Hexagonal-borocarbonitride (h-BCN) based heterostructure photocatalyst for energy and environmental applications : A review
Copyright © 2022 Elsevier Ltd. All rights reserved..
Formulation of heterojunction with remarkable high efficiency by utilizing solar light is promising to synchronously overcome energy and environmental crises. In this concern, hexagonal-borocarbonitride (h-BCN) based Z-schemes have proved potential candidates due to their spatially separated oxidation and reduction sites, robust light-harvesting ability, high charge pair migration and separation, and strong redox ability. H-BCN has emerged as a hotspot in the research field as a metal-free photocatalyst with a tunable bandgap range of 0-5.5 eV. The BCN photocatalyst displayed synergistic benefits of both graphene and boron nitride. Herein, the review demonstrates the current state-of-the-art in the Z-scheme photocatalytic application with a special emphasis on the predominant features of their photoactivity. Initially, fundamental aspects and various synthesis techniques are discussed, including thermal polymerization, template-assisted, and template-free methods. Afterward, the reaction mechanism of direct Z-scheme photocatalysts and indirect Z-scheme (all-solid-state) are highlighted. Moreover, the emerging Step-scheme (S-scheme) systems are briefly deliberated to understand the charge transfer pathway mechanism with an induced internal electric field. This review critically aims to comprehensively summarize the photo-redox applications of various h-BCN-based heterojunction photocatalysts including CO2 photoreduction, H2 evolution, and pollutants degradation. Finally, some challenges and future direction of h-BCN-based Z-scheme photocatalyst in environmental remediation are also proposed.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2023 |
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| Erschienen: |
2023 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:313 |
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| Enthalten in: |
Chemosphere - 313(2023) vom: 01. Feb., Seite 137610 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Garg, Heena [VerfasserIn] |
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| Links: |
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| Themen: |
7782-42-5 |
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| Anmerkungen: |
Date Completed 11.01.2023 Date Revised 11.01.2023 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1016/j.chemosphere.2022.137610 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| 520 | |a Formulation of heterojunction with remarkable high efficiency by utilizing solar light is promising to synchronously overcome energy and environmental crises. In this concern, hexagonal-borocarbonitride (h-BCN) based Z-schemes have proved potential candidates due to their spatially separated oxidation and reduction sites, robust light-harvesting ability, high charge pair migration and separation, and strong redox ability. H-BCN has emerged as a hotspot in the research field as a metal-free photocatalyst with a tunable bandgap range of 0-5.5 eV. The BCN photocatalyst displayed synergistic benefits of both graphene and boron nitride. Herein, the review demonstrates the current state-of-the-art in the Z-scheme photocatalytic application with a special emphasis on the predominant features of their photoactivity. Initially, fundamental aspects and various synthesis techniques are discussed, including thermal polymerization, template-assisted, and template-free methods. Afterward, the reaction mechanism of direct Z-scheme photocatalysts and indirect Z-scheme (all-solid-state) are highlighted. Moreover, the emerging Step-scheme (S-scheme) systems are briefly deliberated to understand the charge transfer pathway mechanism with an induced internal electric field. This review critically aims to comprehensively summarize the photo-redox applications of various h-BCN-based heterojunction photocatalysts including CO2 photoreduction, H2 evolution, and pollutants degradation. Finally, some challenges and future direction of h-BCN-based Z-scheme photocatalyst in environmental remediation are also proposed | ||
| 650 | 4 | |a Review | |
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| 650 | 4 | |a Hexagonal-borocarbonitride (h-BCN) | |
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| 700 | 1 | |a Nguyen, Van-Huy |e verfasserin |4 aut | |
| 700 | 1 | |a Kim, Soo Young |e verfasserin |4 aut | |
| 700 | 1 | |a Le, Quyet Van |e verfasserin |4 aut | |
| 700 | 1 | |a Ahamad, Tansir |e verfasserin |4 aut | |
| 700 | 1 | |a Alshehri, Saad M |e verfasserin |4 aut | |
| 700 | 1 | |a Hussain, Chaudhery Mustansar |e verfasserin |4 aut | |
| 700 | 1 | |a Nguyen, Thi Thanh Huyen |e verfasserin |4 aut | |
| 700 | 1 | |a Singh, Pardeep |e verfasserin |4 aut | |
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