Two-dimensional(2D)high-entropy alloys(HEAs)have emerged as promising electrocatalysts due to the benefits of polymetallic coordination and robust elec-trical conductivity.However,the multiple elements in 2D HEAs pose...Two-dimensional(2D)high-entropy alloys(HEAs)have emerged as promising electrocatalysts due to the benefits of polymetallic coordination and robust elec-trical conductivity.However,the multiple elements in 2D HEAs pose challenges in achieving a uniform composition and maintaining a 2D limit morphology,complicating their structural characterization.Furthermore,even minor adjust-ments to the composition can significantly alter the properties of 2D HEAs,underscoring the need for a deeper understanding of their structure-property relationships to advance synthesis and application.Therefore,this review crit-ically examines the intrinsic factors influencing synthesis methods and the practical applications of 2D HEAs in electrocatalysis for sustainable energy con-version.The urgency is emphasized for developing new synthesis techniques,enhancing advanced characterization methods,and gaining profound insights into the functional mechanisms of 2D HEAs.展开更多
Alkyne-based click polymerizations have been nurtured into a powerful synthetic technique for the preparation of new polymers with advanced structures and versatile properties.Among them,the emerging thiol-yne,hydroxy...Alkyne-based click polymerizations have been nurtured into a powerful synthetic technique for the preparation of new polymers with advanced structures and versatile properties.Among them,the emerging thiol-yne,hydroxyl-yne,and amino-yne click polymerizations have made remarkable progress from reactions to applications.These polymerizations avoid the usage of inherently dangerous monomers and are safer to operate than the classical azide-alkyne click polymerization(AACP),making them more prospective for diverse applications.To greatly promote the new alkyne-based click polymerizations beyond AACP,a new concept of“X-yne click polymerization”is proposed to unify them,where“X”denotes the monomers that can react with alkynes under mild reaction conditions,including thiols,alcohols,amines,and other promising ones.In this review,we mainly present a brief account of the progress of X-yne click polymerization and discuss in detail the challenges and opportunities in this field.展开更多
基金China Postdoctoral Science Foundation,Grant/Award Number:2022M722867Key Research Project of Higher Education Institutions in Henan Province,Grant/Award Number:23A530001+1 种基金Henan Province Key Research and Promotion Project-Scientific and Technological Breakthroughs,Grant/Award Number:232102230088National Natural Science Foundation of China,Grant/Award Numbers:22205209,U21A200972。
文摘Two-dimensional(2D)high-entropy alloys(HEAs)have emerged as promising electrocatalysts due to the benefits of polymetallic coordination and robust elec-trical conductivity.However,the multiple elements in 2D HEAs pose challenges in achieving a uniform composition and maintaining a 2D limit morphology,complicating their structural characterization.Furthermore,even minor adjust-ments to the composition can significantly alter the properties of 2D HEAs,underscoring the need for a deeper understanding of their structure-property relationships to advance synthesis and application.Therefore,this review crit-ically examines the intrinsic factors influencing synthesis methods and the practical applications of 2D HEAs in electrocatalysis for sustainable energy con-version.The urgency is emphasized for developing new synthesis techniques,enhancing advanced characterization methods,and gaining profound insights into the functional mechanisms of 2D HEAs.
基金National Natural Science Foundation of China,Grant/Award Numbers:21788102,21525417Natural Science Foundation of Guangdong Province,Grant/Award Numbers:2019B030301003,2016A030312002Innovation and Technology Commission of Hong Kong,Grant/Award Number:ITC-CNERC14SC01。
文摘Alkyne-based click polymerizations have been nurtured into a powerful synthetic technique for the preparation of new polymers with advanced structures and versatile properties.Among them,the emerging thiol-yne,hydroxyl-yne,and amino-yne click polymerizations have made remarkable progress from reactions to applications.These polymerizations avoid the usage of inherently dangerous monomers and are safer to operate than the classical azide-alkyne click polymerization(AACP),making them more prospective for diverse applications.To greatly promote the new alkyne-based click polymerizations beyond AACP,a new concept of“X-yne click polymerization”is proposed to unify them,where“X”denotes the monomers that can react with alkynes under mild reaction conditions,including thiols,alcohols,amines,and other promising ones.In this review,we mainly present a brief account of the progress of X-yne click polymerization and discuss in detail the challenges and opportunities in this field.
