Supercritical fluid mediated synthesis of highly exfoliated graphene/ZnO composite for photocatalytic hydrogen production

Title
Supercritical fluid mediated synthesis of highly exfoliated graphene/ZnO composite for photocatalytic hydrogen production
Author(s)
심재진할도리유바라즈
Keywords
OXIDE; TIO2; PERFORMANCE; WATER
Issue Date
201410
Publisher
ELSEVIER SCIENCE BV
Citation
MATERIALS LETTERS, v.133, pp.24 - 27
Abstract
Reduced graphene oxide (RGO)/zinc oxide (ZnO) composite was synthesized via a simple and environmentally-friendly route using supercritical carbon dioxide. The structure and morphology of the resulting composite was characterized by transmission electron microscopy, X-ray diffraction and Raman spectroscopy. The nanocomposite exhibited enhanced photocatalytic activity for hydrogen (H-2) production from water photo-splitting because the ZnO nanoparticles on the RGO sheets can capture light energy and facilitate excited electron transfer for photocatalytic H-2 production via RGO, which acts as an efficient electron mediator. (C) 2014 Elsevier B.V. All rights reserved.
URI
http://hdl.handle.net/YU.REPOSITORY/30679http://dx.doi.org/10.1016/j.matlet.2014.06.150
ISSN
0167-577X
Appears in Collections:
공과대학 > 화학공학부 > Articles
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