Highly improved supercapacitance properties of MnFe2O4 nanoparticles by MoS2 nanosheets

Abstract Manganese ferrite (MnFe2O4) nanoparticles were synthesized via a hydrothermal method and combined with exfoliated MoS2 nanosheets, and the nanocomposite was studied as a supercapacitor. X-ray diffractometry and Raman spectroscopy confirmed the crystalline structures and structural character...

Descripción completa

Guardado en:

Detalles Bibliográficos
Autores principales:	Samira Sharifi, Kourosh Rahimi, Ahmad Yazdani
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/1b44459d213d4a86bb9ba3572194561b
Etiquetas:	Agregar Etiqueta Sin Etiquetas, Sea el primero en etiquetar este registro!

id	oai:doaj.org-article:1b44459d213d4a86bb9ba3572194561b
record_format	dspace
spelling	oai:doaj.org-article:1b44459d213d4a86bb9ba3572194561b2021-12-02T18:03:31ZHighly improved supercapacitance properties of MnFe2O4 nanoparticles by MoS2 nanosheets10.1038/s41598-021-87823-62045-2322https://doaj.org/article/1b44459d213d4a86bb9ba3572194561b2021-04-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-87823-6https://doaj.org/toc/2045-2322Abstract Manganese ferrite (MnFe2O4) nanoparticles were synthesized via a hydrothermal method and combined with exfoliated MoS2 nanosheets, and the nanocomposite was studied as a supercapacitor. X-ray diffractometry and Raman spectroscopy confirmed the crystalline structures and structural characteristics of the nanocomposite. Transmission electron microscopy images showed the uniform size distribution of MnFe2O4 nanoparticles (~ 13 nm) on few-layer MoS2 nanosheets. UV–visible absorption photospectrometry indicated a decrease in the bandgap of MnFe2O4 by MoS2, resulting in a higher conductivity that is suitable for capacitance. Electrochemical tests showed that the incorporation of MoS2 nanosheets largely increased the specific capacitance of MnFe2O4 from 600 to 2093 F/g (with the corresponding energy density and power density of 46.51 Wh/kg and 213.64 W/kg, respectively) at 1 A/g, and led to better charge–discharge cycling stability. We also demonstrated a real-world application of the MnFe2O4/MoS2 nanocomposite in a two-cell asymmetric supercapacitor setup. A density functional theory study was also performed on the MnFe2O4/MoS2 interface to analyze how a MoS2 monolayer can enhance the electronic properties of MnFe2O4 towards a higher specific capacitance.Samira SharifiKourosh RahimiAhmad YazdaniNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-15 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Samira Sharifi Kourosh Rahimi Ahmad Yazdani Highly improved supercapacitance properties of MnFe2O4 nanoparticles by MoS2 nanosheets
description	Abstract Manganese ferrite (MnFe2O4) nanoparticles were synthesized via a hydrothermal method and combined with exfoliated MoS2 nanosheets, and the nanocomposite was studied as a supercapacitor. X-ray diffractometry and Raman spectroscopy confirmed the crystalline structures and structural characteristics of the nanocomposite. Transmission electron microscopy images showed the uniform size distribution of MnFe2O4 nanoparticles (~ 13 nm) on few-layer MoS2 nanosheets. UV–visible absorption photospectrometry indicated a decrease in the bandgap of MnFe2O4 by MoS2, resulting in a higher conductivity that is suitable for capacitance. Electrochemical tests showed that the incorporation of MoS2 nanosheets largely increased the specific capacitance of MnFe2O4 from 600 to 2093 F/g (with the corresponding energy density and power density of 46.51 Wh/kg and 213.64 W/kg, respectively) at 1 A/g, and led to better charge–discharge cycling stability. We also demonstrated a real-world application of the MnFe2O4/MoS2 nanocomposite in a two-cell asymmetric supercapacitor setup. A density functional theory study was also performed on the MnFe2O4/MoS2 interface to analyze how a MoS2 monolayer can enhance the electronic properties of MnFe2O4 towards a higher specific capacitance.
format	article
author	Samira Sharifi Kourosh Rahimi Ahmad Yazdani
author_facet	Samira Sharifi Kourosh Rahimi Ahmad Yazdani
author_sort	Samira Sharifi
title	Highly improved supercapacitance properties of MnFe2O4 nanoparticles by MoS2 nanosheets
title_short	Highly improved supercapacitance properties of MnFe2O4 nanoparticles by MoS2 nanosheets
title_full	Highly improved supercapacitance properties of MnFe2O4 nanoparticles by MoS2 nanosheets
title_fullStr	Highly improved supercapacitance properties of MnFe2O4 nanoparticles by MoS2 nanosheets
title_full_unstemmed	Highly improved supercapacitance properties of MnFe2O4 nanoparticles by MoS2 nanosheets
title_sort	highly improved supercapacitance properties of mnfe2o4 nanoparticles by mos2 nanosheets
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/1b44459d213d4a86bb9ba3572194561b
work_keys_str_mv	AT samirasharifi highlyimprovedsupercapacitancepropertiesofmnfe2o4nanoparticlesbymos2nanosheets AT kouroshrahimi highlyimprovedsupercapacitancepropertiesofmnfe2o4nanoparticlesbymos2nanosheets AT ahmadyazdani highlyimprovedsupercapacitancepropertiesofmnfe2o4nanoparticlesbymos2nanosheets
_version_	1718378675449102336

Highly improved supercapacitance properties of MnFe2O4 nanoparticles by MoS2 nanosheets

Ejemplares similares