Highly luminescent and color-tunable stable colloidal suspensions of molecular alloys are reported.They are produced via a green synthetic route in ethanol medium.The mean hydrodynamic diameter of the colloids is abou...Highly luminescent and color-tunable stable colloidal suspensions of molecular alloys are reported.They are produced via a green synthetic route in ethanol medium.The mean hydrodynamic diameter of the colloids is about 140 nm and the colloidal suspensions are stable for more than a month.The optical properties of the molecular alloy suspensions and their bulk counterparts are extremely similar.To the best of our knowledge,this series of suspensions constitutes the first example of hetero-lanthanide coordination polymer molecular alloy (LnCPMA)-based colloidal suspensions with sizeable luminescence intensity and a wide range of accessible colors.This high color tunability paves the road toward tagging of technical liquids.We also demonstrate that they can be used in ink-jet printers for luminescent anti-counterfeiting tagging.展开更多
文摘Highly luminescent and color-tunable stable colloidal suspensions of molecular alloys are reported.They are produced via a green synthetic route in ethanol medium.The mean hydrodynamic diameter of the colloids is about 140 nm and the colloidal suspensions are stable for more than a month.The optical properties of the molecular alloy suspensions and their bulk counterparts are extremely similar.To the best of our knowledge,this series of suspensions constitutes the first example of hetero-lanthanide coordination polymer molecular alloy (LnCPMA)-based colloidal suspensions with sizeable luminescence intensity and a wide range of accessible colors.This high color tunability paves the road toward tagging of technical liquids.We also demonstrate that they can be used in ink-jet printers for luminescent anti-counterfeiting tagging.