The Structural and Compositional Changes of Graphene Oxide Induced by Irradiation With 500 keV Helium and Gallium Ions

Result code in IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F60461373%3A22310%2F18%3A43916032" target="_blank" >RIV/60461373:22310/18:43916032 - isvavai.cz</a>

Alternative codes found

RIV/61389005:_____/19:00507405

Result on the web

<a href="https://onlinelibrary.wiley.com/doi/epdf/10.1002/pssb.201800409" target="_blank" >https://onlinelibrary.wiley.com/doi/epdf/10.1002/pssb.201800409</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1002/pssb.201800409" target="_blank" >10.1002/pssb.201800409</a>

Result language

angličtina

Original language name

The Structural and Compositional Changes of Graphene Oxide Induced by Irradiation With 500 keV Helium and Gallium Ions

Original language description

Structural and compositional modification of 2D materials as graphene or graphene oxide (GO) are topical objects of nowadays due to their many technological applications. Ion irradiation of graphene based materials, as a method for improvement of their surface properties started recently. Ion mass, energy, and fluence are crucial for forming of GO electrical, optical, and mechanical properties. In this work, the GO films are irradiated with 500 keV He and Ga ions to different fluences. The ions with different masses and electronic/nuclear stopping power ratios, are chosen with the aim to examine mechanisms of radiation defect creation. The elemental composition of the GO is investigated using Rutherford back-scattering (RBS) and elastic recoil detection analysis (ERDA) techniques. The structural and chemical changes are characterized by X-ray photoelectron spectroscopy (XPS) and Raman spectroscopy and the electrical properties are determined by two-point method. The RBS and ERDA analyses indicate deoxygenation and dehydrogenation of the irradiated GO surface. The thickness and the degree of O and H depletion depend on the ion mass. XPS and Raman spectroscopy show removal of oxygen functionalities and structural modifications leading to a decrease in the surface resistivity.

Czech name

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Czech description

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Type

J_SC - Article in a specialist periodical, which is included in the SCOPUS database

CEP classification

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OECD FORD branch

10402 - Inorganic and nuclear chemistry

Project

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

Continuities

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year

2018

Confidentiality

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

Name of the periodical

Physica Status Solidi (b)

ISSN

0370-1972

e-ISSN

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Volume of the periodical

neuveden

Issue of the periodical within the volume

2018

Country of publishing house

DE - GERMANY

Number of pages

8

Pages from-to

1800409

UT code for WoS article

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EID of the result in the Scopus database

2-s2.0-85059163075