Synthesis of cuprous sulfide nanoparticles anchored graphene for enhanced capacitive energy storage

•Cu2S/graphene hybrids were synthesized by a simple method.•Cu2S/graphene hybrids showed improving electrochemical properties.•The nanocomposites are promising candidates for supercapacitors. A hierarchical hybrid structure of cuprous sulfide (Cu2S) nanoparticles anchored graphene (Cu2S/RGO) has bee...

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Published in:Applied surface science 2016-05, Vol.370, p.508-513
Main Authors: Li, Z.J., Yang, B.C., Lv, X.W., Li, Y.C., Wang, L.
Format: Article
Language:English
Subjects:
CAPACITANCE
COPPER SULFIDE
Copper sulfides
Cuprous sulfide
CURRENT DENSITY
Cycles
DEPOSITION
Electrochemical properties
Energy storage
Graphene
MICROSTRUCTURES
Nanoparticles
Nanostructure
PARTICLES
STORAGE
SULFIDES
Supercapacitors
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cited_by cdi_FETCH-LOGICAL-c376t-1bca750b887da335d1ebb0d7cce760f8fcbe1ad0b8a2dcd29f77617e731bdebc3
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container_issue
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container_title Applied surface science
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creator Li, Z.J.
Yang, B.C.
Lv, X.W.
Li, Y.C.
Wang, L.
description •Cu2S/graphene hybrids were synthesized by a simple method.•Cu2S/graphene hybrids showed improving electrochemical properties.•The nanocomposites are promising candidates for supercapacitors. A hierarchical hybrid structure of cuprous sulfide (Cu2S) nanoparticles anchored graphene (Cu2S/RGO) has been successfully synthesized through a facile one-step hydrothermal method. The Cu2S nanoparticles with a size in the range of 10–30nm are uniformly deposited onto the double sides of the RGO nanosheets to form a sandwich structure. Electrochemical tests demonstrate that the as-synthesized Cu2S/RGO hybrids have an improved specific capacitance of 208Fg−1 at a current density of 1.0Ag−1. The Cu2S/RGO exhibit higher cycling and rate performances than corresponding Cu2S nanoparticles mainly attributed to the unique structural properties of Cu2S/RGO hybrids, which combine a non-aggregation of graphene layers and well distribution of Cu2S nanoparticles.
doi_str_mv 10.1016/j.apsusc.2015.12.053
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subjects CAPACITANCE
COPPER SULFIDE
Copper sulfides
Cuprous sulfide
CURRENT DENSITY
Cycles
DEPOSITION
Electrochemical properties
Energy storage
Graphene
MICROSTRUCTURES
Nanoparticles
Nanostructure
PARTICLES
STORAGE
SULFIDES
Supercapacitors
title Synthesis of cuprous sulfide nanoparticles anchored graphene for enhanced capacitive energy storage
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