On-chip production of size-controllable liquid metal microdroplets using acoustic waves

Research output: Contribution to journalArticlepeer-review

Standard

On-chip production of size-controllable liquid metal microdroplets using acoustic waves. / Tang, S.-Y.; Ayan, B.; Nama, N.; Bian, Y.; Lata, J.P.; Guo, X.; Huang, T.J.

In: Small, Vol. 12, No. 28, 27.07.2016, p. 3861-3869.

Research output: Contribution to journalArticlepeer-review

Harvard

Tang, S-Y, Ayan, B, Nama, N, Bian, Y, Lata, JP, Guo, X & Huang, TJ 2016, 'On-chip production of size-controllable liquid metal microdroplets using acoustic waves', Small, vol. 12, no. 28, pp. 3861-3869. https://doi.org/10.1002/smll.201600737

APA

Tang, S-Y., Ayan, B., Nama, N., Bian, Y., Lata, J. P., Guo, X., & Huang, T. J. (2016). On-chip production of size-controllable liquid metal microdroplets using acoustic waves. Small, 12(28), 3861-3869. https://doi.org/10.1002/smll.201600737

Vancouver

Author

Tang, S.-Y. ; Ayan, B. ; Nama, N. ; Bian, Y. ; Lata, J.P. ; Guo, X. ; Huang, T.J. / On-chip production of size-controllable liquid metal microdroplets using acoustic waves. In: Small. 2016 ; Vol. 12, No. 28. pp. 3861-3869.

Bibtex

@article{ae2c6dba738b4ea487bf91e23f600923,
title = "On-chip production of size-controllable liquid metal microdroplets using acoustic waves",
abstract = "Micro‐ to nanosized droplets of liquid metals, such as eutectic gallium indium (EGaIn) and Galinstan, have been used for developing a variety of applications in flexible electronics, sensors, catalysts, and drug delivery systems. Currently used methods for producing micro‐ to nanosized droplets of such liquid metals possess one or several drawbacks, including the lack in ability to control the size of the produced droplets, mass produce droplets, produce smaller droplet sizes, and miniaturize the system. Here, a novel method is introduced using acoustic wave‐induced forces for on‐chip production of EGaIn liquid‐metal microdroplets with controllable size. The size distribution of liquid metal microdroplets is tuned by controlling the interfacial tension of the metal using either electrochemistry or electrocapillarity in the acoustic field. The developed platform is then used for heavy metal ion detection utilizing the produced liquid metal microdroplets as the working electrode. It is also demonstrated that a significant enhancement of the sensing performance is achieved by introducing acoustic streaming during the electrochemical experiments. The demonstrated technique can be used for developing liquid‐metal‐based systems for a wide range of applications.",
keywords = "acoustics, EGaIn, liquid metal, electrochemistry, heavy metal ion sensing, microdroplets",
author = "S.-Y. Tang and B. Ayan and N. Nama and Y. Bian and J.P. Lata and X. Guo and T.J. Huang",
year = "2016",
month = jul,
day = "27",
doi = "10.1002/smll.201600737",
language = "English",
volume = "12",
pages = "3861--3869",
journal = "Small",
issn = "1613-6810",
publisher = "Wiley-VCH Verlag",
number = "28",

}

RIS

TY - JOUR

T1 - On-chip production of size-controllable liquid metal microdroplets using acoustic waves

AU - Tang, S.-Y.

AU - Ayan, B.

AU - Nama, N.

AU - Bian, Y.

AU - Lata, J.P.

AU - Guo, X.

AU - Huang, T.J.

PY - 2016/7/27

Y1 - 2016/7/27

N2 - Micro‐ to nanosized droplets of liquid metals, such as eutectic gallium indium (EGaIn) and Galinstan, have been used for developing a variety of applications in flexible electronics, sensors, catalysts, and drug delivery systems. Currently used methods for producing micro‐ to nanosized droplets of such liquid metals possess one or several drawbacks, including the lack in ability to control the size of the produced droplets, mass produce droplets, produce smaller droplet sizes, and miniaturize the system. Here, a novel method is introduced using acoustic wave‐induced forces for on‐chip production of EGaIn liquid‐metal microdroplets with controllable size. The size distribution of liquid metal microdroplets is tuned by controlling the interfacial tension of the metal using either electrochemistry or electrocapillarity in the acoustic field. The developed platform is then used for heavy metal ion detection utilizing the produced liquid metal microdroplets as the working electrode. It is also demonstrated that a significant enhancement of the sensing performance is achieved by introducing acoustic streaming during the electrochemical experiments. The demonstrated technique can be used for developing liquid‐metal‐based systems for a wide range of applications.

AB - Micro‐ to nanosized droplets of liquid metals, such as eutectic gallium indium (EGaIn) and Galinstan, have been used for developing a variety of applications in flexible electronics, sensors, catalysts, and drug delivery systems. Currently used methods for producing micro‐ to nanosized droplets of such liquid metals possess one or several drawbacks, including the lack in ability to control the size of the produced droplets, mass produce droplets, produce smaller droplet sizes, and miniaturize the system. Here, a novel method is introduced using acoustic wave‐induced forces for on‐chip production of EGaIn liquid‐metal microdroplets with controllable size. The size distribution of liquid metal microdroplets is tuned by controlling the interfacial tension of the metal using either electrochemistry or electrocapillarity in the acoustic field. The developed platform is then used for heavy metal ion detection utilizing the produced liquid metal microdroplets as the working electrode. It is also demonstrated that a significant enhancement of the sensing performance is achieved by introducing acoustic streaming during the electrochemical experiments. The demonstrated technique can be used for developing liquid‐metal‐based systems for a wide range of applications.

KW - acoustics

KW - EGaIn

KW - liquid metal

KW - electrochemistry

KW - heavy metal ion sensing

KW - microdroplets

UR - http://www.scopus.com/inward/record.url?eid=2-s2.0-84978997859&partnerID=MN8TOARS

U2 - 10.1002/smll.201600737

DO - 10.1002/smll.201600737

M3 - Article

VL - 12

SP - 3861

EP - 3869

JO - Small

JF - Small

SN - 1613-6810

IS - 28

ER -