View : 28 Download: 0

Hybrid architecture of rhodium oxide nanofibers and ruthenium oxide nanowires for electrocatalysts

Title
Hybrid architecture of rhodium oxide nanofibers and ruthenium oxide nanowires for electrocatalysts
Authors
Kim, Yu LimHa, YejinLee, Nam-SukKim, Joo GonBaik, Jeong MinLee, ChongmokYoon, KyunghwanLee, YoungmiKim, Myung Hwa
Ewha Authors
이종목이영미김명화
SCOPUS Author ID
이종목scopus; 이영미scopus; 김명화scopus
Issue Date
2016
Journal Title
JOURNAL OF ALLOYS AND COMPOUNDS
ISSN
0925-8388JCR Link1873-4669JCR Link
Citation
vol. 663, pp. 574 - 580
Keywords
Rhodium oxideRuthenium oxideNanofiberNanowireElectrocatalyst
Publisher
ELSEVIER SCIENCE SA
Indexed
SCI; SCIE; SCOPUS WOS scopus
Abstract
We report the synthesis and electrochemical performances of the hybrid architecture of rhodium oxide (Rh2O3) nanofibers (NF) and highly single crystalline RuO2 nanowires (NW) by combining the electro-spinning process and a simple recrystallization process. The amorphous Ru(OH)(3)center dot xH(2)O precursors at relatively low temperature were efficiently transformed into highly single crystalline RuO2 nanowires with the tetragonal rutile structure on electrospun Rh2O3 nanofibers. Pure Rh2O3 NF and hybrid RuO2 NW-Rh2O3 NF exhibited different electroactivities toward H2O2 electrochemical reaction: Rh2O3 NF facilitates the H2O2 oxidation vs. hybrid RuO2 NW-Rh2O3 NF promotes H2O2 reduction more favorably. The H2O2 reduction free from O-2 reduction interference at RuO2 NW-Rh2O3 NF is advantageous and finds the feasibility for selective H2O2 detection in various samples. Furthermore, RuO2 NW-Rh2O3 NF generated a greatly higher current induced by H2O2 reduction (i.e., enhanced sensitivity to H2O2) than bare Rh2O3 NF. (C) 2015 Elsevier B.V. All rights reserved.
DOI
10.1016/j.jallcom.2015.12.141
Appears in Collections:
자연과학대학 > 화학·나노과학전공 > Journal papers
Files in This Item:
There are no files associated with this item.
Export
RIS (EndNote)
XLS (Excel)
XML


qrcode

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

BROWSE