materials & Interfaces 9, 34389, (2017), Link

"Evaporative purification to produce highly monodisperse polymers: Application to polystyrene for n = 3 -13 and quantification of Tg from oligomer to polymer"

S Zhu, Y Chai, JA Forrest*

Physical Review Materials 1, 025605, (2017), Link

"50th Anniversary Perspective: Putting the Squeeze on Polymers: A Perspective on Polymer Thin Films and Interfaces"

Thomas P Russell*, Yu Chai

Macromolecules 50, 4597, (2017), Link


"Measuring the solubility of solids in non-solvents: case of polystyrene in alkanes"

F-Y Lin, WSR Forrest, CR Daley, Y Chai, JA Forrest*

The European Physical Journal E 39, 99, (2016), Link

"Nanoporous polystyrene prepared via the selective removal of the low M w component in polystyrene blends"

Fan-Yen Lin, Chad Daley, Jeremy Flannery, Sonia Zhang, Yu Chai, James A Forrest*

Polymer Journal 48, 983, (2016), Link


"A direct quantitative measure of surface mobility in a glassy polymer"

Yu Chai, Thomas Salez, Joshua D McGraw, Michael Benzaquen, Kari Dalnoki-Veress, Elie Raphaël, James A Forrest*

Science 343 (6174), 994, (2014), Link

(Highlight:,, Innovation Report, R&D, Science Daily, Nanowerk, etc.)


"Molecular weight dependence of near surface dynamical mechanical properties of polymers"

D Qi, CR Daley, Y Chai, JA Forrest*

Soft Matter 9, 8958, (2013), Link

Book Chapters

"Bijels the Easy Way"

Joe Forth, Anju Toor, Yu Chai, Caili Huang, Xubo Liu, Wenqian Feng, Shaowei Shi, Dong Wang, Paul D Ashby, Brett A Helms, Thomas P Russell

RSC Soft Matter (2020)