Photothermal property investigation of V2CTx MXene and its use for all-optical modulator

Kwon, Suhyoung; Lee, Jinho; Jhon, Young In; Lim, Geunweon; Jhon, Young Min; Lee, Ju Han

doi:10.1016/j.optmat.2022.113198

Cited by 6 publications

(3 citation statements)

References 42 publications

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“…Reaction ( 46) plays a crucial role in eliminating the Al layers from the original Ti 3 AlC 2 structure. The reactions (47) and (48) lead to the introduction of ─O and ─OH terminations on the surface of the 2D IE-MXene, whereas ( 49) and ( 50) reactions outline a process where aluminum iodide reacts with water to form aluminum hydroxide and hydrogen iodide in the first reaction. leading to the formation of 2D MXene sheets.…”

Section: Halogen-assisted Mxene Etching Methodsmentioning

confidence: 99%

“…[15][16][17]24,[43][44][45] Besides Ti 3 C 2 T x , the MXene family encompasses a wide variety of potential constituents such as Ti 2 CT x , Nb 2 CTx, Mo 2 CT x , V 2 CT x , and numerous additional members. [46][47][48][49][50][51][52][53][54][55] The MXenes such as (Ti,Nb) 2 CTx, (Ti,V) 2 CT x , (V,Nb) 2 CT x , mixed transition metals MXenes like, TiVNbMoAlC 3 and TiVCrMoAlC 3 , have also been observed. [19,56] Despite their inherent hydrophilicity, MXenes have exhibited superior electrical conductivity compared to graphene produced through simple solution processing.…”

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: Halogen-assisted Mxene Etching Methodsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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

Kumar

2023

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“…With the increasing shortage of available drinking water resources, 1,2 how to use green technology to obtain more clean water production is a key issue at present. As a sustainable and renewable energy, solar energy has been developed and utilized in many fields, including solar cells, 3–7 photocatalysis 8–11 and photothermal conversion. 12–14 In particular, photothermal conversion has been widely studied in recent years in photothermal therapy, photothermal water evaporation, and photothermal braking.…”

Section: Introductionmentioning

confidence: 99%