PMID- 27918024 OWN - NLM STAT- PubMed-not-MEDLINE DCOM- 20180129 LR - 20180129 IS - 1463-9084 (Electronic) IS - 1463-9076 (Linking) VI - 19 IP - 1 DP - 2016 Dec 21 TI - Uniform and perfectly linear current-voltage characteristics of nitrogen-doped armchair graphene nanoribbons for nanowires. PG - 44-48 LID - 10.1039/c6cp06640b [doi] AB - Metallic nanowires with desired properties for molecular integrated circuits (MICs) are especially significant in molectronics, but preparing such wires at a molecular level still remains challenging. Here, we propose, from first principles calculations, experimentally realizable edge-nitrogen-doped graphene nanoribbons (N-GNRs) as promising candidates for nanowires. Our results show that edge N-doping has distinct effects on the electronic structures and transport properties of the armchair GNRs and zigzag GNRs (AGNRs, ZGNRs), due to the formation of pyridazine and pyrazole rings at the edges. The pyridazine rings raise the Fermi level and introduce delocalized energy bands near the Fermi level, resulting in a highly enhanced conductance in N-AGNRs at the stable nonmagnetic ground state. Especially for the family of AGNRs with widths of n = 3p + 2, their semiconducting characteristics are transformed to metallic characteristics via N-doping, and they exhibit perfectly linear current-voltage (I-V) behaviors. Such uniform and excellent features indicate bright application prospects of the N-AGNRs as nanowires and electrodes in molectronics. FAU - Liu, Lingling AU - Liu L AD - School of Optoelectronic Information, University of Electronic Science and Technology of China, Chengdu, Sichuan 610054, P. R. China. FAU - Li, Xiao-Fei AU - Li XF AD - School of Optoelectronic Information, University of Electronic Science and Technology of China, Chengdu, Sichuan 610054, P. R. China. FAU - Yan, Qing AU - Yan Q AD - School of Optoelectronic Information, University of Electronic Science and Technology of China, Chengdu, Sichuan 610054, P. R. China. FAU - Li, Qin-Kun AU - Li QK AD - School of Optoelectronic Information, University of Electronic Science and Technology of China, Chengdu, Sichuan 610054, P. R. China. FAU - Zhang, Xiang-Hua AU - Zhang XH AD - School of Optoelectronic Information, University of Electronic Science and Technology of China, Chengdu, Sichuan 610054, P. R. China. FAU - Deng, Mingsen AU - Deng M AD - Guizhou Synergetic Innovation Center of Scientific Big Data for Advanced Manufacturing Technology, Guizhou Education University, Guiyang, 550018, China. FAU - Qiu, Qi AU - Qiu Q AD - School of Optoelectronic Information, University of Electronic Science and Technology of China, Chengdu, Sichuan 610054, P. R. China. FAU - Luo, Yi AU - Luo Y AD - Guizhou Synergetic Innovation Center of Scientific Big Data for Advanced Manufacturing Technology, Guizhou Education University, Guiyang, 550018, China and Hefei National Laboratory for Physical Science at the Microscale, University of Science and Technology of China, Hefei, Anhui 230026, P. R. China and Department of Theoretical Chemistry and Biology, School of Biotechnology, KTH Royal Institute of Technology, S-10691 Stockholm, Sweden. LA - eng PT - Journal Article PL - England TA - Phys Chem Chem Phys JT - Physical chemistry chemical physics : PCCP JID - 100888160 EDAT- 2016/12/06 06:00 MHDA- 2016/12/06 06:01 CRDT- 2016/12/06 06:00 PHST- 2016/12/06 06:00 [pubmed] PHST- 2016/12/06 06:01 [medline] PHST- 2016/12/06 06:00 [entrez] AID - 10.1039/c6cp06640b [doi] PST - ppublish SO - Phys Chem Chem Phys. 2016 Dec 21;19(1):44-48. doi: 10.1039/c6cp06640b.