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首页> 外文期刊>Journal of physical chemistry letters >Fast and Universal Solution-Phase Flocculation Strategy for Scalable Synthesis of Various Few-Layered MXene Powders
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Fast and Universal Solution-Phase Flocculation Strategy for Scalable Synthesis of Various Few-Layered MXene Powders

机译：用于可扩展合成的快速且通用的解决方案相絮凝策略，用于各种少数层蒙蛋白粉末的可扩展合成

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摘要

MXenes have gained great attention in various fields because of their fascinating properties; however, the preparation of few-layered MXene powders is still limited by serious restacking of MXene nanosheets. Herein, for the first time, we have demonstrated an effective ammonium ion route to fundamentally address restacking and aggregation of the MXene nanosheets, using a solution-phase flocculation method (NH4+ method and modified NH4+ method) for large-scale preparation of few-layered Ti3C2Tx MXene powders in large quantities. The as-prepared few-layered MXene nanosheet powders show large size in the ab plane without the restacking phenomenon even at scanning electron microscopy measurements of 400x magnification, demonstrating the effectiveness of the proposed method. The method is also suitable for large-scale synthesis of other few-layered MXene powders, including Nb4C3Tx, V2CTx, Nb2CTx, etc., providing a general approach for the preparation of various few-layered MXene nanosheet powders, which represents a significant result for the development of MXenes.
机译：由于其迷人的特性，MxENES在各个领域中获得了很大的关注;然而，少数层蒙蛋白粉末的制备仍然受到MxENE纳米晶片的严重恢复的限制。在此，首次证明了使用溶液相絮凝方法（NH4 +方法和改性NH4 +方法）的大规模制备，从而证明了有效的铵离子途径以基本上解决了MXENE纳米蛋白酶的重新划分和聚集。 Ti3C2TX MXENE粉末大量。制备的少数层蒙纶粉粉粉末在AB平面中显示出大尺寸，即使在扫描电子显微镜测量值为400倍放大率的情况下，也没有重新堆积现象，证明了该方法的有效性。该方法也适用于其他少数层蒙蛋白粉末的大规模合成，包括Nb4C3TX，V2CTX，Nb2CTX等，提供了制备各种少数层蒙氏乳蛋白粉末的一般方法，这代表了显着的结果MxENes的发展。

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