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Title: Site-Specific Substitutional Boron Doping of Semiconducting Armchair Graphene Nanoribbons

Journal Article · · Journal of the American Chemical Society
DOI:https://doi.org/10.1021/jacs.5b02523· OSTI ID:1512219
 [1];  [1];  [1];  [1];  [1];  [1];  [1];  [2];  [2];  [2]
  1. Univ. of California, Berkeley, CA (United States)
  2. Univ. of California, Berkeley, CA (United States); Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)

A fundamental requirement for the development of advanced electronic device architectures based on graphene nanoribbon (GNR) technology is the ability to modulate the band structure and charge carrier concentration by substituting specific carbon atoms in the hexagonal graphene lattice with p- or n-type dopant heteroatoms. Here we report the atomically precise introduction of group III dopant atoms into bottom-up fabricated semiconducting armchair GNRs (AGNRs). Trigonal-planar B atoms along the backbone of the GNR share an empty p-orbital with the extended π-band for dopant functionality. Scanning tunneling microscopy (STM) topography reveals a characteristic modulation of the local density of states along the backbone of the GNR that is superimposable with the expected position and concentration of dopant B atoms. First-principles calculations support the experimental findings and provide additional insight into the band structure of B-doped 7-AGNRs.

Research Organization:
Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22), Materials Sciences & Engineering Division (SC-22.2)
Grant/Contract Number:
AC02-05CH11231
OSTI ID:
1512219
Journal Information:
Journal of the American Chemical Society, Vol. 137, Issue 28; ISSN 0002-7863
Publisher:
American Chemical Society (ACS)Copyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 173 works
Citation information provided by
Web of Science

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Structurally uniform and atomically precise carbon nanostructures journal January 2016
Doped graphenes as anodes with large capacity for lithium-ion batteries journal January 2016
Efficient Bottom-Up Preparation of Graphene Nanoribbons by Mild Suzuki-Miyaura Polymerization of Simple Triaryl Monomers journal May 2016
On‐Surface Synthesis of 8‐ and 10‐Armchair Graphene Nanoribbons journal March 2019
Polycyclic aromatic hydrocarbons in the graphene era journal June 2019
B=N Units as Part of Extended π-Conjugated Oligomers and Polymers journal July 2016
Oxidization stability of atomically precise graphene nanoribbons journal January 2018
Halogen-Free On-Surface Synthesis of Rylene-Type Graphene Nanoribbons journal July 2017
B–N coordinated triaryl pyrazole: effect of dimerization, and optical and NLO properties journal January 2019
On-Surface Synthesis of Carbon Nanostructures journal March 2018
Recent advances in two-dimensional materials and their nanocomposites in sustainable energy conversion applications journal January 2019
On-surface synthesis of graphene clusters from a Z-bar-linkage precursor with quaterphenyl branches journal January 2018
The synthesis of brominated-boron-doped PAHs by alkyne 1,1-bromoboration: mechanistic and functionalisation studies journal January 2020
Spin-polarized Fermi surface, hole-doping and band gap in graphene with boron impurities journal January 2018
Magical Allotropes of Carbon: Prospects and Applications text January 2016
Chemische Synthese an Oberflächen mit Präzision in atomarer Größenordnung: Beherrschung von Komplexität und Genauigkeit journal November 2019
Synthesis of a Doubly Boron-Doped Perylene through NHC-Borenium Hydroboration/C−H Borylation/Dehydrogenation journal August 2017
Hierarchical on-surface synthesis and electronic structure of carbonyl-functionalized one- and two-dimensional covalent nanoarchitectures journal March 2017
Substitutional impurity in single-layer graphene: The Koster–Slater and Anderson models journal June 2016
Probing the origin of photoluminescence brightening in graphene nanoribbons journal April 2019
Production and processing of graphene and related materials journal January 2020
CuNi binary alloy catalyst for growth of nitrogen-doped graphene by low pressure chemical vapor deposition journal October 2016
Understanding the spin-dependent electronic properties of symmetrically far-edge doped zigzag graphene nanoribbon from a first principles study journal January 2017
Finding the hidden valence band of N  =  7 armchair graphene nanoribbons with angle-resolved photoemission spectroscopy journal April 2018
Boron-doped nanographene: Lewis acidity, redox properties, and battery electrode performance journal January 2016
Multiple heteroatom substitution to graphene nanoribbon journal April 2018
Doping graphene with boron: a review of synthesis methods, physicochemical characterization, and emerging applications journal January 2016
Covalent on-surface polymerization journal January 2020
Generation of a series of B n fused oligo-naphthalenes ( n = 1 to 3) from a B 1 -polycyclic aromatic hydrocarbon journal January 2018
Aryl Radical Geometry Determines Nanographene Formation on Au(111) journal October 2016
Borophene-graphene heterostructures journal October 2019
Heterostructures through Divergent Edge Reconstruction in Nitrogen-Doped Segmented Graphene Nanoribbons journal August 2016
Engineered electronic states in atomically precise artificial lattices and graphene nanoribbons journal January 2019
On-Surface Synthesis of Atomically Precise Graphene Nanoribbons journal February 2016
Modified Engineering of Graphene Nanoribbons Prepared via On‐Surface Synthesis journal December 2019
Selective on-surface covalent coupling based on metal-organic coordination template journal January 2019
Chemical Synthesis at Surfaces with Atomic Precision: Taming Complexity and Perfection journal December 2019
Diacetylene Linked Anthracene Oligomers Synthesized by One-Shot Homocoupling of Trimethylsilyl on Cu(111) journal July 2018
Magical Allotropes of Carbon: Prospects and Applications text January 2016
On-Surface Synthesis of Atomically Precise Graphene Nanoribbons text January 2016
Synthesis of a Doubly Boron-Doped Perylene through NHC-Borenium Hydroboration/C−H Borylation/Dehydrogenation journal August 2017
Aryl Radical Geometry Determines Nanographene Formation on Au(111) journal October 2016
Production and processing of graphene and related materials text January 2020
Production and processing of graphene and related materials text January 2020
Engineered electronic states in atomically precise artificial lattices and graphene nanoribbons text January 2019
Controlling a Chemical Coupling Reaction on a Surface: Tools and Strategies for On-Surface Synthesis journal March 2019
One Precursor but Two Types of Graphene Nanoribbons: On-Surface Transformations of 10,10′-Dichloro-9,9′-bianthryl on Ag(111) journal March 2019
Width-Dependent Band Gap in Armchair Graphene Nanoribbons Reveals Fermi Level Pinning on Au(111) text January 2017


Figures / Tables (3)


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