J. Am. Chem. Soc.: On-surface synthesis of rylene-type graphene nanoribbon

Title：

On-surface synthesis of rylene-type graphene nanoribbon

Authors：

• Haiming Zhang, 
• Haiping Lin, 
• Kewei Sun, 
• Long Chen, 
• Yulian Zagranyarski, 
• Nabi Aghdassi, 
• Steffen Duhm, 
• Qing Li, 
• Dingyong Zhong, 
• Youyong Li, 
• Klaus Müllen*, 
• Harald Fuchs*, 
• Lifeng Chi*

Institutions：

¹Jiangsu Key Laboratory for Carbon Based Functional Materials & Devices, Institute of Functional Nano & Soft Materials (FUNSOM), Soochow University, Suzhou 215123, P. R. China

²Physikalisches Institut and Center for Nanoscience and Technology (CeNTech), Universitat Mu ̈ ̈nster, 48149 Münster, Germany ³Max Planck Institute for Polymer Research, 55128 Mainz, Germany ⁴Department of Chemistry, School of Science, Tianjin University and Collaborative Innovation Center of Chemical Science and Engineering, Tianjin 300072, P. R. China ⁵School of Physics and Engineering & State Key Laboratory of Optoelectronic Materials and Technologies, Sun Yat-sen University, 510275 Guangzhou, P. R. China

Abstract：

The narrowest armchair graphene nanoribbon (AGNR) with five carbons across the width of the GNR (5-AGNR) was synthesized on Au(111) surfaces via sequential dehalogenation processes in a mild condition by using 1,4,5,8-tetrabromonaphthalene as the molecular precursor. Gold-organic hybrids were observed by using high-resolution scanning tunneling microscopy and considered as intermediate states upon AGNR formation. Scanning tunneling spectroscopy reveals an unexpectedly large band gap of Δ = 2.8 ± 0.1 eV on Au(111) surface which can be interpreted by the hybridization of the surface states and the molecular states of the 5-AGNR.

IF：

14.357

Link：

http://pubs.acs.org/action/doSearch?AllField=On-surface+synthesis+of+rylene-type+graphene+nanoribbons