Covalent functionalization of graphene oxide with molybdenum-carboxylate complexes: New reusable catalysts for the epoxidation of olefins

Covalent functionalization of graphene oxide with molybdenum-carboxylate complexes: New reusable... Colloids and Surfaces A 538 (2018) 387–392 Contents lists available at ScienceDirect Colloids and Surfaces A journal homepage: www.elsevier.com/locate/colsurfa Research paper Covalent functionalization of graphene oxide with molybdenum-carboxylate complexes: New reusable catalysts for the epoxidation of olefins M. Masteri-Farahani , S. Mirshekar Faculty of Chemistry, Kharazmi University, Tehran, Islamic Republic of Iran GR APHICAL A BSTRACT ARTICLE I NFO ABSTRACT Keywords: New graphene oxide (GO) and reduced graphene oxide (rGO) supported molybdenum catalysts were designed Graphene oxide for the epoxidation of olefins. First, the surfaces of GO and rGO were functionalized with appropriate carboxylic Heterogenization acid ligands. Complexation of the supported carboxylic acid ligands with bis(acetylacetonato)dioxomolybdenum Catalyst (VI) resulted in the formation of desired heterogeneous molybdenum catalysts. Characterization of the prepared Molybdenum catalysts was performed with various techniques such as Fourier transform infrared (FT-IR) and inductively Epoxidation coupled plasma optical emission (ICP-OES) spectroscopies, X-ray diffraction (XRD) analysis, transmission elec- tron microscopy (TEM), and N adsorption-desorption analysis which confirmed the successful immobilization of molybdenum-carboxylate complexes on the surfaces of GO and rGO. The obtained catalysts showed high cat- alytic activities in the selective epoxidation of olefins with tert-butylhydroperoxide (TBHP). Also, the hetero- geneous catalysts were recycled without remarkable decrease in http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Geoderma Elsevier

Covalent functionalization of graphene oxide with molybdenum-carboxylate complexes: New reusable catalysts for the epoxidation of olefins

Loading next page...
 
/lp/elsevier/covalent-functionalization-of-graphene-oxide-with-molybdenum-PFGn4gU0HY
Publisher
Elsevier
Copyright
Copyright © 2017 Elsevier B.V.
ISSN
0016-7061
eISSN
1872-6259
D.O.I.
10.1016/j.colsurfa.2017.11.025
Publisher site
See Article on Publisher Site

Abstract

Colloids and Surfaces A 538 (2018) 387–392 Contents lists available at ScienceDirect Colloids and Surfaces A journal homepage: www.elsevier.com/locate/colsurfa Research paper Covalent functionalization of graphene oxide with molybdenum-carboxylate complexes: New reusable catalysts for the epoxidation of olefins M. Masteri-Farahani , S. Mirshekar Faculty of Chemistry, Kharazmi University, Tehran, Islamic Republic of Iran GR APHICAL A BSTRACT ARTICLE I NFO ABSTRACT Keywords: New graphene oxide (GO) and reduced graphene oxide (rGO) supported molybdenum catalysts were designed Graphene oxide for the epoxidation of olefins. First, the surfaces of GO and rGO were functionalized with appropriate carboxylic Heterogenization acid ligands. Complexation of the supported carboxylic acid ligands with bis(acetylacetonato)dioxomolybdenum Catalyst (VI) resulted in the formation of desired heterogeneous molybdenum catalysts. Characterization of the prepared Molybdenum catalysts was performed with various techniques such as Fourier transform infrared (FT-IR) and inductively Epoxidation coupled plasma optical emission (ICP-OES) spectroscopies, X-ray diffraction (XRD) analysis, transmission elec- tron microscopy (TEM), and N adsorption-desorption analysis which confirmed the successful immobilization of molybdenum-carboxylate complexes on the surfaces of GO and rGO. The obtained catalysts showed high cat- alytic activities in the selective epoxidation of olefins with tert-butylhydroperoxide (TBHP). Also, the hetero- geneous catalysts were recycled without remarkable decrease in

Journal

GeodermaElsevier

Published: Feb 15, 2019

References

You’re reading a free preview. Subscribe to read the entire article.


DeepDyve is your
personal research library

It’s your single place to instantly
discover and read the research
that matters to you.

Enjoy affordable access to
over 18 million articles from more than
15,000 peer-reviewed journals.

All for just $49/month

Explore the DeepDyve Library

Search

Query the DeepDyve database, plus search all of PubMed and Google Scholar seamlessly

Organize

Save any article or search result from DeepDyve, PubMed, and Google Scholar... all in one place.

Access

Get unlimited, online access to over 18 million full-text articles from more than 15,000 scientific journals.

Your journals are on DeepDyve

Read from thousands of the leading scholarly journals from SpringerNature, Elsevier, Wiley-Blackwell, Oxford University Press and more.

All the latest content is available, no embargo periods.

See the journals in your area

DeepDyve

Freelancer

DeepDyve

Pro

Price

FREE

$49/month
$360/year

Save searches from
Google Scholar,
PubMed

Create lists to
organize your research

Export lists, citations

Read DeepDyve articles

Abstract access only

Unlimited access to over
18 million full-text articles

Print

20 pages / month

PDF Discount

20% off