Fluorographenes via thermal exfoliation of graphite oxide in SF6, SF4 and MoF6 atmospheres

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F60461373%3A22310%2F14%3A43897478" target="_blank" >RIV/60461373:22310/14:43897478 - isvavai.cz</a>

Výsledek na webu

<a href="http://pubs.rsc.org/en/content/articlehtml/2014/tc/c4tc00395k" target="_blank" >http://pubs.rsc.org/en/content/articlehtml/2014/tc/c4tc00395k</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1039/c4tc00395k" target="_blank" >10.1039/c4tc00395k</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Fluorographenes via thermal exfoliation of graphite oxide in SF6, SF4 and MoF6 atmospheres

Popis výsledku v původním jazyce

Functionalization of graphene with heteroatoms is of paramount interest. Doping of graphene materials with electron withdrawing groups leads to the opening of the band gap which further results in a change of its electronic and electrochemical properties. Fluorine exhibits the largest electronegativity and thus it is expected that fluorographenes will have significantly different properties from graphene. Fluorinated graphene was prepared by a scalable method using thermal treatments (at different temperatures) or microwave plasma exfoliation of graphite oxides (prepared via chlorate or permanganate routes) in atmospheres containing SF6, SF4 or MoF6 fluorination agents. We characterized the resulting fluorographenes by scanning electron microscopy, Raman spectroscopy, X-ray photoelectron spectroscopy, combustible elemental analysis and cyclic voltammetry. It was observed that with increasing fluorine content the heterogeneous electron transfer rates increased. The scalable fluorination

Název v anglickém jazyce

Fluorographenes via thermal exfoliation of graphite oxide in SF6, SF4 and MoF6 atmospheres

Popis výsledku anglicky

Functionalization of graphene with heteroatoms is of paramount interest. Doping of graphene materials with electron withdrawing groups leads to the opening of the band gap which further results in a change of its electronic and electrochemical properties. Fluorine exhibits the largest electronegativity and thus it is expected that fluorographenes will have significantly different properties from graphene. Fluorinated graphene was prepared by a scalable method using thermal treatments (at different temperatures) or microwave plasma exfoliation of graphite oxides (prepared via chlorate or permanganate routes) in atmospheres containing SF6, SF4 or MoF6 fluorination agents. We characterized the resulting fluorographenes by scanning electron microscopy, Raman spectroscopy, X-ray photoelectron spectroscopy, combustible elemental analysis and cyclic voltammetry. It was observed that with increasing fluorine content the heterogeneous electron transfer rates increased. The scalable fluorination

Druh

J_x - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)

CEP obor

CA - Anorganická chemie

OECD FORD obor

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Projekt

—

Návaznosti

S - Specificky vyzkum na vysokych skolach

Rok uplatnění

2014

Kód důvěrnosti údajů

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

Název periodika

Journal of Materials Chemistry C

ISSN

2050-7526

e-ISSN

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Svazek periodika

2

Číslo periodika v rámci svazku

26

Stát vydavatele periodika

GB - Spojené království Velké Británie a Severního Irska

Počet stran výsledku

10

Strana od-do

5198-5207

Kód UT WoS článku

000337786900019

EID výsledku v databázi Scopus

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