In Situ Self‐Assembly of Nanoscale Particles into Macroscale Ordered Monolayers with Enhanced Memory Performance (2022)
Journal Article
Li, W., Sun, K., Yang, L., Mao, X., Deng, S., Jiang, H., …Zhu, J. (2023). In Situ Self‐Assembly of Nanoscale Particles into Macroscale Ordered Monolayers with Enhanced Memory Performance. Small, 29(11), Article 2207468. https://doi.org/10.1002/smll.202207468

In situ fabrication of macroscale ordered monolayers of nanoparticles (NPs) on targeted substrates is highly desirable for precision electronic and optical devices, while it remains a great challenge. In this study, a solution is provided to address... Read More about In Situ Self‐Assembly of Nanoscale Particles into Macroscale Ordered Monolayers with Enhanced Memory Performance.

Evaporation of a thin droplet in a shallow well: theory and experiment (2021)
Journal Article
D'Ambrosio, H., Colosimo, T., Duffy, B., Wilson, S., Yang, L., Bain, C., & Walker, D. (2021). Evaporation of a thin droplet in a shallow well: theory and experiment. Journal of Fluid Mechanics, 927, Article A43. https://doi.org/10.1017/jfm.2021.772

Motivated by the industrial manufacture of OLED displays, we formulate and analyse a mathematical model for the evolution of a thin droplet in a shallow axisymmetric well of rather general shape both before and after touchdown that accounts for the s... Read More about Evaporation of a thin droplet in a shallow well: theory and experiment.

Evaporation of Binary-Mixture Liquid Droplets: The Formation of Picoliter Pancakelike Shapes (2021)
Journal Article
Pahlavan, A. A., Yang, L., Bain, C. D., & Stone, H. A. (2021). Evaporation of Binary-Mixture Liquid Droplets: The Formation of Picoliter Pancakelike Shapes. Physical Review Letters, 127(2), Article 024501. https://doi.org/10.1103/physrevlett.127.024501

Small multicomponent droplets are of increasing importance in a plethora of technological applications ranging from the fabrication of self-assembled hierarchical patterns to the design of autonomous fluidic systems. While often far away from equilib... Read More about Evaporation of Binary-Mixture Liquid Droplets: The Formation of Picoliter Pancakelike Shapes.

Wetting and Drying of Aqueous Droplets Containing Nonionic Surfactants CnEm (2021)
Journal Article
Shi, J., Yang, L., & Bain, C. D. (2021). Wetting and Drying of Aqueous Droplets Containing Nonionic Surfactants CnEm. Langmuir, 37(14), 4091-4101. https://doi.org/10.1021/acs.langmuir.0c03479

This paper presents a systematic study of the wetting and drying of aqueous pico-liter droplets containing nonionic surfactants polyoxyethylene alkyl ethers (CnEm; n = 10, 12, 14, m = 6 or 8) in comparison with the anionic surfactant sodium dodecyl s... Read More about Wetting and Drying of Aqueous Droplets Containing Nonionic Surfactants CnEm.

A general ink formulation of 2d crystals for wafer-scale inkjet printing (2020)
Journal Article
Hu, G., Yang, L., Yang, Z., Wang, Y., Jin, X., Dai, J., …Hasan, T. (2020). A general ink formulation of 2d crystals for wafer-scale inkjet printing. Science Advances, 6(33), Article eaba5029. https://doi.org/10.1126/sciadv.aba5029

Recent advances in inkjet printing of two-dimensional (2D) crystals show great promise for next-generation printed electronics development. Printing nonuniformity, however, results in poor reproducibility in device performance and remains a major imp... Read More about A general ink formulation of 2d crystals for wafer-scale inkjet printing.

In Situ Fabrication of Polymeric Microcapsules by Ink-Jet Printing of Emulsions (2019)
Journal Article
Deng, R., Wang, Y., Yang, L., & Bain, C. D. (2019). In Situ Fabrication of Polymeric Microcapsules by Ink-Jet Printing of Emulsions. ACS Applied Materials and Interfaces, 11(43), 40652-40661. https://doi.org/10.1021/acsami.9b14417

Phase separation driven by solvent evaporation of emulsions can be used to create polymeric microcapsules. The combination of emulsion solvent evaporation with ink-jet printing allows the rapid fabrication of polymeric microcapsules at a target locat... Read More about In Situ Fabrication of Polymeric Microcapsules by Ink-Jet Printing of Emulsions.

Fabrication of monolayers of uniform polymeric particles by inkjet printing of monodisperse emulsions produced by microfluidics (2019)
Journal Article
Wang, Y., Deng, R., Yang, L., & Bain, C. D. (2019). Fabrication of monolayers of uniform polymeric particles by inkjet printing of monodisperse emulsions produced by microfluidics. Lab on a Chip, 19(18), 3077-3085. https://doi.org/10.1039/c9lc00588a

Emulsion solvent evaporation is a well-established method for generating microparticles from solutions of polymers in volatile organic solvents dispersed in an aqueous medium. Previous work has shown that this approach can also be used to deposit par... Read More about Fabrication of monolayers of uniform polymeric particles by inkjet printing of monodisperse emulsions produced by microfluidics.

