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Improving oxidation stability of 2D MXenes: synthesis, storage media, and conditions
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논문 기본 정보

Type
Academic journal
Author
IQBAL AAMIR (한국과학기술연구원) Hong Junpyo (Korea Institute of Science and Technology (KIST)) Ko Tae Yun (한국과학기술연구원) Koo Chong Min (한국과학기술연구원)
Journal
나노기술연구협의회 Nano Convergence Nano Convergence Vol.8 No.9 KCI Accredited Journals
Published
2021.3
Pages
1 - 22 (22page)
DOI
10.1186/s40580-021-00259-6

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Improving oxidation stability of 2D MXenes: synthesis, storage media, and conditions
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Understanding and preventing oxidative degradation of MXene suspensions is essential for fostering fundamental academic studies and facilitating widespread industrial applications. Owing to their outstanding electrical, electrochemical, optoelectronic, and mechanical properties, MXenes, an emerging class of two-dimensional (2D) nanomaterials, show promising state-of-the-art performances in various applications including electromagnetic interference (EMI) shielding, terahertz shielding, electrochemical energy storage, triboelectric nanogenerators, thermal heaters, light-emitting diodes (LEDs), optoelectronics, and sensors. However, MXene synthesis using harsh chemical etching causes many defects or vacancies on the surface of the synthesized MXene flakes. Defective sites are vulnerable to oxidative degradation reactions with water and/or oxygen, which deteriorate the intrinsic properties of MXenes. In this review, we demonstrate the nature of oxidative degradation of MXenes and highlight the recent advancements in controlling the oxidation kinetics of MXenes with several promising strategic approaches, including careful control of the quality of the parent MAX phase, chemical etching conditions, defect passivation, dispersion medium, storage conditions, and polymer composites.
#MXene Oxidation kinetics Defect passivation Organic dispersion Storage condition Polymer composite Chemical etching Two-dimensional (2D) nanomaterials

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M. Naguib / 2011 / Two-dimensional nanocrystals produced by exfoliation of Ti3AlC2 / Adv. Mater 23(37):4248~4253 google schola G. Deysher / 2020 / Synthesis of Mo4VAlC4 MAX Phase and Two-Dimensional Mo4VC4MXene with Five Atomic Layers of Transition Metals / ACS Nano 14(1):204~217 google schola B. Anasori / 2017 / 2D metal carbides and nitrides(MXenes)for energy storage / Nat. Rev. Mater 2(2):1~17 google schola K. Hantanasirisakul / 2018 / Electronic and Optical Properties of 2D Transition Metal Carbides and Nitrides(MXenes) / Adv. Mater 30(52):1804779 google schola B. Anasori / 2015 / Two-dimensional, ordered, double transition metals carbides (MXenes) / ACS Nano 9(10):9507~9516 google schola

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