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Cadmium sulfide Co-catalyst reveals the crystallinity impact of nickel oxide photocathode in photoelectrochemical water splitting

Nickel oxide (NiO) with p-type semiconducting behaviour was prepared via a direct anodisation of nickel (Ni) foam followed by calcination treatment. This method offers a direct photoelectrode synthesis without the intermediate step using a pre-synthesised NiO powder. NiO photocathodes with modulated...

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Main Authors: Suzuki, Yoshitaka, Xie, Zhirun, Lu, Xunyu, Cheng, Yoke Wang, Amal, Rose, Yun, Hau Ng
Format: Article
Language:English
Published: Elsevier 2018
Subjects:
TP Chemical technology
Online Access:http://umpir.ump.edu.my/id/eprint/24124/1/Cadmium%20sulfide%20Co-catalyst%20reveals%20the%20crystallinity1.pdf
http://umpir.ump.edu.my/id/eprint/24124/
https://doi.org/10.1016/j.ijhydene.2018.06.088
https://doi.org/10.1016/j.ijhydene.2018.06.088
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spelling my.ump.umpir.241242019-02-07T08:46:40Z http://umpir.ump.edu.my/id/eprint/24124/ Cadmium sulfide Co-catalyst reveals the crystallinity impact of nickel oxide photocathode in photoelectrochemical water splitting Suzuki, Yoshitaka Xie, Zhirun Lu, Xunyu Cheng, Yoke Wang Amal, Rose Yun, Hau Ng TP Chemical technology Nickel oxide (NiO) with p-type semiconducting behaviour was prepared via a direct anodisation of nickel (Ni) foam followed by calcination treatment. This method offers a direct photoelectrode synthesis without the intermediate step using a pre-synthesised NiO powder. NiO photocathodes with modulated crystallinity were prepared under elevated calcination temperatures. The beneficial effect of having higher crystallinity in generating higher cathodic photocurrent became obvious in the aid of cadmium sulfide (CdS) deposition. It was found that CdS can promote the excited charge transportation of NiO towards water reduction, thus revealing the effect of NiO crystallinity modulation. The role of CdS as co-catalyst rather than a photosensitiser can be useful in the future design of photoelectrodes. Elsevier 2018 Article PeerReviewed pdf en http://umpir.ump.edu.my/id/eprint/24124/1/Cadmium%20sulfide%20Co-catalyst%20reveals%20the%20crystallinity1.pdf Suzuki, Yoshitaka and Xie, Zhirun and Lu, Xunyu and Cheng, Yoke Wang and Amal, Rose and Yun, Hau Ng (2018) Cadmium sulfide Co-catalyst reveals the crystallinity impact of nickel oxide photocathode in photoelectrochemical water splitting. International Journal of Hydrogen Energy. pp. 1-6. ISSN 0360-3199 (In Press) https://doi.org/10.1016/j.ijhydene.2018.06.088 https://doi.org/10.1016/j.ijhydene.2018.06.088
institution Universiti Malaysia Pahang
building UMP Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Malaysia Pahang
content_source UMP Institutional Repository
url_provider http://umpir.ump.edu.my/
language English
topic TP Chemical technology
spellingShingle TP Chemical technology
Suzuki, Yoshitaka
Xie, Zhirun
Lu, Xunyu
Cheng, Yoke Wang
Amal, Rose
Yun, Hau Ng
Cadmium sulfide Co-catalyst reveals the crystallinity impact of nickel oxide photocathode in photoelectrochemical water splitting
description Nickel oxide (NiO) with p-type semiconducting behaviour was prepared via a direct anodisation of nickel (Ni) foam followed by calcination treatment. This method offers a direct photoelectrode synthesis without the intermediate step using a pre-synthesised NiO powder. NiO photocathodes with modulated crystallinity were prepared under elevated calcination temperatures. The beneficial effect of having higher crystallinity in generating higher cathodic photocurrent became obvious in the aid of cadmium sulfide (CdS) deposition. It was found that CdS can promote the excited charge transportation of NiO towards water reduction, thus revealing the effect of NiO crystallinity modulation. The role of CdS as co-catalyst rather than a photosensitiser can be useful in the future design of photoelectrodes.
format Article
author Suzuki, Yoshitaka
Xie, Zhirun
Lu, Xunyu
Cheng, Yoke Wang
Amal, Rose
Yun, Hau Ng
author_facet Suzuki, Yoshitaka
Xie, Zhirun
Lu, Xunyu
Cheng, Yoke Wang
Amal, Rose
Yun, Hau Ng
author_sort Suzuki, Yoshitaka
title Cadmium sulfide Co-catalyst reveals the crystallinity impact of nickel oxide photocathode in photoelectrochemical water splitting
title_short Cadmium sulfide Co-catalyst reveals the crystallinity impact of nickel oxide photocathode in photoelectrochemical water splitting
title_full Cadmium sulfide Co-catalyst reveals the crystallinity impact of nickel oxide photocathode in photoelectrochemical water splitting
title_fullStr Cadmium sulfide Co-catalyst reveals the crystallinity impact of nickel oxide photocathode in photoelectrochemical water splitting
title_full_unstemmed Cadmium sulfide Co-catalyst reveals the crystallinity impact of nickel oxide photocathode in photoelectrochemical water splitting
title_sort cadmium sulfide co-catalyst reveals the crystallinity impact of nickel oxide photocathode in photoelectrochemical water splitting
publisher Elsevier
publishDate 2018
url http://umpir.ump.edu.my/id/eprint/24124/1/Cadmium%20sulfide%20Co-catalyst%20reveals%20the%20crystallinity1.pdf
http://umpir.ump.edu.my/id/eprint/24124/
https://doi.org/10.1016/j.ijhydene.2018.06.088
https://doi.org/10.1016/j.ijhydene.2018.06.088
_version_ 1643669762572550144
score 13.211869

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