生长在 MoS2 表面的二维共轭金属有机框架

IF 2.1 4区化学 Q3 CHEMISTRY, PHYSICAL

Surface Science Pub Date : 2024-08-28 DOI:10.1016/j.susc.2024.122594

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引用次数: 0

摘要

二硫化钼（MoS2）具有原子般平坦的表面，没有悬挂键。在这种表面上的分子自组装为构建异质结构器件提供了一条有效途径。在这项研究中，我们成功地在 MoS2 表面合成了 M3(1,4,5,8,9,12-六氮杂三亚苯，HAT)2（M = Ni，Co）共轭金属有机框架（c-MOFs）。在这些框架中，HAT 分子构成蜂巢晶格，而金属原子则构成鹿角晶格。框架相对于基底的随机取向和不规则的畴形状表明，框架与 MoS2 的相互作用很弱。在惰性基底上成功合成二维 c-MOFs 为构建先进的二维范德华异质结打开了一扇大门。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Two-dimensional conjugated metal–organic frameworks grown on a MoS2 surface

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Two-dimensional conjugated metal–organic frameworks grown on a MoS2 surface

Molybdenum disulfide (MoS₂) features an atomically flat surface without dangling bonds. Molecular self-assembly on this surface provides an effective route to constructing heterostructure devices. In this work, we show the successful synthesis of M₃(1,4,5,8,9,12-hexaazatriphenylene, HAT)₂ (M = Ni, Co) conjugated metal–organic frameworks (c-MOFs) on a MoS₂ surface. In the frameworks, HAT molecules constitute a honeycomb lattice while the metal atoms constitute a Kagome lattice. The random orientations of the frameworks with respect to the substrate and irregular domain shapes indicate that the frameworks interact weakly with the MoS₂. The successful synthesis of 2D c-MOFs on inert substrates opens a door for the construction of advanced 2D van der Waals heterojunctions.

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来源期刊

Surface Science 化学-物理：凝聚态物理

CiteScore

3.30

自引率

5.30%

发文量

137

审稿时长

25 days

期刊介绍： Surface Science is devoted to elucidating the fundamental aspects of chemistry and physics occurring at a wide range of surfaces and interfaces and to disseminating this knowledge fast. The journal welcomes a broad spectrum of topics, including but not limited to: • model systems (e.g. in Ultra High Vacuum) under well-controlled reactive conditions • nanoscale science and engineering, including manipulation of matter at the atomic/molecular scale and assembly phenomena • reactivity of surfaces as related to various applied areas including heterogeneous catalysis, chemistry at electrified interfaces, and semiconductors functionalization • phenomena at interfaces relevant to energy storage and conversion, and fuels production and utilization • surface reactivity for environmental protection and pollution remediation • interactions at surfaces of soft matter, including polymers and biomaterials. Both experimental and theoretical work, including modeling, is within the scope of the journal. Work published in Surface Science reaches a wide readership, from chemistry and physics to biology and materials science and engineering, providing an excellent forum for cross-fertilization of ideas and broad dissemination of scientific discoveries.