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Graphitic carbon nitride nanosheets decorated with HAp@Bi2S3 core–shell nanorods: Dual S-scheme 1D/2D heterojunction for environmental and hydrogen production solutions
Abstract
By combining different semiconductors, scientists have developed innovative materials capable of converting solar energy into useful forms of energy or driving chemical reactions that clean up pollutants. These materials offer a promising path to combat global environmental and energy challenges. In this study, HAp@Bi2S3 core–shell structures were synthesized using a facile microemulsion technique, and then loaded onto graphitic carbon nitride via a hydrothermal method to create an advanced HAp@Bi2S3/g-C3N4 dual S-scheme heterojunction. The engineered heterojunction exhibited enhanced hydrogen production and visible light photocatalytic oxidation of metronidazole. The improved photocatalytic efficiency was attributed to the core–shell structure of HAp@Bi2S3 along with the formation of a dual S-scheme heterojunction in HAp@Bi2S3/g-C3N4. As a result, the novel dual S-scheme HAp@Bi2S3/g-C3N4 heterojunction demonstrated a significantly higher hydrogen production rate, ca. 20 times higher than that of hydroxyapatite (HAp), 11 times higher than Bi2S3, and 5 times higher than the HAp@Bi2S3. This research introduces a novel approach to crafting dual S-scheme heterojunctions based on Bi2S3, which enables swift electron transfer across heterojunction interfaces, thereby enlarged possibility windows to sustainable hydrogen production and wastewater remediation technologies.
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Authors (7)
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Mohammad Chahkandi
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Mahboobeh Zargazi
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Khadijeh Boland Ghiasabadi
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Jin Suk Chung
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Mohammad Saeb
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Mehdi Baghayeri
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Keywords
Details
- Category:
- Articles
- Type:
- artykuły w czasopismach
- Published in:
-
CHEMICAL ENGINEERING JOURNAL
no. 499,
ISSN: 1385-8947 - Language:
- English
- Publication year:
- 2024
- Bibliographic description:
- Chahkandi M., Zargazi M., Ghiasabadi K. B., Chung J. S., Yazdi M. K., Saeb M., Baghayeri M.: Graphitic carbon nitride nanosheets decorated with HAp@Bi2S3 core–shell nanorods: Dual S-scheme 1D/2D heterojunction for environmental and hydrogen production solutions// CHEMICAL ENGINEERING JOURNAL -Vol. 499, (2024), s.155886-
- DOI:
- Digital Object Identifier (open in new tab) 10.1016/j.cej.2024.155886
- Sources of funding:
-
- Free publication
- Verified by:
- Gdańsk University of Technology
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