On-Surface Synthesis of Nitrogen-Substituted Gold-Phosphorus Porous NetworkClick to copy article linkArticle link copied!
- Jia Lin ZhangJia Lin ZhangDepartment of Chemistry, National University of Singapore, 3 Science Drive 3, 117543, SingaporeDepartment of Physics, National University of Singapore, 2 Science Drive 3, 117542, SingaporeMore by Jia Lin Zhang
- Songtao ZhaoSongtao ZhaoKey Laboratory of Optic-electric Sensing and Analytical Chemistry for Life Science, MOE, College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, Qingdao, Shandong 266042, ChinaMore by Songtao Zhao
- Shuo SunShuo SunDepartment of Chemistry, National University of Singapore, 3 Science Drive 3, 117543, SingaporeDepartment of Physics, National University of Singapore, 2 Science Drive 3, 117542, SingaporeMore by Shuo Sun
- Xu LianXu LianDepartment of Chemistry, National University of Singapore, 3 Science Drive 3, 117543, SingaporeMore by Xu Lian
- Anton TadichAnton TadichAustralian Synchrotron, 800 Blackburn Road, Clayton, Victoria 3168, AustraliaMore by Anton Tadich
- Dong-Chen QiDong-Chen QiCentre for Materials Science, School of Chemistry and Physics, Queensland University of Technology, Brisbane, Queensland 4001, AustraliaMore by Dong-Chen Qi
- Chengding GuChengding GuDepartment of Chemistry, National University of Singapore, 3 Science Drive 3, 117543, SingaporeMore by Chengding Gu
- Zhirui MaZhirui MaDepartment of Chemistry, National University of Singapore, 3 Science Drive 3, 117543, SingaporeMore by Zhirui Ma
- Zhenyu Li*Zhenyu Li*Email: [email protected]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, ChinaMore by Zhenyu Li
- Wei Chen*Wei Chen*Email: [email protected]Department of Chemistry, National University of Singapore, 3 Science Drive 3, 117543, SingaporeDepartment of Physics, National University of Singapore, 2 Science Drive 3, 117542, SingaporeJoint School of National University of Singapore and Tianjin University, International Campus of Tianjin University, Binhai New City, Fuzhou, 350207, ChinaNational University of Singapore (Suzhou) Research Institute, 377 Lin Quan Street, Suzhou Industrial Park, Jiangsu 215123, ChinaMore by Wei Chen
Abstract

Porous metal–organic frameworks (MOFs) have become one of the fastest growing fields with broad applications due to the presence of various active sites (e.g., cavities, metal nodes, and organic linkers). Notably, an on-surface synthesis represents a facile method for the fabrication of two-dimensional (2D) MOFs, where the substrate not only supports and dictates the symmetry of the surface nanostructures but also provides the metal atoms to form the metal nodes. However, the realization of on-surface synthesized 2D metal–inorganic porous networks is rarely explored, except for a recently reported gold-phosphorus network. Here, we integrate one more dimension into the growth process (activated gas phase atoms) and demonstrate the on-surface synthesis of ternary metal–inorganic gold-phosphorus-nitrogen porous networks on Au(111). The atomic structure is precisely identified through a combination of low-temperature scanning tunneling microscopy, density functional theory calculations, and X-ray photoelectron spectroscopy. Using the thermal energy from the heated Au(111) substrate, the phosphorus precursor can simultaneously grab gold atoms from the surface and nitrogen atoms from activated nitrogen gas to build up a long-range ordered 2D surface porous structure. Our study opens a completely new platform for the on-surface synthesis of tailored metal–inorganic frameworks.
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