Establishing Thermodynamic Graphs of Nitrogenous Radical Cations Abstracting Hydrogen Atoms and Their Applications in Photoredox Reactions
Xia Zhao, Yi-Lin Hou, Jun Yang, Xin-Hua Wang, Chong-Shan Hu, Xiao-Qing Zhu, Guang-Bin Shen
TL;DR
This paper creates thermodynamic graphs to better understand and apply nitrogen-based compounds in chemical reactions involving hydrogen atom transfer.
Contribution
The paper introduces 120 thermodynamic graphs that capture seven key parameters for hydrogen abstraction by nitrogenous radical cations.
Findings
Thermodynamic graphs were developed to elucidate redox characteristics of nitrogenous radical cations.
The graphs help in selecting photocatalysts and assessing HAT feasibility in photoredox reactions.
The study provides insights into the activation mechanisms of hydrogen abstraction processes.
Abstract
Nitrogenous compounds have been extensively utilized as hydrogen atom transfer (HAT) catalysts in photoredox reactions, with nitrogenous radical cations being the actual hydrogen atom abstractors. Building upon our previous work, 120 thermodynamic graphs of nitrogenous radical cations abstracting hydrogen atoms, which encompass seven vital thermodynamic parameters, are designed and established to elucidate their redox characteristics. Furthermore, the applications of thermodynamic graphs to select appropriate photocatalysts, assess the feasibility of the HAT process, and diagnose the possible activation mechanism were discussed, which would enable the utilities of nitrogenous compounds as HAT catalysts or nitrogenous radical cations as hydrogen atom abstractors in photoredox reactions.
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Taxonomy
TopicsCO2 Reduction Techniques and Catalysts · Radical Photochemical Reactions · Electrocatalysts for Energy Conversion