Large scale chemical functionalization of locally curved graphene with nanometer resolution

Result code in IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61388955%3A_____%2F20%3A00534512" target="_blank" >RIV/61388955:_____/20:00534512 - isvavai.cz</a>

Alternative codes found

RIV/00216208:11320/20:10412334

Result on the web

<a href="http://hdl.handle.net/11104/0312697" target="_blank" >http://hdl.handle.net/11104/0312697</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1016/j.carbon.2020.04.006" target="_blank" >10.1016/j.carbon.2020.04.006</a>

Result language

angličtina

Original language name

Large scale chemical functionalization of locally curved graphene with nanometer resolution

Original language description

Anchoring various functional groups to graphene is the most versatile approach for tailoring its functional properties. To date, one must use a special tunneling microscope for attaching a molecule at a specific position on the graphene with resolution better than several hundred nanometers, however, achieving this resolution is impossible on a large scale. We demonstrate for the first time that chemical functionalization can be achieved with nanometer resolution by introducing strain with nanometer scale modulation into a graphene layer. The spatial distribution of the strain has been achieved by transferring a single-layer graphene (SLG) onto a substrate decorated by a few nm large nanoparticles (NPs). By changing the number of NPs on the substrate, the amount of locally strained SLG increases, as confirmed by atomic force microscopy (AFM) and Raman spectroscopy investigations. We further carried out hydrogenation and fluorination on the SLG with increasing amount of nanoscale corrugations. Raman spectroscopy, AFM and X-ray photoelectron spectroscopy revealed unambiguously that the level of functionalization increases proportionally with the number of NPs, which means an increasing number of the locally strained SLG. Our approach thus enables control of the amount and the position of functional groups on graphene with nanometer resolution. (C) 2020 The Authors. Published by Elsevier Ltd.

Czech name

—

Czech description

—

Type

J_imp - Article in a specialist periodical, which is included in the Web of Science database

CEP classification

—

OECD FORD branch

10403 - Physical chemistry

Project

Result was created during the realization of more than one project. More information in the Projects tab.

Continuities

I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Publication year

2020

Confidentiality

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

Name of the periodical

Carbon

ISSN

0008-6223

e-ISSN

—

Volume of the periodical

164

Issue of the periodical within the volume

AUG 2020

Country of publishing house

US - UNITED STATES

Number of pages

8

Pages from-to

207-214

UT code for WoS article

000536478300007

EID of the result in the Scopus database

2-s2.0-85083033098