Chemical Synthesis of ~1 nm Multilevel Capacitor-like Particles with Atomic Precision

Can the chemically synthesized nanoparticles act as nanodevices or nanomachines? Herein, we demonstrated this feasibility. A novel nanocluster (ultrasmall nanoparticle) [Au Cd (m-MBT) ][N(C H ) ] (Au Cd in short, m-MBTH: m-methylbenzenethiol) obtained via developing a synthesis method has a cannula-...

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Published in:Angewandte Chemie International Edition 2024-12, p.e202420931
Main Authors: Zhou, Yue, Chen, Dong, Gu, Wanmiao, Fan, Wentao, Wang, Runguo, Fang, Liang, You, Qing, Zhuang, Shengli, Bian, Guoqing, Liao, Lingwen, Zhou, Ziyan, Xia, Nan, Yang, Jun, Wu, Zhikun
Format: Article
Language:English
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Summary:Can the chemically synthesized nanoparticles act as nanodevices or nanomachines? Herein, we demonstrated this feasibility. A novel nanocluster (ultrasmall nanoparticle) [Au Cd (m-MBT) ][N(C H ) ] (Au Cd in short, m-MBTH: m-methylbenzenethiol) obtained via developing a synthesis method has a cannula-like structure of the outer shell and an internal sleeve, revealed by single-crystal X-ray diffraction. Natural population analysis (NPA) charge calculations, charge carrier transport of Au Cd (during which an intra-nanocluster anti-galvanic reaction was observed) after unneutral charging using NaBH as well as voltammetry proved the capacitor-like character of Au Cd . The subsidiary capacitor-like character of the outer shell of Au Cd was further probed via NPA charge calculations and electrocatalytic reduction of CO to CO. Thus, this study predicts a new era of engineering metal nanoparticles for realizing atomically precise ultrasmall nanodevices and nanomachines.
ISSN:1433-7851
1521-3773
DOI:10.1002/anie.202420931