One dimensional inorganic/organic heterojunction nanomaterials have gained extensive attention in materials science because of their outstanding optical and electrical properties. Strong interactions between the inorg...One dimensional inorganic/organic heterojunction nanomaterials have gained extensive attention in materials science because of their outstanding optical and electrical properties. Strong interactions between the inorganic and organic units can lead to novel or improved physical or chemical performance relative to that of the individual components, realizing synergistic ("1+1>2") performance. It is of great scientific significance for the development of basic scientific research: Understanding and interpretation the law of molecular self-assemble, controlling the self-assemble of low dimensional molecular aggregation with high ordered degree in large area through tailoring the molecular structure and the interaction forces, understanding the synergy drive mechanism produced by the weak interactions between the molecular aggregations then optimizing the original function through the hybrid/ heterojunction self-assemble. In this paper, we discuss the synthetic methods for preparing heterojunctions incorporating diverse components and their potential applications in the fields of electronics and optics.展开更多
Scientists have developed techniques for synthesizing and characterizing many new materials including conjugated small molecules, polymers and gold particles protected by conjugated organic chromophores for testing sp...Scientists have developed techniques for synthesizing and characterizing many new materials including conjugated small molecules, polymers and gold particles protected by conjugated organic chromophores for testing specific sensing properties in the past decade. Still, the design and synthesis or supermolecular systems fabrication of novel materials with controlled sensing properties is a significant and ongoing challenge within nanoscience and nanotechnology. Recently, our group has successfully constructed a series of chemosensors using small organic molecules, conjugated polymers and gold nanoparticles for real-time detection of specific analytes. The chemosensors show high selectivity and sensitivity in the detection of cations and biologic analytes and thus are potentially promising for applications in sensing assay system. In this review, recent sutdies on the design, synthesis and photo-physical properties of novel materials and construct of chemosensors are summarized with an emphasis on the development in our groups in recent years.展开更多
Development of aqueous rechargeable zinc ion battery is an important direction towards grid energy storage sought in various applications.At present,the efficient utilization of aqueous rechargeable zinc ion batteries...Development of aqueous rechargeable zinc ion battery is an important direction towards grid energy storage sought in various applications.At present,the efficient utilization of aqueous rechargeable zinc ion batteries has been seriously affected due to the defects nature of the cathode materials,such as poor capacity,limited rate performance,and limited cycle stability.Therefore,the search for high-performance cathode materials is a main challenge in this field.Herein,we in-situ prepared graphdiyne-wrapped K_(0.25)·MnO_(2)(K_(0.25)·MnO_(2)@GDY)hybrid nanowall arrays as the cathode of aqueous rechargeable zinc ion battery.The hybridnanowall arrays have obviously alleviated the pulverization and sluggish kinetic process of MnO_(2) cathode materials and shown high specific capacity(520 mA·h/g at a current density of 55 mA/g),which is near-full two-electron capacity.The high specific capacity was resulted from more than one Zn^(2+)(de)intercalation process occurring per formula unit,in which we observed a structural evolution that partially stemmed from ion exchange between the intercalated K^(+) and Zn^(2+) ions during the discharge process.The present investigation not only provides a new material for the aqueous rechargeable Zn ion batteries,also contributes a novel route for the development of next generation aqueous rechargeable Zn ion batteries with high capacity.展开更多
基金supported by the National Natural Science Foundation of China(21031006)the National Basic Research Program of China(2011CB932302,2012CB932900)
文摘One dimensional inorganic/organic heterojunction nanomaterials have gained extensive attention in materials science because of their outstanding optical and electrical properties. Strong interactions between the inorganic and organic units can lead to novel or improved physical or chemical performance relative to that of the individual components, realizing synergistic ("1+1>2") performance. It is of great scientific significance for the development of basic scientific research: Understanding and interpretation the law of molecular self-assemble, controlling the self-assemble of low dimensional molecular aggregation with high ordered degree in large area through tailoring the molecular structure and the interaction forces, understanding the synergy drive mechanism produced by the weak interactions between the molecular aggregations then optimizing the original function through the hybrid/ heterojunction self-assemble. In this paper, we discuss the synthetic methods for preparing heterojunctions incorporating diverse components and their potential applications in the fields of electronics and optics.
基金Supported by the National Natural Science Foundation of China (Grant Nos. 20531060, 20721061 & 20873155)the National Basic Research 973 Pro-gramme of China (Grant No. 2007CB936401)
文摘Scientists have developed techniques for synthesizing and characterizing many new materials including conjugated small molecules, polymers and gold particles protected by conjugated organic chromophores for testing specific sensing properties in the past decade. Still, the design and synthesis or supermolecular systems fabrication of novel materials with controlled sensing properties is a significant and ongoing challenge within nanoscience and nanotechnology. Recently, our group has successfully constructed a series of chemosensors using small organic molecules, conjugated polymers and gold nanoparticles for real-time detection of specific analytes. The chemosensors show high selectivity and sensitivity in the detection of cations and biologic analytes and thus are potentially promising for applications in sensing assay system. In this review, recent sutdies on the design, synthesis and photo-physical properties of novel materials and construct of chemosensors are summarized with an emphasis on the development in our groups in recent years.
基金This work was supported by the National Key Research and Development Project of China(No.2016YFA0200104)the National Natural Science Foundation of China(Nos.21875258,21790050,21790053)the Key Program of the Chinese Academy of Sciences(No.QYZDY-SSWSLH015).
文摘Development of aqueous rechargeable zinc ion battery is an important direction towards grid energy storage sought in various applications.At present,the efficient utilization of aqueous rechargeable zinc ion batteries has been seriously affected due to the defects nature of the cathode materials,such as poor capacity,limited rate performance,and limited cycle stability.Therefore,the search for high-performance cathode materials is a main challenge in this field.Herein,we in-situ prepared graphdiyne-wrapped K_(0.25)·MnO_(2)(K_(0.25)·MnO_(2)@GDY)hybrid nanowall arrays as the cathode of aqueous rechargeable zinc ion battery.The hybridnanowall arrays have obviously alleviated the pulverization and sluggish kinetic process of MnO_(2) cathode materials and shown high specific capacity(520 mA·h/g at a current density of 55 mA/g),which is near-full two-electron capacity.The high specific capacity was resulted from more than one Zn^(2+)(de)intercalation process occurring per formula unit,in which we observed a structural evolution that partially stemmed from ion exchange between the intercalated K^(+) and Zn^(2+) ions during the discharge process.The present investigation not only provides a new material for the aqueous rechargeable Zn ion batteries,also contributes a novel route for the development of next generation aqueous rechargeable Zn ion batteries with high capacity.
