The assessment of graphitic carbon nitride (g-C3N4) materials for hydrogen evolution reaction: Effect of metallic and non-metallic modifications
- Authors
- Sun, Yang; Kumar, Vanish; Kim, Ki Hyun
- Issue Date
- Jan-2023
- Publisher
- ELSEVIER
- Keywords
- Carbon nitride (g-C3N4); Photocatalysis; Hydrogen evolution; Composite; Energy
- Citation
- SEPARATION AND PURIFICATION TECHNOLOGY, v.305, pp.1 - 13
- Indexed
- SCIE
SCOPUS
- Journal Title
- SEPARATION AND PURIFICATION TECHNOLOGY
- Volume
- 305
- Start Page
- 1
- End Page
- 13
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/172759
- DOI
- 10.1016/j.seppur.2022.122413
- ISSN
- 1383-5866
- Abstract
- Photocatalytic hydrogen evolution is a viable and eco-friendly technology to deal with the energy crisis. Among diverse metallic and non-metallic photocatalysts, graphitic carbon nitride (g-C3N4) is recognized to have the great potential for the hydrogen evolution reaction (HER) with the aid of its widespread availability, low cost, and unique optical/electrical properties. This review discusses the advantageous photocatalytic properties of g-C3N4 for the generation of hydrogen. The mechanism and role of g-C3N4-based materials in the photocatalytic HER are also described along with their synthesis procedures and modification approaches with metallic and/or non-metallic components. The applicability of g-C3N4-based materials is assessed further based on figure of merit (FoM). Accordingly, the most effective strategies for g-C3N4-based HER are identified to include such options as the dye conjugation (e.g., C4BTP-C3N4, FoM = 1.35 × 10−4 mol g−1 Wh−1) and metallic-co-catalyst doping of g-C3N4 (e.g., Au-g-C3N4, FoM = 1.69 × 10−4 mol g−1 Wh−1).
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