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2D Rhodium-Isocyanide Frameworks

delete2025-03-25
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PRE
AI
S
Senhe Huang
P
Pu Yan
Z
Zhiya Han
W
WU Hong-yu
Y
Youcheng Wang
J
Jichao Zhang
L
Lei Yuan
S
Shuai Fu
G
Guanzhao Wen
J
Jinhui Zhu
M
Mischa Bonn
H
Hai I. Wang
K
Kecheng Cao
庄小东 封面图
庄小东 (Xiaodong Zhuang)
DOI:10.1002/adma.202502192delete
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摘要

摘要

En 中文
二维金属-有机框架(2D MOFs)是新兴的有机范德华材料,因其结构多样性及可调控的光电性质,在多种应用中展现出巨大潜力。迄今为止,大多数报道的2D MOFs依赖于金属-杂原子配位(如金属-氮、金属-氧和金属-硫);基于金属-碳配位的2D MOFs的合成仍是一项艰巨的挑战。本研究报道了基于铑-碳(Rh-C)配位的2D MOFs,以异氰化物为配体、Rh(I)为金属节点。合成的MOFs表现出优异的结晶性,具有准方形晶格网络。这些MOFs展现出超窄带隙(0.1-0.28 eV),源于Rh(I)与异氰基团之间的相互作用。太赫兹光谱表明,在所合成的MOFs中,短程电荷迁移率高达560 ± 46 cm² V⁻¹ s⁻¹。此外,这些MOFs被用作氮还原反应的电催化剂,显示出56.0 ± 1.5 μg h⁻¹ mg(cat)⁻¹的优异氨产率和87.1 ± 1.8%的记录法拉第效率。原位实验揭示,在催化过程中涉及Rh(I)的双路径。这项工作代表了基于金属-碳配位的2D MOFs的开创性进展,为具有超高速载流子迁移率的新型骨架材料以及多样化光电设备铺平了道路。
Keyword:
2D
carrier mobility
isocyanide
metal-organic framework
rhodium

期刊

Advanced Materials 封面图
Advanced Materials
IF:
26.8
论文数:
3.4W
被引数:
46.0W

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U
Univ Utrecht
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A
Argonne Natl Lab
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4.3K
论文数: 2.0K
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M
Max Planck Inst Polymer Res
学者数:
141
论文数: 78
被引数: 45
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