Tailoring the Microstructure of Lamellar Ti3C2Tx MXene Aerogel by Compressive Straining

doi:10.1021/acsnano.1c04538

CORC > 金属研究所 > 中国科学院金属研究所

	Tailoring the Microstructure of Lamellar Ti3C2Tx MXene Aerogel by Compressive Straining
	Rawson, Shelley D.5; Bayram, Vildan 6; McDonald, Samuel A.7; Yang, Pei 6; Courtois, Loic 1; Guo, Yi 2,3; Xu, Jiaqi 5; Burnett, Timothy L.5; Barg, Suelen 4,6; Withers, Philip J.5
刊名	ACS NANO
	2022-02-22
卷号	16 期号:2 页码:1896-1908
关键词	freeze-casting architectures nanomaterial micro domains MXenes time lapse imaging
ISSN号	1936-0851
DOI	10.1021/acsnano.1c04538
通讯作者	Rawson, Shelley D.(shelley.rawson@manchester.ac.uk)
英文摘要	Aerogels are attracting increasing interest due to their functional properties, such as lightweight and high porosity, which make them promising materials for energy storage and advanced composites. Compressive deformation allows the nano- and microstructure of lamellar freeze-cast aerogels to be tailored toward the aforementioned applications, where a 3D nanostructure of closely spaced, aligned sheets is desired. Quantitatively characterizing their microstructural evolution during compression is needed to allow optimization of manufacturing, understand in-service structural changes, and determine how aerogel structure relates to functional properties. Herein we have developed methods to quantitatively analyze lamellar aerogel domains, sheet spacing, and sheet orientation in 3D and to track their evolution as a function of increasing compression through synchrotron phase contrast X-ray microcomputed tomography (mu CT). The as-cast domains are predominantly aligned with the freezing direction with random orientation in the orthogonal plane. Generally the sheets rotate toward flat and their spacing narrows progressively with increasing compression with negligible lateral strain (zero Poisson's ratio). This is with the exception of sheets close to parallel with the loading direction (Z), which maintain their orientation and sheet spacing until similar to 60% compression, beyond which they exhibit buckling. These data suggest that a single-domain, fully aligned as-cast aerogel is not necessary to produce a post-compression aligned lamellar structure and indicate how the spacing can be tailored as a function of compressive strain. The analysis methods presented herein are applicable to optimizing freeze-casting process and quantifying lamellar microdomain structures generally.
资助项目	European Research Council under the European Commission[695638] ; Newton-Katip Celebi Fund by The Scientific and Technological Research Council of Turkey (TUBITAK) ; EPSRC[EP/M010619] ; EPSRC[EP/K004530] ; EPSRC[EP/F007906] ; EPSRC[EP/F001452] ; EPSRC[EP/I02249X] ; EPSRC[EP/F028431] ; EPSRC[EP/T02593X/1] ; Henry Royce Institute for Advanced Materials through EPSRC[EP/R00661X/1] ; Henry Royce Institute for Advanced Materials through EPSRC[EP/S019367/1] ; Henry Royce Institute for Advanced Materials through EPSRC[EP/P025021/1] ; Henry Royce Institute for Advanced Materials through EPSRC[EP/P025498/1]
WOS研究方向	Chemistry ; Science & Technology - Other Topics ; Materials Science
语种	英语
出版者	AMER CHEMICAL SOC
WOS记录号	WOS:000776691400016
资助机构	European Research Council under the European Commission ; Newton-Katip Celebi Fund by The Scientific and Technological Research Council of Turkey (TUBITAK) ; EPSRC ; Henry Royce Institute for Advanced Materials through EPSRC
内容类型	期刊论文
源URL	[http://ir.imr.ac.cn/handle/321006/172999]
专题	金属研究所_中国科学院金属研究所
通讯作者	Rawson, Shelley D.
作者单位	1.3Dmagination, Oxford OX11 0QX, England 2.Imperial Coll London, Dept Mat, London SW7 2BU, England 3.Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, 72 Wenhua Rd, Shenyang 110016, Peoples R China 4.Augsburg Univ, Inst Mat Resource Management, D-86159 Augsburg, Germany 5.Univ Manchester, Henry Royce Inst, Dept Mat, Manchester M13 9PL, Lancs, England 6.Univ Manchester, Dept Mat, Manchester M13 9PL, Lancs, England 7.MAX IV Lab, S-22484 Lund, Sweden
推荐引用方式 GB/T 7714	Rawson, Shelley D.,Bayram, Vildan,McDonald, Samuel A.,et al. Tailoring the Microstructure of Lamellar Ti3C2Tx MXene Aerogel by Compressive Straining[J]. ACS NANO,2022,16(2):1896-1908.
APA	Rawson, Shelley D..,Bayram, Vildan.,McDonald, Samuel A..,Yang, Pei.,Courtois, Loic.,...&Withers, Philip J..(2022).Tailoring the Microstructure of Lamellar Ti3C2Tx MXene Aerogel by Compressive Straining.ACS NANO,16(2),1896-1908.
MLA	Rawson, Shelley D.,et al."Tailoring the Microstructure of Lamellar Ti3C2Tx MXene Aerogel by Compressive Straining".ACS NANO 16.2(2022):1896-1908.