Title
Multi-functional copper oxide nanosystems for <tex>$H_{2}$</tex> sustainable production and sensing Multi-functional copper oxide nanosystems for <tex>$H_{2}$</tex> sustainable production and sensing
Author
Faculty/Department
Faculty of Sciences. Physics
Publication type
article
Publication
Subject
Physics
Source (journal)
ECS transactions
Volume/pages
25(2009) :8 , p. 1169-1176
ISSN
1938-5862
Carrier
E
Target language
English (eng)
Affiliation
University of Antwerp
Abstract
This work focuses on the use of tailored copper oxide nanoarchitectures as multi-functional materials for the sustainable production of hydrogen and its on-line detection. An innovative copper(II) precursor, Cu(hfa)2TMEDA, was adopted in the CVD of CuxO (x=1,2) nanosystems under both O2 and O2+H2O atmospheres on Si(100) and Al2O3 substrates. A multi-technique characterization indicates that both the phase composition (from Cu2O to CuO) and morphology (from continuous films to entangled quasi-1D nanosystems) can be tailored by varying the growth temperature and reaction atmosphere. The obtained CuxO nanodeposits are active in the photocatalytic H2 production from aqueous solutions under UV-Vis irradiation and display interesting gas sensing performances towards hydrogen detection even at moderate temperatures.
E-info
http://dx.doi.org/10.1149/1.3207721
Handle