BROWSE

Related Researcher

Author's Photo

Jang, Ji-Wook
JW Energy Lab
Research Interests
  • Materials Science, Energy

ITEM VIEW & DOWNLOAD

Awakening Solar Water-Splitting Activity of ZnFe2O4 Nanorods by Hybrid Microwave Annealing

Cited 4 times inthomson ciCited 1 times inthomson ci
Title
Awakening Solar Water-Splitting Activity of ZnFe2O4 Nanorods by Hybrid Microwave Annealing
Author
Kim, Ju HunKim, Jin HyunJang, Ji-WookKim, Jae YoungChoi, Sun HeeMagesh, GanesanLee, JinwooLee, Jae Sung
Issue Date
2015-03
Publisher
WILEY-V C H VERLAG GMBH
Citation
ADVANCED ENERGY MATERIALS, v.5, no.6, pp.1401933
Abstract
1D zinc ferrite (ZnFe2O4) photoanode is fabricated on an F-doped tin oxide substrate at a low temperature by an all-solution method. To activate the material for photoelectrochemical water splitting, the hybrid microwave annealing (HMA) is applied with graphite powder as a susceptor. Thus, HMA treatment of ZnFe2O4 photoanode synthesized at 550 °C increases the photocurrent density of water oxidation by 15 times. In contrast, the conventional thermal annealing at 800 °C brings only 1.7-fold increase. The various physical characterizations and hole scavenger photooxidation experiments with H2O2 reveal that the post-HMA treatment anneals the surface defect states and enhances the crystallinity. Hence, HMA treatment is effective to suppress charge-carrier recombination both on the surface and in the bulk of ZnFe2O4 to bring out its latent solar water-splitting activity.
URI
https://scholarworks.unist.ac.kr/handle/201301/10232
URL
http://onlinelibrary.wiley.com/doi/10.1002/aenm.201401933/abstract
DOI
10.1002/aenm.201401933
ISSN
1614-6832
Appears in Collections:
ECHE_Journal Papers
Files in This Item:
There are no files associated with this item.

find_unist can give you direct access to the published full text of this article. (UNISTARs only)

Show full item record

qrcode

  • mendeley

    citeulike

Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.

MENU