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  • Received: Apr. 19, 2016

    Accepted: Jun. 14, 2016

    Posted: Jan. 28, 2019

    Published Online: Aug. 3, 2018

    The Author Email: Mingli Jiao (liuxmcumt@126.com)

    DOI: 10.3788/COL201614.081402

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    Xiumei Liu, Mingli Jiao. Behavior of microbubbles on spatially controlled golden nanoparticles[J]. Chinese Optics Letters, 2016, 14(8): 081402

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Chinese Optics Letters, Vol. 14, Issue 8, 081402 (2016)

Behavior of microbubbles on spatially controlled golden nanoparticles

Xiumei Liu and Mingli Jiao*

Author Affiliations

  • School of Mechatronic Engineering, China University of Mining and Technology, Xuzhou 221116, China

Abstract

Incipient plasmonic bubble formation is observed around gold nanopillars with different inter-nanopillar separations. The experimental measurements and theoretical analysis show that the nanobubble formation is due to the enhanced plasmonic resonance rather than from the laser heating. Inter-nanopillar distribution may lead to threshold fluence variations. The lifetime of plasmonic bubbles can reach several minutes. Furthermore, both the radius and the growth rate of the plasmonic nanobubble increase as the inter-nanopillar distribution decreases. Smaller-spacing distributed arrays produced larger bubbles. The maximum growth rate of the bubbles can be reached at about 883.5×10 6 m/s on 1 μm nanopillars, but it is only 56.9×10 6 m/s on 4 μm nanopillars.

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