The optical limiting performances of few-layer transitional metal dichalcogenides (TMDs) nanosheets in the VB group(VS_(2),VSe_(2),NbS_(2),NbSe_(2),TaS_(2),and TaSe_(2)) were systematically investigated for the first ...The optical limiting performances of few-layer transitional metal dichalcogenides (TMDs) nanosheets in the VB group(VS_(2),VSe_(2),NbS_(2),NbSe_(2),TaS_(2),and TaSe_(2)) were systematically investigated for the first time,to the best of our knowledge.It was found that these TMDs nanosheets showed a normalized transmittance in the range of 20%–40%at the input energy of 1.28 GW/cm^(2).Ultralow initial threshold F_(S)(0.05–0.10 J/cm^(2)) and optical limiting threshold F_(OL)(0.82–2.23 J/cm^(2)) were achieved in the TMDs nanosheets,which surpassed most of the optical limiting materials.This work showed the potential of TMDs beyond MoS_(2)in optical limiting field.展开更多
基金This work was supported by the National Natural Science Foundation of China(No.52002069)Natural Science Foundation of Fujian Province(No.2020J05192)+1 种基金Opening Project of State Key Laboratory of Polymer Materials Engineering(Sichuan University)(No.sklpme2020-4-08)State Key Laboratory of Materials Processing and Die&Mould Technology,Huazhong University of Science and Technology(No.P2021-024)。
文摘The optical limiting performances of few-layer transitional metal dichalcogenides (TMDs) nanosheets in the VB group(VS_(2),VSe_(2),NbS_(2),NbSe_(2),TaS_(2),and TaSe_(2)) were systematically investigated for the first time,to the best of our knowledge.It was found that these TMDs nanosheets showed a normalized transmittance in the range of 20%–40%at the input energy of 1.28 GW/cm^(2).Ultralow initial threshold F_(S)(0.05–0.10 J/cm^(2)) and optical limiting threshold F_(OL)(0.82–2.23 J/cm^(2)) were achieved in the TMDs nanosheets,which surpassed most of the optical limiting materials.This work showed the potential of TMDs beyond MoS_(2)in optical limiting field.
