Surface synergism of Pd/H2Ti3O7 composite nanowires for catalytic and photocatalytic hydrogen production from ammonia borane

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Pd-incorporated H2Ti3O7 nanowires are synthesized using a facile one-step procedure. H2Ti3O7 nanowires are prepared using a modified alkaline hydrothermal method and Pd is incorporated into the H2Ti3O7 nanowires using a photodeposition technique. The prepared Pd-incorporated H2Ti3O7 nanowires are characterized using XRD, TEM, XPS, ultraviolet-visible spectroscopy, and photoluminescence spectroscopy. The results show that Pd-incorporated H2Ti3O7 nanowires are formed and that the photocatalytic properties of the H2Ti3O7 nanowires are improved by the doping and deposition processes. Furthermore, 1 wt% Pd/H2Ti3O7 composite nanowires show a high hydrogen production rate (up to 0.31 mol min(-1)) under visible light illumination at 20 degrees C, and the efficiency of 0.25 wt% Pd/H2Ti3O7 composite nanowires is enhanced by 20% under visible light illumination. The detailed mechanism of hydrogen production through hydrolysis of ammonia borane by using Pd/H2Ti3O7 composite nanowires is discussed.
Publisher
PERGAMON-ELSEVIER SCIENCE LTD
Issue Date
2016-02
Language
English
Article Type
Article
Keywords

BORON-NITROGEN BONDS; AMINE-BORANE; GENERATION SYSTEM; REUSABLE CATALYST; ROOM-TEMPERATURE; TIO2 NANOBELTS; DOPED TIO2; HYDROLYSIS; DEHYDROGENATION; STORAGE

Citation

INTERNATIONAL JOURNAL OF HYDROGEN ENERGY, v.41, no.5, pp.3428 - 3435

ISSN
0360-3199
DOI
10.1016/j.ijhydene.2015.12.058
URI
http://hdl.handle.net/10203/208343
Appears in Collection
NE-Journal Papers(저널논문)
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