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Disintegrative activation of Pd nanoparticles on carbon nanotubes for catalytic phenol hydrogenation

The strong dependence of catalytic activity and selectivity on the size of nanoparticles has imposed great value on facile methods for tailoring metal nanoparticles (NPs) with uniform dispersion on a heterogeneous support. Here, a simple and effective method for re-activating sintered Pd NPs decorat...

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Main Authors: Zhang, L., Wang, B., Ding, Y., Wen, G., Hamid, Sharifah Bee Abd, Su, D.
Format: Article
Published: Royal Society of Chemistry 2016
Subjects:
Q Science (General)
QD Chemistry
Online Access:http://eprints.um.edu.my/18670/
https://doi.org/10.1039/c5cy02165k
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spelling my.um.eprints.186702018-10-19T04:02:29Z http://eprints.um.edu.my/18670/ Disintegrative activation of Pd nanoparticles on carbon nanotubes for catalytic phenol hydrogenation Zhang, L. Wang, B. Ding, Y. Wen, G. Hamid, Sharifah Bee Abd Su, D. Q Science (General) QD Chemistry The strong dependence of catalytic activity and selectivity on the size of nanoparticles has imposed great value on facile methods for tailoring metal nanoparticles (NPs) with uniform dispersion on a heterogeneous support. Here, a simple and effective method for re-activating sintered Pd NPs decorated on carbon supports is demonstrated using HNO3 vapour at mild temperatures in a closed system, without loss in the Pd content. We further reveal that nitrogen oxide play an important role in the re-dispersion of Pd NPs. In a catalytic phenol hydrogenation reaction, the re-dispersed NPs exhibit superior catalytic activity as compared to sintered Pd NPs supported on CNTs. Royal Society of Chemistry 2016 Article PeerReviewed Zhang, L. and Wang, B. and Ding, Y. and Wen, G. and Hamid, Sharifah Bee Abd and Su, D. (2016) Disintegrative activation of Pd nanoparticles on carbon nanotubes for catalytic phenol hydrogenation. Catalysis Science and Technology, 6 (4). pp. 1003-1006. ISSN 2044-4753 https://doi.org/10.1039/c5cy02165k doi:10.1039/c5cy02165k
institution Universiti Malaya
building UM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Malaya
content_source UM Research Repository
url_provider http://eprints.um.edu.my/
topic Q Science (General)
QD Chemistry
spellingShingle Q Science (General)
QD Chemistry
Zhang, L.
Wang, B.
Ding, Y.
Wen, G.
Hamid, Sharifah Bee Abd
Su, D.
Disintegrative activation of Pd nanoparticles on carbon nanotubes for catalytic phenol hydrogenation
description The strong dependence of catalytic activity and selectivity on the size of nanoparticles has imposed great value on facile methods for tailoring metal nanoparticles (NPs) with uniform dispersion on a heterogeneous support. Here, a simple and effective method for re-activating sintered Pd NPs decorated on carbon supports is demonstrated using HNO3 vapour at mild temperatures in a closed system, without loss in the Pd content. We further reveal that nitrogen oxide play an important role in the re-dispersion of Pd NPs. In a catalytic phenol hydrogenation reaction, the re-dispersed NPs exhibit superior catalytic activity as compared to sintered Pd NPs supported on CNTs.
format Article
author Zhang, L.
Wang, B.
Ding, Y.
Wen, G.
Hamid, Sharifah Bee Abd
Su, D.
author_facet Zhang, L.
Wang, B.
Ding, Y.
Wen, G.
Hamid, Sharifah Bee Abd
Su, D.
author_sort Zhang, L.
title Disintegrative activation of Pd nanoparticles on carbon nanotubes for catalytic phenol hydrogenation
title_short Disintegrative activation of Pd nanoparticles on carbon nanotubes for catalytic phenol hydrogenation
title_full Disintegrative activation of Pd nanoparticles on carbon nanotubes for catalytic phenol hydrogenation
title_fullStr Disintegrative activation of Pd nanoparticles on carbon nanotubes for catalytic phenol hydrogenation
title_full_unstemmed Disintegrative activation of Pd nanoparticles on carbon nanotubes for catalytic phenol hydrogenation
title_sort disintegrative activation of pd nanoparticles on carbon nanotubes for catalytic phenol hydrogenation
publisher Royal Society of Chemistry
publishDate 2016
url http://eprints.um.edu.my/18670/
https://doi.org/10.1039/c5cy02165k
_version_ 1643690760783003648
score 13.160551

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