SnS,a well-known van der Waals chalcogenide,is susceptible to oxidation in high-temperature or highhumidity environments,significantly impacting its functional performance and device stability.Conversely,oxidation can...SnS,a well-known van der Waals chalcogenide,is susceptible to oxidation in high-temperature or highhumidity environments,significantly impacting its functional performance and device stability.Conversely,oxidation can be used as an effective strategy for surface engineering,allowing for structure modulation or design,property tuning and application exploration.However,there is currently a gap in understanding the relationship between the oxidation behavior of SnS,the structure of its oxidized surface,and the dependence on oxidation temperature.In this study,we systematically investigated the evolution of SnS surfaces under thermal oxidation using electron microscopy.The microstructure evolution(e.g.,surface structures,phases,defects,and interface)of SnS during high-temperature oxidation has been fully characterized and studied based on cross-sectional samples.Various surface heterostructures were constructed,including SnO_(2)/SnS,SnO_(2)/SnS_(2)/SnS,and SnO_(2)/Sn_(2)S_(3)/SnS,offering significant potential for the surface functionalization of SnS-based systems.Accordingly,oxidation mechanisms at different stages were elucidated based on the detailed and clear picture of microstructures.This research not only deepens our understanding of the fundamental science of SnS oxidation but also provides valuable insights for preventing and developing surface oxidation engineering in SnS and other van der Waals chalcogenides/materials.展开更多
氧化锡锑(Antimony Tin Oxide,ATO)是一种拥有无可比拟的优势性质的材料。纳米级ATO更是在物理和化学性质上有着独特的性质。人们日益关注ATO这种材料并开发了许多的合成方法来合成纳米级ATO。通过介绍ATO的常用制备方法、常用表征方法...氧化锡锑(Antimony Tin Oxide,ATO)是一种拥有无可比拟的优势性质的材料。纳米级ATO更是在物理和化学性质上有着独特的性质。人们日益关注ATO这种材料并开发了许多的合成方法来合成纳米级ATO。通过介绍ATO的常用制备方法、常用表征方法以及现在的应用现状,对ATO未来的发展进行探讨和展望。展开更多
基金financially supported by the National Natural Science Foundation of China(Nos.11904039,52125103,52071041,U21A2054 and 12104071)。
文摘SnS,a well-known van der Waals chalcogenide,is susceptible to oxidation in high-temperature or highhumidity environments,significantly impacting its functional performance and device stability.Conversely,oxidation can be used as an effective strategy for surface engineering,allowing for structure modulation or design,property tuning and application exploration.However,there is currently a gap in understanding the relationship between the oxidation behavior of SnS,the structure of its oxidized surface,and the dependence on oxidation temperature.In this study,we systematically investigated the evolution of SnS surfaces under thermal oxidation using electron microscopy.The microstructure evolution(e.g.,surface structures,phases,defects,and interface)of SnS during high-temperature oxidation has been fully characterized and studied based on cross-sectional samples.Various surface heterostructures were constructed,including SnO_(2)/SnS,SnO_(2)/SnS_(2)/SnS,and SnO_(2)/Sn_(2)S_(3)/SnS,offering significant potential for the surface functionalization of SnS-based systems.Accordingly,oxidation mechanisms at different stages were elucidated based on the detailed and clear picture of microstructures.This research not only deepens our understanding of the fundamental science of SnS oxidation but also provides valuable insights for preventing and developing surface oxidation engineering in SnS and other van der Waals chalcogenides/materials.
文摘氧化锡锑(Antimony Tin Oxide,ATO)是一种拥有无可比拟的优势性质的材料。纳米级ATO更是在物理和化学性质上有着独特的性质。人们日益关注ATO这种材料并开发了许多的合成方法来合成纳米级ATO。通过介绍ATO的常用制备方法、常用表征方法以及现在的应用现状,对ATO未来的发展进行探讨和展望。
