Black phosphorus(BP),an interesting and multi-functional non-metal material,has attracted widespread attention.In this work,2D BP/2D g-C3N4 heterostructure had been fabricated at extremely low temperature,which was us...Black phosphorus(BP),an interesting and multi-functional non-metal material,has attracted widespread attention.In this work,2D BP/2D g-C3N4 heterostructure had been fabricated at extremely low temperature,which was used to reduce CO2 for the first time.With introduction of 2D BP,the separation of photogenerated holes and electrons was extremely boosted,and composites showed excellent photocatalytic performance(CO2 to CO).Meanwhile,the targeted composite could keep high selectivity for CO generation and CO generation rate can be up to 187.7μmol g−1 h^−1.The formation process of the unique heterostructure and the key factor affecting the photocatalytic performance were also discussed.This work provides a new approach for designing metal free photocatalyst,which is used for CO2 reduction.展开更多
基金supported by the National Natural Science Foundation of China(21676128,21776118,51902138)Hightech Research Key laboratory of Zhenjiang(SS2018002)+4 种基金Jiangsu Funds for Distinguished Young Scientists(BK20190045)Natural Science Foundation of Jiangsu Province(BK20190835)the Priority Academic Program Development of Jiangsu Higher Education Institutions,Key Laboratory of Electrochemical Energy Storage and Energy Conversion of Hainan Province(KFKT2019002)Construction funding of High-level teachers,Jiangsu University(4111510008)the High Performance Computing Platform of Jiangsu University.
文摘Black phosphorus(BP),an interesting and multi-functional non-metal material,has attracted widespread attention.In this work,2D BP/2D g-C3N4 heterostructure had been fabricated at extremely low temperature,which was used to reduce CO2 for the first time.With introduction of 2D BP,the separation of photogenerated holes and electrons was extremely boosted,and composites showed excellent photocatalytic performance(CO2 to CO).Meanwhile,the targeted composite could keep high selectivity for CO generation and CO generation rate can be up to 187.7μmol g−1 h^−1.The formation process of the unique heterostructure and the key factor affecting the photocatalytic performance were also discussed.This work provides a new approach for designing metal free photocatalyst,which is used for CO2 reduction.