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KCl acts as a flux ...
KCl acts as a flux to assist the growth of sub-millimeter-scale metallic 2D non-layered molybdenum dioxide
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- Deng, Liying (author)
- Fuzhou University,Fujian Agriculture and Forestry University (FAFU)
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- Zhang, Qing (author)
- Tianjin University
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- Li, Wangyang (author)
- Fuzhou University
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- Ye, Xiao Yuan (author)
- Fuzhou University
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- Zhao, Yi Fan (author)
- Shenzhen Institute of Advanced Technology
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- Chen, Shen Zhong (author)
- Fuzhou University
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- Wang, Yu Lan (author)
- Fuzhou University
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- Wang, Xinghui (author)
- Fuzhou University
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- Chen, Hui Peng (author)
- Fuzhou University
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- Yu, Zhi Yang (author)
- Fuzhou University
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- Yan, Qun (author)
- Fuzhou University
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- Cheng, Shu Ying (author)
- Fuzhou University
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- Guo, Tailiang (author)
- Fuzhou University
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- Hu, Wen Ping (author)
- Tianjin University
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- Ding, Feng (author)
- Institute for Basic Science,Ulsan National Institute of Science and Technology (UNIST)
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- Sun, Jie, 1977 (author)
- Fuzhou University,Chalmers tekniska högskola,Chalmers University of Technology
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(creator_code:org_t)
- 2024
- 2024
- English.
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In: Rare Metals. - 1001-0521 .- 1867-7185. ; In Press
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https://doi.org/10.1...
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Abstract
Subject headings
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- Two-dimensional (2D) metal oxides (2DMOs), such as MoO2, have made impressive strides in recent years, and their applicability in a number of fields such as electronic devices, optoelectronic devices and lasers has been demonstrated. However, 2DMOs present challenges in their synthesis using conventional methods due to their non-van der Waals nature. We report that KCl acts as a flux to prepare large-area 2DMOs with sub-millimeter scale. We systematically investigate the effects of temperature, homogeneous time and cooling rate on the products in the flux method, demonstrating that in this reaction a saturated homogenous solution is obtained upon the melting of the salt and precursor. Afterward, the cooling rate was adjusted to regulate the thickness of the target crystals, leading to the precipitation of 2D non-layered material from the supersaturated solution; by applying this method, the highly crystalline non-layered 2D MoO2 flakes with so far the largest lateral size of up to sub-millimeter scale (~ 464 μm) were yielded. Electrical studies have revealed that the 2D MoO2 features metallic properties, with an excellent sheet resistance as low as 99 Ω·square−1 at room temperature, and exhibits a property of charge density wave in the measurement of resistivity as a function of temperature. Graphical abstract: TOC (Table of Content) (Figure presented.)
Subject headings
- NATURVETENSKAP -- Kemi -- Materialkemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Materials Chemistry (hsv//eng)
- NATURVETENSKAP -- Fysik -- Den kondenserade materiens fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Condensed Matter Physics (hsv//eng)
Keyword
- Flux method
- Thickness modulation
- Metallic
- Metal oxide
- 2D non-layered materials
Publication and Content Type
- art (subject category)
- ref (subject category)
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- By the author/editor
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Deng, Liying
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Zhang, Qing
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Li, Wangyang
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Ye, Xiao Yuan
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Zhao, Yi Fan
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Chen, Shen Zhong
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show more...
-
Wang, Yu Lan
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Wang, Xinghui
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Chen, Hui Peng
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Yu, Zhi Yang
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Yan, Qun
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Cheng, Shu Ying
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Guo, Tailiang
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Hu, Wen Ping
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Ding, Feng
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Sun, Jie, 1977
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show less...
- About the subject
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Chemical Science ...
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and Materials Chemis ...
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Physical Science ...
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and Condensed Matter ...
- Articles in the publication
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Rare Metals
- By the university
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Chalmers University of Technology