journal article·2020-07-06

Experimental Realization of One-Dimensional Metal-Inorganic Chain: Gold–Phosphorus Chain

Shuo Sun, Tong Yang, Zhirui Ma, Honghe Ding, Songtao Zhao, Jun Hu, Qian Xu, Xu Lian, Chengding Gu, Zhenyu Li, Junfa Zhu, Jia Lin Zhang, Yuan Ping Feng, Wei Chen

ACS Materials Letters· Volume 2· Issue 7
Publisher page

Abstract

Porous metal-organic frameworks have attracted tremendous research interest, because of the presence of tunable porous structures and site-isolated catalytic units. However, bottom-up on-surface synthesis of their inorganic counterparts, metal-inorganic frameworks (MIFs), is rarely demonstrated. Here, we report a facile epitaxial growth of one-dimensional (1D) porous metal-inorganic chains, gold–phosphorus chains (AuP chains), in which phosphorus magic clusters P4 are interconnected by Au atoms extracted from the underlying Au(110) surface. The atomic structure has been precisely revealed through the combination of low-temperature scanning tunneling microscopy, X-ray photoelectron spectroscopy, and density functional theory calculations. The growth process involves the formation of phosphorus dimers sitting at the bridge sites of the top rows of Au(110) (2 × 1) reconstructed surface at low coverage, followed by the etching of the phosphorus dimers and the transformation to 1D AuP chains with prolonged phosphorus deposition. Our findings provide a facile method for on-surface synthesis of 1D MIFs and pave the way for their potential applications in the future.
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Research context

OpenAlex topics: Surface Chemistry and Catalysis · Surface and Thin Film Phenomena · Electrocatalysts for Energy Conversion

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Department of Physics, National University of Singapore, 2 Science Drive 3, 117542, Singapore

Department of Chemistry, National University of Singapore, 3 Science Drive 3, 117543, Singapore

National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei, Anhui 230029, China

College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, Qingdao, Shandong 266042, China

Hefei National Laboratory for Physical Sciences at the Microscale, CAS Centre for Excellence and Synergetic Innovation Center of Quantum Information & Quantum Physics, University of Science and Technology of China, Hefei 230026, China

Joint School of National University of Singapore and Tianjin University, International Campus of Tianjin University, Binhai New City, Fuzhou 350207, China

National University of Singapore (Suzhou) Research Institute, Suzhou Industrial Park, 377 Lin Quan Street, Suzhou, Jiangsu 215123, China

Funding

Ministry of Education - Singapore · Natural Science Foundation of Jiangsu Province · National Natural Science Foundation of China

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