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Conference Paper: A nanopipette enables manipulation of nano-matters in fluids
Title | A nanopipette enables manipulation of nano-matters in fluids |
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Authors | |
Issue Date | 2019 |
Citation | MSE Research Seminar, Department of Material Science and Engineering (MSE), Southern University of Science and Technology (SUSTECH), Shenzhen, China, 22 February 2019 How to Cite? |
Abstract | The ability to print and manipulate nanoscale objects affects diverse fields as materials science, nanotechnology, and biomedicine. Although many scientists and engineers have continually developed clever and high-precision techniques, new methods are still in great demand for different materials and geometries. Here I will present nanopipette-assisted methods for single particle manipulation and 3D printing: 1) scanning-aperture electrostatic tweezers and 2) meniscus-guided 3D printing. First, I will discuss an interesting finding that surface charges of glass nanopipettes can be used to pick and place single charged nanoparticles at will in a fluid [1]. This technique, scanning-aperture electrostatic trap, enables contact-free, size-independent trapping of very small single nanoparticles. The application to fundamental study on plasmonics will also be discussed [2]. Second, I will discuss a meniscus-guided 3D printing method that exploits a mechanically flexible liquid meniscus formed at a pipette-substrate gap to 3D print functional materials at the micro/nanoscale. This technique can be successfully applied to various materials such as polymers [3,4], graphene [5], metals [6], CNTs [7], and soft microbubbles [8]. [1] J. T. Kim et al, Nat. Commun. 5, 3380 (2014) [2] Y. Tuna, J. T. Kim et al, ACS Nano 11, 7674 (2017) [3] J. T. Kim et al, Adv. Mater. 23, 1968 (2011) [4] M. Chen et al, ACS Nano 12, 4172 (2018) [5] J. H. Kim et al, Adv. Mater. 27, 157 (2015) [6] S. K. Seol et al, Small 11, 3896 (2015) [7] J. H. Kim et al, ACS Nano 10, 8879 (2016) [8] J. T. Kim et al, ACS Macro Lett. 7, 1267 (2018) |
Persistent Identifier | http://hdl.handle.net/10722/297763 |
DC Field | Value | Language |
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dc.contributor.author | Kim, J | - |
dc.date.accessioned | 2021-03-29T10:07:38Z | - |
dc.date.available | 2021-03-29T10:07:38Z | - |
dc.date.issued | 2019 | - |
dc.identifier.citation | MSE Research Seminar, Department of Material Science and Engineering (MSE), Southern University of Science and Technology (SUSTECH), Shenzhen, China, 22 February 2019 | - |
dc.identifier.uri | http://hdl.handle.net/10722/297763 | - |
dc.description.abstract | The ability to print and manipulate nanoscale objects affects diverse fields as materials science, nanotechnology, and biomedicine. Although many scientists and engineers have continually developed clever and high-precision techniques, new methods are still in great demand for different materials and geometries. Here I will present nanopipette-assisted methods for single particle manipulation and 3D printing: 1) scanning-aperture electrostatic tweezers and 2) meniscus-guided 3D printing. First, I will discuss an interesting finding that surface charges of glass nanopipettes can be used to pick and place single charged nanoparticles at will in a fluid [1]. This technique, scanning-aperture electrostatic trap, enables contact-free, size-independent trapping of very small single nanoparticles. The application to fundamental study on plasmonics will also be discussed [2]. Second, I will discuss a meniscus-guided 3D printing method that exploits a mechanically flexible liquid meniscus formed at a pipette-substrate gap to 3D print functional materials at the micro/nanoscale. This technique can be successfully applied to various materials such as polymers [3,4], graphene [5], metals [6], CNTs [7], and soft microbubbles [8]. [1] J. T. Kim et al, Nat. Commun. 5, 3380 (2014) [2] Y. Tuna, J. T. Kim et al, ACS Nano 11, 7674 (2017) [3] J. T. Kim et al, Adv. Mater. 23, 1968 (2011) [4] M. Chen et al, ACS Nano 12, 4172 (2018) [5] J. H. Kim et al, Adv. Mater. 27, 157 (2015) [6] S. K. Seol et al, Small 11, 3896 (2015) [7] J. H. Kim et al, ACS Nano 10, 8879 (2016) [8] J. T. Kim et al, ACS Macro Lett. 7, 1267 (2018) | - |
dc.language | eng | - |
dc.relation.ispartof | MSE Research Seminar, Department of Material Science and Engineering (MSE), Southern University of Science and Technology (SUSTECH) | - |
dc.title | A nanopipette enables manipulation of nano-matters in fluids | - |
dc.type | Conference_Paper | - |
dc.identifier.email | Kim, J: jtkim@hku.hk | - |
dc.identifier.authority | Kim, J=rp02152 | - |
dc.identifier.hkuros | 301627 | - |