ZnS@MoS_(2) core-shell nanospheres were first prepared via a nanotemplate-assisted hydrothermal method.After the removal of ZnS with dilute hydrochloric acid,hollow MoS_(2) nanospheres(HNS)were successfully obtained.T...ZnS@MoS_(2) core-shell nanospheres were first prepared via a nanotemplate-assisted hydrothermal method.After the removal of ZnS with dilute hydrochloric acid,hollow MoS_(2) nanospheres(HNS)were successfully obtained.The as-synthesized HNS display a unique hollow structure assembled by ultrathin nanosheets with rich defects.Furthermore,the HNS exhibit an enhanced performance in the electrochemical energy storage devices,for example,in a Li-ion battery,they exhibit a discharge capacity of 750 mA h g^(−1) at a current density of 100 mA g^(−1) even after 50 cycles,and in a supercapacitor,they exhibit a specific capacitance of 142.0 F g^(−1) at a current density of 1 A g^(−1).These values are much higher than those obtained for their solid counterparts.The present study provides an easily available method for the design and fabrication of other hollow nanomaterials with high energy storage performances.展开更多
Multifunctional materials enable the integration of multiple physical signals in a single device for seamless integration,offering new opportunities in areas such as modern smart devices.For the needs of flexible devi...Multifunctional materials enable the integration of multiple physical signals in a single device for seamless integration,offering new opportunities in areas such as modern smart devices.For the needs of flexible devices,molecular functional materials are highly preferred due to their structural tunability,environmental friendliness and easy film formation.However,designing such multifunctional materials suitable for thin film devices has always been a huge challenge,especially semiconducting switchable dielectrics.Considering the unique structural properties and mechanical flexibility of plastic crystals,we have successfully designed an excellent multifunctional material,(N,N-dimethylpiperidinium)3Bi2Cl9,which shows outstanding dielectric switching and semiconducting behavior comparable to ZnO.展开更多
基金the financial support received from the National Natural Science Foundation of China(21471160 and 51402362)Huangdao Key Science and technology Program(Contract no.2014-1-50)+2 种基金Shandong Natural Science Foundation(ZR2014EMQ012)Qingdao Science and Technology Program for Youth(14-2-4-34-jch)the Fundamental Research Funds for the Central Universities.
文摘ZnS@MoS_(2) core-shell nanospheres were first prepared via a nanotemplate-assisted hydrothermal method.After the removal of ZnS with dilute hydrochloric acid,hollow MoS_(2) nanospheres(HNS)were successfully obtained.The as-synthesized HNS display a unique hollow structure assembled by ultrathin nanosheets with rich defects.Furthermore,the HNS exhibit an enhanced performance in the electrochemical energy storage devices,for example,in a Li-ion battery,they exhibit a discharge capacity of 750 mA h g^(−1) at a current density of 100 mA g^(−1) even after 50 cycles,and in a supercapacitor,they exhibit a specific capacitance of 142.0 F g^(−1) at a current density of 1 A g^(−1).These values are much higher than those obtained for their solid counterparts.The present study provides an easily available method for the design and fabrication of other hollow nanomaterials with high energy storage performances.
基金the National Natural Science Foundation of China(Grant 21991141,21771037,and 21805033)Natural Science Foundation of Zhejiang Province(LZ20B010001)Zhejiang Normal University。
文摘Multifunctional materials enable the integration of multiple physical signals in a single device for seamless integration,offering new opportunities in areas such as modern smart devices.For the needs of flexible devices,molecular functional materials are highly preferred due to their structural tunability,environmental friendliness and easy film formation.However,designing such multifunctional materials suitable for thin film devices has always been a huge challenge,especially semiconducting switchable dielectrics.Considering the unique structural properties and mechanical flexibility of plastic crystals,we have successfully designed an excellent multifunctional material,(N,N-dimethylpiperidinium)3Bi2Cl9,which shows outstanding dielectric switching and semiconducting behavior comparable to ZnO.
