On‐Surface Synthesis of a Dicationic Diazahexabenzocoronene Derivative on the Au (111) Surface

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61989592%3A15640%2F21%3A73610654" target="_blank" >RIV/61989592:15640/21:73610654 - isvavai.cz</a>

Nalezeny alternativní kódy

RIV/68378271:_____/21:00560554

Výsledek na webu

<a href="https://onlinelibrary.wiley.com/doi/10.1002/anie.202111863" target="_blank" >https://onlinelibrary.wiley.com/doi/10.1002/anie.202111863</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1002/anie.202111863" target="_blank" >10.1002/anie.202111863</a>

Jazyk výsledku

angličtina

Název v původním jazyce

On‐Surface Synthesis of a Dicationic Diazahexabenzocoronene Derivative on the Au (111) Surface

Popis výsledku v původním jazyce

The atomically precise control over the size, shape and structure of nanographenes (NGs) or the introduction of heteroatom dopants into their sp(2)-carbon lattice confer them valuable electronic, optical and magnetic properties. Herein, we report on the design and synthesis of a hexabenzocoronene derivative embedded with graphitic nitrogen in its honeycomb lattice, achieved via on-surface assisted cyclodehydrogenation on the Au(111) surface. Combined scanning tunnelling microscopy/spectroscopy and non-contact atomic force microscopy investigations unveil the chemical and electronic structures of the obtained dicationic NG. Kelvin probe force microscopy measurements reveal a considerable variation of the local contact potential difference toward lower values with respect to the gold surface, indicative of its positive net charge. Altogether, we introduce the concept of cationic nitrogen doping of NGs on surfaces, opening new avenues for the design of novel carbon nanostructures.

Název v anglickém jazyce

On‐Surface Synthesis of a Dicationic Diazahexabenzocoronene Derivative on the Au (111) Surface

Popis výsledku anglicky

The atomically precise control over the size, shape and structure of nanographenes (NGs) or the introduction of heteroatom dopants into their sp(2)-carbon lattice confer them valuable electronic, optical and magnetic properties. Herein, we report on the design and synthesis of a hexabenzocoronene derivative embedded with graphitic nitrogen in its honeycomb lattice, achieved via on-surface assisted cyclodehydrogenation on the Au(111) surface. Combined scanning tunnelling microscopy/spectroscopy and non-contact atomic force microscopy investigations unveil the chemical and electronic structures of the obtained dicationic NG. Kelvin probe force microscopy measurements reveal a considerable variation of the local contact potential difference toward lower values with respect to the gold surface, indicative of its positive net charge. Altogether, we introduce the concept of cationic nitrogen doping of NGs on surfaces, opening new avenues for the design of novel carbon nanostructures.

Druh

J_imp - Článek v periodiku v databázi Web of Science

CEP obor

—

OECD FORD obor

21001 - Nano-materials (production and properties)

Projekt

Výsledek vznikl pri realizaci vícero projektů. Více informací v záložce Projekty.

Návaznosti

R - Projekt Ramcoveho programu EK

Rok uplatnění

2021

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

ISSN

1433-7851

e-ISSN

—

Svazek periodika

60

Číslo periodika v rámci svazku

48

Stát vydavatele periodika

DE - Spolková republika Německo

Počet stran výsledku

6

Strana od-do

25551-25556

Kód UT WoS článku

000709439600001

EID výsledku v databázi Scopus

2-s2.0-85117396608