Sn3O4, a common two-dimensional semiconductor photocatalyst, can absorb visible light.However, owing to its rapid recombination of photogenerated electron-hole pairs, its absorption is not sufficient for practical app...Sn3O4, a common two-dimensional semiconductor photocatalyst, can absorb visible light.However, owing to its rapid recombination of photogenerated electron-hole pairs, its absorption is not sufficient for practical application.In this work, a Sn nanoparticle/Sn3O4-x nanosheet heterostructure was prepared by in situ reduction of Sn3O4 under a H2 atmosphere.The Schottky junctions formed between Sn and Sn3O4-x can enhance the photogenerated carrier separation ability.During the hydrogenation process, a portion of the oxygen in the semiconductor can be extracted by hydrogen to form water, resulting in an increase in oxygen vacancies in the semiconductor.The heterostructure showed the ability to remove Rhodamine B.Cell cytocompatibility experiments proved that Sn/Sn3O4-x can significantly enhance cell compatibility and reduce harm to organisms.This work provides a new method for the fabrication of a Schottky junction composite photocatalyst rich in oxygen vacancies with enhanced photocatalytic performance.展开更多
The role of microbiota in health and diseases is being highlighted by numerous studies since its discovery.Depending on the localized regions,microbiota can be classified into gut,oral,respiratory,and skin microbiota....The role of microbiota in health and diseases is being highlighted by numerous studies since its discovery.Depending on the localized regions,microbiota can be classified into gut,oral,respiratory,and skin microbiota.The microbial communities are in symbiosis with the host,contributing to homeostasis and regulating immune function.However,microbiota dysbiosis can lead to dysregulation of bodily functions and diseases including cardiovascular diseases(CVDs),cancers,respiratory diseases.展开更多
基金financially supported by the National Natural Science Foundation of China (Nos.51802115 and 51732007)the Natural Science Foundation of Shandong Province, China (No.ZR2019YQ21)。
文摘Sn3O4, a common two-dimensional semiconductor photocatalyst, can absorb visible light.However, owing to its rapid recombination of photogenerated electron-hole pairs, its absorption is not sufficient for practical application.In this work, a Sn nanoparticle/Sn3O4-x nanosheet heterostructure was prepared by in situ reduction of Sn3O4 under a H2 atmosphere.The Schottky junctions formed between Sn and Sn3O4-x can enhance the photogenerated carrier separation ability.During the hydrogenation process, a portion of the oxygen in the semiconductor can be extracted by hydrogen to form water, resulting in an increase in oxygen vacancies in the semiconductor.The heterostructure showed the ability to remove Rhodamine B.Cell cytocompatibility experiments proved that Sn/Sn3O4-x can significantly enhance cell compatibility and reduce harm to organisms.This work provides a new method for the fabrication of a Schottky junction composite photocatalyst rich in oxygen vacancies with enhanced photocatalytic performance.
文摘The role of microbiota in health and diseases is being highlighted by numerous studies since its discovery.Depending on the localized regions,microbiota can be classified into gut,oral,respiratory,and skin microbiota.The microbial communities are in symbiosis with the host,contributing to homeostasis and regulating immune function.However,microbiota dysbiosis can lead to dysregulation of bodily functions and diseases including cardiovascular diseases(CVDs),cancers,respiratory diseases.
