Stable and Ordered Body‐Centered Cubic PdCu Phase for Highly Selective Hydrogenation (Small Methods 3/2023)

Li, Peicai; Liu, Xia; Guo, Mingrui; Pi, Yecan; Wang, Ning; Bai, Shuxing; Xu, Yong; Sun, Qi

doi:10.1002/smtd.202370013

Cited by 2 publications

(2 citation statements)

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“…More specifically, a distinctive coordination structure emerged between Ti and N in Ti 3 C 2 MXene, resulting from Ti-based phase reconstruction facilitated by the robust coordination capacity of N derived from the decomposition of imidazolecontained room temperature molten salt (1-butyl-3-methyl-1Himidazol-3-ium tetrachloroferrate (III), (RTMS) as depicted in Equation (31). Additionally, the creation of hierarchical porous nitrogen-doped carbon-encapsulated Ti 3 C 2 Cl MXene occurred concurrently, leading to a significant surge in material surface area due to the substantial increase in micro-and mesoporosity within the carbon layer.…”

Section: Lewis Acidic Molten Salt Etchingmentioning

confidence: 99%

“…[13][14][15][16][17][18][19][20][21][22][23] This distinctive combination of attributes has propelled MXenes into the spotlight, positioning them as a class of materials with unparalleled potential for a wide array of applications. [24][25][26][27][28][29][30][31][32] Over the past decade, the field of MXene research has grown exponentially, witnessing significant advancements in synthesis methods, material understanding, and diverse applications. This period has marked a transformative journey, evolving MXenes from an intriguing discovery to a vibrant field driving innovations in materials science, chemistry, engineering, and beyond.…”

Section: Introductionmentioning

confidence: 99%

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Fluorine‐Free MXenes: Recent Advances, Synthesis Strategies, and Mechanisms

Kumar

2023

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MXenes, an exceptional class of 2D materials, possess high conductivity, adaptable surface chemistry, mechanical strength, and tunable bandgaps, making them attractive for diverse applications. Unlocking the potential of MXenes requires precise control over synthesis methods and surface functionality. Conventionally, fluorine‐based etchants are used in MXenes synthesis, posing both environmental concerns and alterations to surface properties, along with the introduction of certain defects. This prompts the exploration of innovative fluorine‐free strategies for MXenes synthesis. This review focuses on environmentally friendly, fluorine‐free techniques for MXene synthesis, emphasizing mechanisms and recent breakthroughs in alternative etching strategies. The comprehensive coverage includes electrochemical etching, Lewis acid‐driven molten salt etching, alkaline/hydrothermal techniques, chemical vapor deposition (CVD), and recent innovative methods. Fluorine‐free MXenes synthesis yields terminations such as ─O, ─OH, ─Cl, etc., influencing surface chemistry and improving their properties. The presence of ─OH groups in NaOH etched MXenes boosts their energy storage, while ─Cl functionality from Lewis acidic salts optimizes electrochemical performance. Fluorine‐free methods mitigate adverse effects of ─F terminations on MXene conductivity, improving electronic properties and broadening their applications. In addition to traditional approaches, this review delves into novel fluorine‐free methods for tailoring MXenes properties. It comprehensively addresses challenges, opportunities, and future perspectives in fluorine‐free MXenes.

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Section: Lewis Acidic Molten Salt Etchingmentioning

confidence: 99%