Substrate-Independent Growth of Atomically Precise Chiral Graphene Nanoribbons

被引：156

作者：

de Oteyza, Dimas G. ^{[1
,2
,3
]}

Garcia-Lekue, Aran ^{[1
,2
]}

Vilas-Varela, Manuel ^{[4
,5
]}

Merino-Diez, Nestor ^{[1
,6
]}

Carbonell-Sanroma, Eduard ^{[6
]}

Corso, Martina ^{[2
,3
,6
]}

Vasseur, Guillaume ^{[1
,3
]}

Rogero, Celia ^{[1
,3
]}

Guitian, Enrique ^{[4
,5
]}

Ignacio Pascual, Jose ^{[2
,6
]}

Enrique Ortega, J. ^{[1
,3
,7
]}

Wakayama, Yutaka ^{[8
]}

Pena, Diego ^{[4
,5
]}

机构：

[1] DIPC, Paseo Manuel Lardizabal 4, San Sebastian 20018, Spain

[2] Basque Fdn Sci, Ikerbasque, Bilbao 48011, Spain

[3] CSIC UPV EHU, Ctr Phys Mat, Paseo Manuel Lardizabal 5, San Sebastian 20018, Spain

[4] Univ Santiago de Compostela, Ctr Invest Quim Biol & Mat Mol CIQUS, Santiago De Compostela 15782, Spain

[5] Univ Santiago de Compostela, Dept Quim Organ, Santiago De Compostela 15782, Spain

[6] CIC NanoGUNE, Ave Tolosa 76, San Sebastian 20018, Spain

[7] Univ Basque Country, Dept Fis Aplicada 1, San Sebastian 20018, Spain

[8] Natl Inst Mat Sci, Int Ctr Mat Nanoarchitecton, 1-1 Namiki, Tsukuba, Ibaraki 3050044, Japan

来源：

ACS NANO | 2016年 / 10卷 / 09期

关键词：

on-surface synthesis; Ullmann coupling; cyclodehydrogenation; scanning tunneling microscopy; core-level photoemission; density functional theory; BOTTOM-UP FABRICATION; ON-SURFACE SYNTHESIS; BAND-GAP; ARMCHAIR; CU(111); EDGES; ENANTIOSELECTIVITY; HETEROJUNCTIONS; NANOGRAPHENE; SPECTROSCOPY;

D O I：

10.1021/acsnano.6b05269

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Contributing to the need for new graphene nanoribbon (GNR) structures that can be synthesized with atomic precision, we have designed a reactant that renders chiral (3,1)-GNRs after a multistep reaction including Ullmann coupling and cyclodehydrogenation. The nanoribbon synthesis has been successfully proven on different coinage metals, and the formation process, together with the fingerprints associated with each reaction step, has been studied by combining scanning tunneling microscopy, core-level spectroscopy, and density functional calculations. In addition to the GNR's chiral edge structure, the substantial GNR lengths achieved and the low processing temperature required to complete the reaction grant this reactant extremely interesting properties for potential applications.

引用

页码：9000 / 9008

页数：9

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