Drying of ethanol/water droplets containing silica nanoparticles (2019)
Journal Article
Shi, J., Yang, L., & Bain, C. D. (2019). Drying of ethanol/water droplets containing silica nanoparticles. ACS Applied Materials and Interfaces, 11(15), 14275-14285. https://doi.org/10.1021/acsami.8b21731

The evaporation of colloidal drop on a substrate with a pinned contact line usually results in a ring stain (the so-called coffee-ring effect). In this paper, we present an investigation of the evaporation of sessile picoliter droplets of binary solv... Read More about Drying of ethanol/water droplets containing silica nanoparticles.

Drop-on-demand satellite-free drop formation for precision fluid delivery (2018)
Journal Article
Yang, L., Kapur, N., Wang, Y., Fiesser, F., Bierbrauer, F., Wilson, M. C., …Bain, C. D. (2018). Drop-on-demand satellite-free drop formation for precision fluid delivery. Chemical Engineering Science, 186, 102-115. https://doi.org/10.1016/j.ces.2018.04.014

A drop-on-demand liquid dispensing system, based on a rotary piston pump, for delivering microlitre droplets at ∼ 10 Hz is analysed. Five types of drop formation are observed under different pump operation schemes, characterised by the breakup behavi... Read More about Drop-on-demand satellite-free drop formation for precision fluid delivery.

Combining Inkjet Printing with Emulsion Solvent Evaporation to Pattern Polymeric Particles (2018)
Journal Article
Deng, R., Yang, L., & Bain, C. D. (2018). Combining Inkjet Printing with Emulsion Solvent Evaporation to Pattern Polymeric Particles. ACS Applied Materials and Interfaces, 10(15), 12317-12322. https://doi.org/10.1021/acsami.8b02017

We demonstrate a concept to produce deposits of polymer in the form of particles by inkjet printing an emulsion in which the discrete phase evaporates preferentially. An oil/water emulsion with polymer contained inside the oil phase is used as ink fo... Read More about Combining Inkjet Printing with Emulsion Solvent Evaporation to Pattern Polymeric Particles.

Printing Small Dots from Large Drops (2015)
Journal Article
Talbot, E. L., Yow, H. N., Yang, L., Berson, A., Biggs, S. R., & Bain, C. D. (2015). Printing Small Dots from Large Drops. ACS Applied Materials and Interfaces, 7(6), 3782-3790. https://doi.org/10.1021/am5087177

Printing of droplets of pure solvents containing suspended solids typically leads to a ring stain due to convective transport of the particles toward the contact line during evaporation of the solvent. In mixtures of volatile solvents, recirculating... Read More about Printing Small Dots from Large Drops.

Determination of dynamic surface tension and viscosity of non-Newtonian fluids from drop oscillations (2014)
Journal Article
Yang, L., Kazmierski, B. K., Hoath, S. D., Jung, S., Hsiao, W., Wang, Y., …Bain, C. D. (2014). Determination of dynamic surface tension and viscosity of non-Newtonian fluids from drop oscillations. Physics of Fluids, 26(11), Article 113103. https://doi.org/10.1063/1.4901823

The oscillations of free-falling drops with size range from pl to μl have been used to measure the transient shear viscosity and the dynamic surface tension of shear-thinning fluids on the timescale of 10−5–10−2 s. The method is first validated with... Read More about Determination of dynamic surface tension and viscosity of non-Newtonian fluids from drop oscillations.

Control of the Particle Distribution in Inkjet Printing through an Evaporation-Driven Sol-Gel Transition (2014)
Journal Article
Talbot, E., Yang, L., Berson, A., & Bain, C. (2014). Control of the Particle Distribution in Inkjet Printing through an Evaporation-Driven Sol-Gel Transition. ACS Applied Materials and Interfaces, 6(12), 9572-9583. https://doi.org/10.1021/am501966n

A ring stain is often an undesirable consequence of droplet drying. Particles inside evaporating droplets with a pinned contact line are transported toward the periphery by radial flow. In this paper, we demonstrate how suspensions of laponite can be... Read More about Control of the Particle Distribution in Inkjet Printing through an Evaporation-Driven Sol-Gel Transition.

Study of liquid jet instability by confocal microscopy (2012)
Journal Article
Yang, L., Adamson, L. J., & Bain, C. D. (2012). Study of liquid jet instability by confocal microscopy. Review of Scientific Instruments, 83(7), Article 073104. https://doi.org/10.1063/1.4734017

The instability of a liquid microjet was used to measure the dynamic surface tension of liquids at the surface ages of ≤1 ms using confocal microscopy. The reflected light from a laser beam at normal incidence to the jet surface is linear in the disp... Read More about Study of liquid jet instability by confocal microscopy.