Fast and exothermic reaction of CO2 and Li3N into C-N-containing solid materials

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The conversion of CO2 to valuable compounds, which is considered as an effective approach to solve the global warming, represents a great challenge due to the high stability and low reactivity of CO2. Herein, thermodynamic calculations predicted the feasibility of exothermic reactions between CO2 and Li3N into two important solid materials-carbon nitride and lithium cyanamide. Furthermore, the feasibility was confirmed by experiments, namely, the fast reaction between CO2 and Li3N produced crystal lithium cyanamide and amorphous carbon nitrides. This provides a novel process to control CO2 emissions. © 2011 American Chemical Society.

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Journal of Physical Chemistry A