A novel thiocarbamide functionalized graphene oxide supported bimetallic monodisperse Rh-Pt nanoparticles (RhPt/TC@GO NPs) for Knoevenagel condensation of aryl aldehydes together with malononitrile

Basit Öğe Kaydı
dc.contributor.authorŞen, Betül
dc.contributor.authorAkdere, Esma Hazal
dc.contributor.authorŞavk, Aysun
dc.contributor.authorGültekin, Emine
dc.contributor.authorParalı, Özge
dc.contributor.authorGöksu, Haydar
dc.contributor.authorŞen, Fatih
dc.date.accessioned2020-04-30T22:38:48Z
dc.date.available2020-04-30T22:38:48Z
dc.date.issued2018
dc.departmentDÜ, Kaynaşlı Meslek Yüksekokuluen_US
dc.descriptionWOS: 000424719300015en_US
dc.description.abstractFunctionalization of the graphene provides various possibilities to improve the use of the graphene and to provide more chemical conversion to the graphene. In order to enhance its chemical and physical properties, the graphite which is mainly functionalized with heteroatom-based functional groups is followed intensively, but often results in the inoculation of heteroatoms as various functional groups. Here we show that the graphene oxide can be mainly functionalized with a single species of sulfur and can be reduced to form a graphene which is ftmctionalized with monothiol at the same time. By the help of thiocarbamide-functionalized graphene oxide (TC@GO) the monodisperse rhodium/platinum nanoparticles (RhPt/TC@GO NPs) have been synthesized as promising catalysts for the Knoevenagel condensation to benzylidenemalononitrile derivatives of aryl aldehydes. The monodisperse RhPt/TC@GO NPs have been prepared via a facile method. The novel thiocarbamide-functionalized graphene oxide (TC@GO) supported rhodium/platinum nanoparticles (RhPt/TC@GO NPs) are identified by characterization techniques such as the Raman spectroscopy, high resolution transmission electron microscopy (HRTEM), transmission electron microscopy (TEM), X-ray diffraction (XRD) and X-ray photoelectron spectroscopy (XPS). The spectroscopic and morphological studies of the monodisperse RhPt/TNM@GO NPs indicate the highly crystalline form, well dispersity, ultrafine structure and colloidally stable NPs. After fully characterization of prepared nanoparticles, the novel nanocatalysts have been tried for the Knoevenagel condensation to benzylidenemalononitrile derivatives of aryl aldehydes and show excellent catalytic activity and a yield over 99% by the reaction at room temperature within 8-35 min in the presence of malononitrile and derivatives of aldehyde. As a result, the prepared nanocomposites exhibit very good heterogeneous catalyst properties for Knoevenagel condensation reactions.en_US
dc.description.sponsorshipDuzce UniversityDuzce University [2015.26.04.371]; Dumlupinar University Research FundDumlupinar University [2014-05, 2016-75, 2017-40]; Science Academy; FABEDen_US
dc.description.sponsorshipThis research was supported by Duzce University (grant no. 2015.26.04.371) and Dumlupinar University Research Fund (2014-05, 2016-75 and 2017-40). The partial supports from Science Academy and FABED are highly acknowledged.en_US
dc.identifier.doi10.1016/j.apcatb.2017.11.067en_US
dc.identifier.endpage153en_US
dc.identifier.issn0926-3373
dc.identifier.issn1873-3883
dc.identifier.scopusqualityQ1en_US
dc.identifier.startpage148en_US
dc.identifier.urihttps://doi.org/10.1016/j.apcatb.2017.11.067
dc.identifier.urihttps://hdl.handle.net/20.500.12684/2450
dc.identifier.volume225en_US
dc.identifier.wosWOS:000424719300015en_US
dc.identifier.wosqualityQ1en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherElsevieren_US
dc.relation.ispartofApplied Catalysis B-Environmentalen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectKnoevenagel condensationen_US
dc.subjectMonodispersityen_US
dc.subjectNovel graphene oxideen_US
dc.subjectRhPt/TC@GO NPsen_US
dc.subjectThiocarbamide functionalizarionen_US
dc.titleA novel thiocarbamide functionalized graphene oxide supported bimetallic monodisperse Rh-Pt nanoparticles (RhPt/TC@GO NPs) for Knoevenagel condensation of aryl aldehydes together with malononitrileen_US
dc.typeArticleen_US

Dosyalar

Orijinal paket
Listeleniyor 1 - 1 / 1
Küçük Resim Yok
İsim:
2450.pdf
Boyut:
673.93 KB
Biçim:
Adobe Portable Document Format
Açıklama:
Tam Metin / Full Text
İndir

Koleksiyon

WoS İndeksli Yayınlar Koleksiyonu
Makale Koleksiyonu
Scopus İndeksli Yayınlar Koleksiyonu