Direct Measurement of Adhesions of Liquids on Graphite

Cangyu Qu; Wei Cao; Bingtong Liu; Anle Wang; Fankai Xie; Ming Ma; Wenzhe Shan; Michael Urbakh; Quanshui Zheng

doi:10.1021/acs.jpcc.9b00900

Direct Measurement of Adhesions of Liquids on Graphite

Cangyu Qu, Wei Cao, Bingtong Liu, Anle Wang, Fankai Xie, Ming Ma, Wenzhe Shan, Michael Urbakh, Quanshui Zheng^*

^*Corresponding author for this work

School of Chemistry

Research output: Contribution to journal › Article › peer-review

11 Scopus citations

Abstract

Two-dimensional (2D) materials have a great potential to both enhance existing technologies and create a range of new applications. Precise knowledge of interfacial energy in contacts between 2D materials and liquids is a key step toward understanding their interfacial properties and functioning. Here, we propose a direct method to measure the graphite-liquid interfacial energies. The method is based on the use of superlubricity phenomenon that is a state of ultralow friction and wear, which has been achieved for a number of layered materials. This new methodology may be extended to other 2D materials and liquids and is expected to have an impact on both the fundamental understanding of the solid-liquid interactions and the design and fabrication of devices including 2D materials.

Original language	English
Pages (from-to)	11671-11676
Number of pages	6
Journal	Journal of Physical Chemistry C
Volume	123
Issue number	18
DOIs	https://doi.org/10.1021/acs.jpcc.9b00900
State	Published - 9 May 2019

Funding

Funders	Funder number
Cyrus Tang Foundation	202003
Deutsche Forschungsgemeinschaft	BA 1008/21
National Natural Science Foundation of China	11372153, 11632009, 11772168, 11890670, 11572173, 11172149
Israel Science Foundation	1141/18
Tsinghua University	2012Z01015, 2014z01007
Beijing Municipal Science and Technology Commission	Z151100003315008
Recruitment Program of Global Experts	61050200116
National Key Research and Development Program of China	2013CB934200

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10.1021/acs.jpcc.9b00900

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title = "Direct Measurement of Adhesions of Liquids on Graphite",

abstract = "Two-dimensional (2D) materials have a great potential to both enhance existing technologies and create a range of new applications. Precise knowledge of interfacial energy in contacts between 2D materials and liquids is a key step toward understanding their interfacial properties and functioning. Here, we propose a direct method to measure the graphite-liquid interfacial energies. The method is based on the use of superlubricity phenomenon that is a state of ultralow friction and wear, which has been achieved for a number of layered materials. This new methodology may be extended to other 2D materials and liquids and is expected to have an impact on both the fundamental understanding of the solid-liquid interactions and the design and fabrication of devices including 2D materials.",

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AU - Qu, Cangyu

AU - Cao, Wei

AU - Liu, Bingtong

AU - Wang, Anle

AU - Xie, Fankai

AU - Ma, Ming

AU - Shan, Wenzhe

AU - Urbakh, Michael

AU - Zheng, Quanshui

PY - 2019/5/9

Y1 - 2019/5/9

N2 - Two-dimensional (2D) materials have a great potential to both enhance existing technologies and create a range of new applications. Precise knowledge of interfacial energy in contacts between 2D materials and liquids is a key step toward understanding their interfacial properties and functioning. Here, we propose a direct method to measure the graphite-liquid interfacial energies. The method is based on the use of superlubricity phenomenon that is a state of ultralow friction and wear, which has been achieved for a number of layered materials. This new methodology may be extended to other 2D materials and liquids and is expected to have an impact on both the fundamental understanding of the solid-liquid interactions and the design and fabrication of devices including 2D materials.

AB - Two-dimensional (2D) materials have a great potential to both enhance existing technologies and create a range of new applications. Precise knowledge of interfacial energy in contacts between 2D materials and liquids is a key step toward understanding their interfacial properties and functioning. Here, we propose a direct method to measure the graphite-liquid interfacial energies. The method is based on the use of superlubricity phenomenon that is a state of ultralow friction and wear, which has been achieved for a number of layered materials. This new methodology may be extended to other 2D materials and liquids and is expected to have an impact on both the fundamental understanding of the solid-liquid interactions and the design and fabrication of devices including 2D materials.

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Direct Measurement of Adhesions of Liquids on Graphite

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