Hollow multishelled structure(HoMS),a promising and complex multifunctional structural system,features at least two shells that are separated by internal voids.The unique structure endows it with numerous advantages i...Hollow multishelled structure(HoMS),a promising and complex multifunctional structural system,features at least two shells that are separated by internal voids.The unique structure endows it with numerous advantages including low density,high loading capacity,large specific surface area,facilitated mass transport,and multiple spatial confinement effect.In the past twenty years,benefiting from the booming development of synthesis methods,various HoMS materials have been prepared and show promising applications in diverse areas.展开更多
Noble metal nanoparticles,such as gold or silver nanoparticles and nanorods,exhibit unique photonic,electronic and catalytic properties.Functionalization of noble metal nanoparticles with biomolecules(e.g.,protein and...Noble metal nanoparticles,such as gold or silver nanoparticles and nanorods,exhibit unique photonic,electronic and catalytic properties.Functionalization of noble metal nanoparticles with biomolecules(e.g.,protein and DNA) produces systems that possess numerous applications in catalysis,delivery,therapy,imaging,sensing,constructing nanostructures and controlling the structure of biomolecules.In this paper,the recent development of noble metal nanoparticle-biomolecule conjugates is reviewed from the following three aspects:(1) synthesis of noble metal nanoparticle-biomolecule systems by electrostatic adsorption,direct chemisorption of thiol derivatives,covalent binding through bifunctional linkers and specific affinity interactions;(2) the photonic properties and bioactivation of noble metal nanoparticle-biomolecule conjugates;and(3) the optical applications of such systems in biosensors,and medical imaging,diagnosis,and therapy.The conjugation of Au and Ag nanoparticles with biomolecules and the most recent optical applications of the resulting systems have been focused on.展开更多
The pressing demand for high-energy/power lithium-ion batteries requires the deployment of cathode materials with higher capacity and output voltage.Despite more than ten years of research,high-voltage cathode mate-ri...The pressing demand for high-energy/power lithium-ion batteries requires the deployment of cathode materials with higher capacity and output voltage.Despite more than ten years of research,high-voltage cathode mate-rials,such as high-voltage layered oxides,spinel LiNi0.5Mn1.5O4,and high-voltage polyanionic compounds still cannot be commercially viable due to the instabilities of standard electrolytes,cathode materials,and cathode electrolyte interphases under high-voltage operation.This paper summarizes the recent advances in addressing the surface and interface issues haunting the application of high-voltage cathode materials.The understanding of the limitations and advantages of different modification protocols will direct the future endeavours on advancing high-energy/power lithium-ion batteries.展开更多
基金This work was supported by the National Natural Science Foundation of China(Nos.21931012,21821005,92163209,52272097,52202354,22293043,52261160573,52072369,and 52301296)the Zhongke-Yuneng Joint R&D Center Program,China(No.ZKYN2022008).
文摘Hollow multishelled structure(HoMS),a promising and complex multifunctional structural system,features at least two shells that are separated by internal voids.The unique structure endows it with numerous advantages including low density,high loading capacity,large specific surface area,facilitated mass transport,and multiple spatial confinement effect.In the past twenty years,benefiting from the booming development of synthesis methods,various HoMS materials have been prepared and show promising applications in diverse areas.
基金supported by the China-MOST International Science & Technology Cooperation and Exchange Project (2008DFA51230)National Basic Research Program of China (2007CB936603)National Natural Science Foundation of China (11074207 and 60776007)
文摘Noble metal nanoparticles,such as gold or silver nanoparticles and nanorods,exhibit unique photonic,electronic and catalytic properties.Functionalization of noble metal nanoparticles with biomolecules(e.g.,protein and DNA) produces systems that possess numerous applications in catalysis,delivery,therapy,imaging,sensing,constructing nanostructures and controlling the structure of biomolecules.In this paper,the recent development of noble metal nanoparticle-biomolecule conjugates is reviewed from the following three aspects:(1) synthesis of noble metal nanoparticle-biomolecule systems by electrostatic adsorption,direct chemisorption of thiol derivatives,covalent binding through bifunctional linkers and specific affinity interactions;(2) the photonic properties and bioactivation of noble metal nanoparticle-biomolecule conjugates;and(3) the optical applications of such systems in biosensors,and medical imaging,diagnosis,and therapy.The conjugation of Au and Ag nanoparticles with biomolecules and the most recent optical applications of the resulting systems have been focused on.
文摘The pressing demand for high-energy/power lithium-ion batteries requires the deployment of cathode materials with higher capacity and output voltage.Despite more than ten years of research,high-voltage cathode mate-rials,such as high-voltage layered oxides,spinel LiNi0.5Mn1.5O4,and high-voltage polyanionic compounds still cannot be commercially viable due to the instabilities of standard electrolytes,cathode materials,and cathode electrolyte interphases under high-voltage operation.This paper summarizes the recent advances in addressing the surface and interface issues haunting the application of high-voltage cathode materials.The understanding of the limitations and advantages of different modification protocols will direct the future endeavours on advancing high-energy/power lithium-ion batteries.