POS5-0214
Two-dimensional C3N4 nanoplatelets produced by unzipping of C3N4 nanotubes
When and Where
Nov 30, -0001
00:00 - 00:00
Presenter(s)
bogyeong Kim (INHA University)
Co-Author(s)
Abstract
In this study, two-dimensional (2D) carbon nitride (C3N4) nanosheets (Un-CN) were synthesized via unzipping of one-dimensional (1D) C3N4 nanotubes (Tu-CN) through acid treatment, and their photocatalytic and electrocatalytic performances were systematically evaluated. Un-CN exhibited excellent dispersibility in various aqueous and organic solvents. Comprehensive structural, photophysical, and electrochemical characterizations revealed that Un-CN possesses a suitable band structure for visible-light absorption, blue photoluminescence, prolonged charge-carrier lifetimes, low interfacial charge-transfer resistance, and efficient in-plane charge transport along the C₃N₄ network. These features effectively promoted charge separation and transport, leading to markedly enhanced catalytic performance. Photocatalytic activity was evaluated through the degradation of Rhodamine B under visible-light irradiation, where Un-CN showed superior efficiency and stability compared to bulk CN (MCN) and Tu-CN counterparts. Furthermore, Un-CN demonstrated outstanding electrocatalytic activities for hydrogen and oxygen evolution reactions without the incorporation of any metallic co-catalysts. This work demonstrates that metal-free platform for advanced photocatalytic and electrocatalytic applications
Reference
[1] Dawoon Jang, Sangjoon Park, Seungjoo Choi, Jeongho Kim, and Sungjin Park , Two-step process to produce porous carbon nitrides as efficient photocatalysts to degrades organic pollutants. J. Photochem. Photobiol. A 2023, 443, 114840
Reference
[1] Dawoon Jang, Sangjoon Park, Seungjoo Choi, Jeongho Kim, and Sungjin Park , Two-step process to produce porous carbon nitrides as efficient photocatalysts to degrades organic pollutants. J. Photochem. Photobiol. A 2023, 443, 114840
