Few-layer graphene shells and nonmagnetic encapsulates: a versatile and nontoxic carbon nanomaterial.
In this work a simple and scalable approach to coat nonmagnetic nanoparticles with few-layer graphene is presented. In addition, the easy processing of such nanoparticles to remove their core, leaving only the 3D graphene nanoshell, is demonstrated. The samples are comprehensively characterized, as are their versatility in terms of functionalization and as a material for electrochemical storage. Indeed, these 3D graphene nanostructures are easily functionalized much as is found with carbon nanotubes and planar graphene. Electrochemical investigations indicate these nanostructures are promising for stable long-life battery applications. Finally, initial toxicological investigations suggest no acute health risk from these 3D graphene nanostructures.
IFW Dresden , P.O. Box 270116, 01069 Dresden, Germany.
Alicja
A
Bachmatiuk
Rafael G
RG
Mendes
Cordula
C
Hirsch
Carsten
C
Jähne
Martin R
MR
Lohe
Julia
J
Grothe
Stefan
S
Kaskel
Lei
L
Fu
Rüdiger
R
Klingeler
Jürgen
J
Eckert
Peter
P
Wick
Mark H
MH
Rümmeli
D002244:Carbon / Q000737:chemistry; D045744:Cell Line, Tumor; D002470:Cell Survival; D004563:Electrochemistry; D006108:Graphite / Q000737:chemistry*; D006801:Humans; D008280:Magnetics; D049329:Nanostructures / Q000737:chemistry*; D037742:Nanotubes, Carbon / Q000737:chemistry*; D010087:Oxides / Q000737:chemistry; D011208:Powders; D017382:Reactive Oxygen Species; D013499:Surface Properties; D013696:Temperature; D014025:Titanium / Q000737:chemistry; D018675:Toxicity Tests
D037742:Nanotubes, Carbon; D010087:Oxides; D011208:Powders; D017382:Reactive Oxygen Species; C009495:titanium dioxide; D002244:Carbon; D006108:Graphite; D014025:Titanium