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RISS 인기검색어
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- 저자 : Zeng Jie(증지에) (검색결과 2 건)
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Graphitic carbon nitride based electrodes for supercapacitor applications
Jie Zeng(증지에),S. V. Prabhakar Vattikuti(바티쿠티프랍하카르),Jaesool Shim(심재술) 대한기계학회 2021 대한기계학회 춘추학술대회 Vol.2021 No.11
Graphitized carbon nitride (g-C₃N₄) has received great attention in the field of energy conversion and storage issues due to its unique porous properties, high physical and chemical stability, and has become a hotspot and widely interdisciplinary interest [1]. This important review examines (i) the latest developments related to the design and construction of original g-C₃N₄ and g-C₃N₄-based nanostructured electrodes, including hard and soft template methods, and supramolecular-like nanoarchitecture design of bare g-C₃N₄. Summarize: (i) pre-organized assembly, exfoliation and template-free synthesis; (ii) functionalization of g-C₃N₄ by elemental doping or copolymerization, and (iii) formation of heterostructures/junctions. Strictly review the structure and properties of each class of heterojunction system: metal-g-C₃N₄, semiconductor-g-C₃N₄, homotype g-C₃N₄/g-C₃N₄, conductive polymer/g-C₃N₄, sensitizer/g-C₃N₄ and multi-component heterojunctions. This “viewpoint” outlines the latest major developments in high-performance g- C₃N₄-based electrodes designed for high energy density and rate performance. Finally, this “perspective” focuses on the challenges and opportunities faced by the future development of g-C₃N₄-based electrodes in an interesting field of research.
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g-C₃N₄ based Nanocomposites for Hydrogen Production
Zeng Jie(증지에),Jaesool Shim(심재술) 대한기계학회 2021 대한기계학회 춘추학술대회 Vol.2021 No.4
Graphitic carbon nitride (g-C<SUB>3</SUB>N<SUB>4</SUB>), as a metal-free and visible light-responsive photocatalyst in the field of solar energy conversion and environmental remediation, has become a hot spot and has attracted widespread interdisciplinary attention [1], thanks to its unique electronic band structure, high physical and chemical stability and rich earth properties. This important review summarizes the latest developments related to the design and construction of original g-C<SUB>3</SUB>N<SUB>4</SUB> and g-C<SUB>3</SUB>N<SUB>4</SUB>-based nanocomposites, including (i) the nano architecture design of bare g-C<SUB>3</SUB>N<SUB>4</SUB>, such as hard and soft templates methods, supramolecular pre-organization assembly, exfoliation and template-free synthesis; (ii) functionalization of g-C<SUB>3</SUB>N<SUB>4</SUB> by element doping or copolymerization, and (iii) formation of heterostructures/junctions. The structure and characteristics of each classification of the heterojunction system will be strictly reviewed, namely metal-g-C<SUB>3</SUB>N<SUB>4</SUB>, semiconductor-g-C<SUB>3</SUB>N<SUB>4</SUB>, homotype g-C<SUB>3</SUB>N<SUB>4</SUB>/g-C<SUB>3</SUB>N<SUB>4</SUB>, graphitic carbon-g-C<SUB>3</SUB>N<SUB>4</SUB>, conductive polymer-g-C<SUB>3</SUB>N<SUB>4</SUB>, sensitizer-g-C<SUB>3</SUB>N<SUB>4</SUB> and multi-component heterojunction. This Viewpoint outlines the latest major developments in high-performance g-C<SUB>3</SUB>N<SUB>4</SUB>-based photocatalysts designed to generate hydrogen under visible light irradiation. Describes reasonable strategies, such as nanostructure design, band gap engineering, dye sensitization, and heterostructure fabrication. Finally, this Viewpoint focuses on the challenges and opportunities faced by the future development of g-C<SUB>3</SUB>N<SUB>4</SUB>-based photocatalysts in the exciting research field.
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