Zero-dimensional(0D)organic-inorganic metal halide perovskite is one of the hot research topics in the field of optoelectronic materials.Their structure generally consists of discrete metal halide octahedra entirely i...Zero-dimensional(0D)organic-inorganic metal halide perovskite is one of the hot research topics in the field of optoelectronic materials.Their structure generally consists of discrete metal halide octahedra entirely isolated by surrounding organic cations,forming independent luminescent centers[1,2].Such a configuration results in high exciton binding energy and exceptional luminescence efficiency,due to strong quantum confinement[3,4].展开更多
Macrocyclic hosts play a crucial role in supramolecular chemistry and the development of supramolecular functional materials.Their well-defined cavities and diverse host-vip interactions endow macrocycles with excel...Macrocyclic hosts play a crucial role in supramolecular chemistry and the development of supramolecular functional materials.Their well-defined cavities and diverse host-vip interactions endow macrocycles with excellent stimuli responsiveness,facilitating efficient assembly construction.However,the limited availability of functional groups in conventional macrocycles restricts their ability to meet the demand for fabricating materials with multiple functionalities.To address this limitation,several research groups have introduced tetraphenylethylene(TPE),a well-known building block renowned for its remarkable aggregation-induced emission(AIE)effect,into the macrocycle framework.Herein,this paper summarizes the combination strategies and synergistic approaches that achieve multi-functionality by integrating TPE and macrocyclic architectures.The emission characteristics of TPE-embedded macrocycles are elucidated,and it is anticipated that more AIE-type macrocycles with innovative backbones and broad applications will emerge.展开更多
Pacific-type orogens(fold belts)hosting accretionary complexes are places keeping records of the evolution of paleo-oceans,and formation and transformation of continental crust at their active convergent margins.Pacif...Pacific-type orogens(fold belts)hosting accretionary complexes are places keeping records of the evolution of paleo-oceans,and formation and transformation of continental crust at their active convergent margins.Pacific-type orogeny induces destruction of crustal materials,their subduction to the deep mantle,generation of hydrouscarbonated plumes in the mantle transition zone(MTZ)and its related intra-plate magmatism.We propose a new approach for linking paleo-oceans,active margins and intra-plate magmatism in central and eastern Asia.The approach“stands”on three“whales”:the model of Ocean Plate Stratigraphy(OPS),the parameters of Pacific-type convergent margins and a model of hydrous-carbonated plumes.The OPS model evolved from extensive studies of accretionary complexes in the western Pacific,in particular,in Japan;it allows differentiating oceanic plates of one paleoocean and evaluating their sizes and ages.An important issue for reconstructing the history of paleo-oceans is to estimate major parameters of the Pacific-type convergent margins:accreting vs.eroding,geometrical length,and life time.For the eroding margins we must define major periods of tectonic erosion and transportation of oceanic and continental materials to the deep mantle and evaluate a possibility of their accumulation in the MTZ.All this would allow us to develop a holistic model linking the evolution of paleooceans,the accretion and erosion of oceanic and continental crust materials at Pacific-type convergent margins,mantle metasomatism and intra-plate magmatism.展开更多
文摘Zero-dimensional(0D)organic-inorganic metal halide perovskite is one of the hot research topics in the field of optoelectronic materials.Their structure generally consists of discrete metal halide octahedra entirely isolated by surrounding organic cations,forming independent luminescent centers[1,2].Such a configuration results in high exciton binding energy and exceptional luminescence efficiency,due to strong quantum confinement[3,4].
基金the National Natural Science Foundation of China(No.22271154)the Science Fund for Distinguished Young Scholars of Jiangsu Province(No.BK20240078).
文摘Macrocyclic hosts play a crucial role in supramolecular chemistry and the development of supramolecular functional materials.Their well-defined cavities and diverse host-vip interactions endow macrocycles with excellent stimuli responsiveness,facilitating efficient assembly construction.However,the limited availability of functional groups in conventional macrocycles restricts their ability to meet the demand for fabricating materials with multiple functionalities.To address this limitation,several research groups have introduced tetraphenylethylene(TPE),a well-known building block renowned for its remarkable aggregation-induced emission(AIE)effect,into the macrocycle framework.Herein,this paper summarizes the combination strategies and synergistic approaches that achieve multi-functionality by integrating TPE and macrocyclic architectures.The emission characteristics of TPE-embedded macrocycles are elucidated,and it is anticipated that more AIE-type macrocycles with innovative backbones and broad applications will emerge.
基金This work evolved from UNESCO-IUGS IGCP#592 project“Continental construction in Central Asia”(2011-2016)is currently supported by the Ministry of Education and Science of the Russian Federation,grant#14.Y26.31.0018Additional support came from the Russian Foundation for Basic Research(grant#16-05-00313)and Scientific Projects of IGM SB RAS no.0330-2016-0003 and 0330-2016-0018。
文摘Pacific-type orogens(fold belts)hosting accretionary complexes are places keeping records of the evolution of paleo-oceans,and formation and transformation of continental crust at their active convergent margins.Pacific-type orogeny induces destruction of crustal materials,their subduction to the deep mantle,generation of hydrouscarbonated plumes in the mantle transition zone(MTZ)and its related intra-plate magmatism.We propose a new approach for linking paleo-oceans,active margins and intra-plate magmatism in central and eastern Asia.The approach“stands”on three“whales”:the model of Ocean Plate Stratigraphy(OPS),the parameters of Pacific-type convergent margins and a model of hydrous-carbonated plumes.The OPS model evolved from extensive studies of accretionary complexes in the western Pacific,in particular,in Japan;it allows differentiating oceanic plates of one paleoocean and evaluating their sizes and ages.An important issue for reconstructing the history of paleo-oceans is to estimate major parameters of the Pacific-type convergent margins:accreting vs.eroding,geometrical length,and life time.For the eroding margins we must define major periods of tectonic erosion and transportation of oceanic and continental materials to the deep mantle and evaluate a possibility of their accumulation in the MTZ.All this would allow us to develop a holistic model linking the evolution of paleooceans,the accretion and erosion of oceanic and continental crust materials at Pacific-type convergent margins,mantle metasomatism and intra-plate magmatism.
