Deposition of two-dimensional(2D) MoS2 materials on the tapered fiber allows various photonic applications including saturable absorbers and four-wave mixing.Ethanol catalytic deposition(ECD) of MoS2 on the optica...Deposition of two-dimensional(2D) MoS2 materials on the tapered fiber allows various photonic applications including saturable absorbers and four-wave mixing.Ethanol catalytic deposition(ECD) of MoS2 on the optical tapered fiber was proposed and demonstrated in this work.Different from the conventional optical driven deposition using water or organic solvent,the ECD method utilized the high volatility of the ethanol solvent,which significantly increased the movement speed of the MoS2 nanosheets and thus boosted the deposition rate and reduced the minimum power threshold to drive the deposition.We believe the ECD method should be able to be applied to other similar 2D materials such as other types of transition metal chalcogenides.展开更多
基金partially supported by the Shanghai Yangfan Program (No.14YF1401600)the State Key Lab Project of Shanghai Jiao Tong University (No.GKZD030033)+3 种基金the NSFC (Nos.61178007 and 51302285)the External Cooperation Program of BIC,CAS (No.181231KYSB20130007)the National 10000-Talent Programthe CAS 100-Talent Program for financial support
文摘Deposition of two-dimensional(2D) MoS2 materials on the tapered fiber allows various photonic applications including saturable absorbers and four-wave mixing.Ethanol catalytic deposition(ECD) of MoS2 on the optical tapered fiber was proposed and demonstrated in this work.Different from the conventional optical driven deposition using water or organic solvent,the ECD method utilized the high volatility of the ethanol solvent,which significantly increased the movement speed of the MoS2 nanosheets and thus boosted the deposition rate and reduced the minimum power threshold to drive the deposition.We believe the ECD method should be able to be applied to other similar 2D materials such as other types of transition metal chalcogenides.