On-Surface Synthesis and Characterization of Honeycombene Oligophenylene   Macrocycles

doi:10.1021/acsnano.6b05709

CORC > 北京大学 > 化学与分子工程学院

	On-Surface Synthesis and Characterization of Honeycombene Oligophenylene Macrocycles
	Chen, Min ; Shang, Jian ; Wang, Yongfeng ; Wu, Kai ; Kuttner, Julian ; Hilt, Gerhard ; Hieringer, Wolfgang ; Gottfried, J. Michael
刊名	ACS NANO
	2017
关键词	on-surface synthesis Ullmann reaction macrocycle quantum corral conjugation electron confinement scanning tunneling microscopy SCANNING TUNNELING MICROSCOPE DENSITY-FUNCTIONAL THEORY CARBON NANOTUBES METAL-SURFACES NOBEL LECTURE TERMINAL ALKYNES HYBRID CHAINS GRAPHENE CHEMISTRY FULLERENES
DOI	10.1021/acsnano.6b05709
英文摘要	We report the on-surface formation and characterization of [30]-honeycombene, a cyclotriacontaphenylene, which consists of 30 phenyl rings (C180H120) and has a diameter of 4.0 nm. This shape-persistent, conjugated, and unsubstituted hexagonal hydrocarbon macrocycle was obtained by solvent-free synthesis on a silver (111) single-crystal surface, making solubility enhancing alkyl side groups unnecessary. Side products include strained macrocycles with square, pentagonal, and heptagonal shape. The molecules were characterized by scanning tunneling microscopy and density functional theory (DFT) calculations. On the Ag(111) surface, the macrocycles act as molecular quantum corrals and lead to the confinement of surface-state electrons inside the central cavity. The energy of the confined surface state correlates with the size of the macrocycle and is well described by a particle-in-the-box model. Tunneling spectroscopy suggests conjugation within the planar rings and reveals influences of self-assembly on the electronic structure. While the adsorbed molecules appear to be approximately planar, the free molecules have nonplanar conformation, according to DFT.; German Science Foundation (Collaborative Research Center 1083); German Science Foundation [GO 1812/2-1]; National Natural Science Foundation of China [21133001, 21333001, 913000002, 21373020, 21403008, 61321001, 21433011]; Ministry of Science and Technology [2014CB239302, 2013CB933404, 2011CB808702]; Research Fund for the Doctoral Program of Higher Education [20130001110029]; Chinese Academy of Sciences; Cluster of Excellence "Engineering of Advanced Materials" located at the University of Erlangen-Nurnberg; SCI(E); ARTICLE; 1; 134-143; 11
语种	英语
内容类型	期刊论文
源URL	[http://ir.pku.edu.cn/handle/20.500.11897/476391]
专题	化学与分子工程学院信息科学技术学院
推荐引用方式 GB/T 7714	Chen, Min,Shang, Jian,Wang, Yongfeng,et al. On-Surface Synthesis and Characterization of Honeycombene Oligophenylene Macrocycles[J]. ACS NANO,2017.
APA	Chen, Min.,Shang, Jian.,Wang, Yongfeng.,Wu, Kai.,Kuttner, Julian.,...&Gottfried, J. Michael.(2017).On-Surface Synthesis and Characterization of Honeycombene Oligophenylene Macrocycles.ACS NANO.
MLA	Chen, Min,et al."On-Surface Synthesis and Characterization of Honeycombene Oligophenylene Macrocycles".ACS NANO (2017).