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Updated: Feb 1, 2026

Efficient Synthesis of All-Carbon Quaternary Centers via the Conjugate Addition of Functionalized Monoorganozinc Bromides
Published on: May 26, 2019
Coordination-driven synthesis of perfected π-conjugated graphitic carbon nitride with efficient charge transfer for
Yean Zhu1, Chuanbao Xiong1, Shaoqing Song2
1Key Laboratory of Nuclear Resources and Environment (National Key Laboratory), East China University of Technology, 418 Guanglan Road, Nanchang 330013, PR China.
Abstract:
Efficient yield of reactive-oxygen species (ROS) is greatly important for environmental purification and engineering. In this study, the perfected π-conjugated g-C3N4 (PNa-g-C3N4) photocatalysts were constructed by coordination between 3p orbits of Na and N 2p lone electron at vacancy structure of tri-s-triazine polymer for ROS evolution and elimination of HCHO and NO. The perfected π-conjugated structure enhances the visible-light capturing capability, enriches active sites for O2 activation, and promotes the directional charge transfer from N 2p of C3-N to Na and C. Therefore, the superior activities including the evolution of O2- (35 µmol.L-1h-1), and H2O2 (517 µmol.L-1h-1) have been achieved over PNa-g-C3N4 photocatalyst. As a result, PNa-g-C3N4 photocatalysts demonstrate high performances removal efficiency of NO (53% for 6 min), and HCHO (almost 100% for 55 min) in the elimination process. The results may provide the promising strategy to construct efficient photocatalytic system to yield ROS for environmental purification.
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