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Ru-embedded 3d g-c3n4 hollow nanosheets (3d cnhns) with proficient charge transfer for stimulating photocatalytic h-2 production

In the recent development of structured materials, efficient and low-cost materials are highly demanding for hydrogen production. In this work, novel 3D graphitic carbon nitride hollow nanosheets (CNHNS) with controlled morphology loaded with Ru for photocatalytic hydrogen production has been invest...

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Main Authors: Tahir, B., Tahir, M., Nawawai, M. G. M., Khoja, A. H., Ul Haq, B., Farooq, W.
Format: Article
Published: Pergamon-Elsevier Science Ltd. 2021
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TP Chemical technology
Online Access:http://eprints.utm.my/id/eprint/96583/
http://dx.doi.org/10.1016/j.ijhydene.2021.06.037
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spelling my.utm.965832022-07-28T07:00:11Z http://eprints.utm.my/id/eprint/96583/ Ru-embedded 3d g-c3n4 hollow nanosheets (3d cnhns) with proficient charge transfer for stimulating photocatalytic h-2 production Tahir, B. Tahir, M. Nawawai, M. G. M. Khoja, A. H. Ul Haq, B. Farooq, W. TP Chemical technology In the recent development of structured materials, efficient and low-cost materials are highly demanding for hydrogen production. In this work, novel 3D graphitic carbon nitride hollow nanosheets (CNHNS) with controlled morphology loaded with Ru for photocatalytic hydrogen production has been investigated. Compared to CN, CNHNS improves H-2 evolution of 2 times due to hollow structure with higher light absorption and proficient separation of charges within 3D structure. The highest H-2 evolution was attained over 3% Ru loaded CNHNS with yield rate of 1580 mu mol g(-1) h(-1), which was 11.9 times higher than it was evolved over CNHNS and 15.1 times more than using CN, respectively. This obvious augmented photoactivity can be assigned to boosted charges separation in hollow structure, whereas, Ru further promoted the transfer of electrons. The performance of 3D Ru/CNHNS was further increased in an externally reflected solar system, which was 1.30 times more than using photoreactor without reflector. This was evidently due to increasing light intensity inside the reactor by reflecting light, thus, promoting quantum efficiency under the same source of light. The stability results further confirm continuous H-2 evolution even after six cycles. Thus, newly developed method for synthesis of hierarchical 3D hollow structures and externally reflector solar photoreactor will provide new directions for hydrogen production systems. Pergamon-Elsevier Science Ltd. 2021 Article PeerReviewed Tahir, B. and Tahir, M. and Nawawai, M. G. M. and Khoja, A. H. and Ul Haq, B. and Farooq, W. (2021) Ru-embedded 3d g-c3n4 hollow nanosheets (3d cnhns) with proficient charge transfer for stimulating photocatalytic h-2 production. International Journal Of Hydrogen Energy, 46 (55). pp. 27997-28010. ISSN 0360-3199 http://dx.doi.org/10.1016/j.ijhydene.2021.06.037 DOI: 10.1016/j.ijhydene.2021.06.037
institution Universiti Teknologi Malaysia
building UTM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Teknologi Malaysia
content_source UTM Institutional Repository
url_provider http://eprints.utm.my/
topic TP Chemical technology
spellingShingle TP Chemical technology
Tahir, B.
Tahir, M.
Nawawai, M. G. M.
Khoja, A. H.
Ul Haq, B.
Farooq, W.
Ru-embedded 3d g-c3n4 hollow nanosheets (3d cnhns) with proficient charge transfer for stimulating photocatalytic h-2 production
description In the recent development of structured materials, efficient and low-cost materials are highly demanding for hydrogen production. In this work, novel 3D graphitic carbon nitride hollow nanosheets (CNHNS) with controlled morphology loaded with Ru for photocatalytic hydrogen production has been investigated. Compared to CN, CNHNS improves H-2 evolution of 2 times due to hollow structure with higher light absorption and proficient separation of charges within 3D structure. The highest H-2 evolution was attained over 3% Ru loaded CNHNS with yield rate of 1580 mu mol g(-1) h(-1), which was 11.9 times higher than it was evolved over CNHNS and 15.1 times more than using CN, respectively. This obvious augmented photoactivity can be assigned to boosted charges separation in hollow structure, whereas, Ru further promoted the transfer of electrons. The performance of 3D Ru/CNHNS was further increased in an externally reflected solar system, which was 1.30 times more than using photoreactor without reflector. This was evidently due to increasing light intensity inside the reactor by reflecting light, thus, promoting quantum efficiency under the same source of light. The stability results further confirm continuous H-2 evolution even after six cycles. Thus, newly developed method for synthesis of hierarchical 3D hollow structures and externally reflector solar photoreactor will provide new directions for hydrogen production systems.
format Article
author Tahir, B.
Tahir, M.
Nawawai, M. G. M.
Khoja, A. H.
Ul Haq, B.
Farooq, W.
author_facet Tahir, B.
Tahir, M.
Nawawai, M. G. M.
Khoja, A. H.
Ul Haq, B.
Farooq, W.
author_sort Tahir, B.
title Ru-embedded 3d g-c3n4 hollow nanosheets (3d cnhns) with proficient charge transfer for stimulating photocatalytic h-2 production
title_short Ru-embedded 3d g-c3n4 hollow nanosheets (3d cnhns) with proficient charge transfer for stimulating photocatalytic h-2 production
title_full Ru-embedded 3d g-c3n4 hollow nanosheets (3d cnhns) with proficient charge transfer for stimulating photocatalytic h-2 production
title_fullStr Ru-embedded 3d g-c3n4 hollow nanosheets (3d cnhns) with proficient charge transfer for stimulating photocatalytic h-2 production
title_full_unstemmed Ru-embedded 3d g-c3n4 hollow nanosheets (3d cnhns) with proficient charge transfer for stimulating photocatalytic h-2 production
title_sort ru-embedded 3d g-c3n4 hollow nanosheets (3d cnhns) with proficient charge transfer for stimulating photocatalytic h-2 production
publisher Pergamon-Elsevier Science Ltd.
publishDate 2021
url http://eprints.utm.my/id/eprint/96583/
http://dx.doi.org/10.1016/j.ijhydene.2021.06.037
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score 13.211869

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