Two series of solid complexes of rare earth nitrates and picrates with the "back-to-back" terpyridine, 6′,6″-bis(2-pyridyl)-2,2′:4′,4″:2″,2′″-quaterpyridine (L) have been synthesized. These complexes...Two series of solid complexes of rare earth nitrates and picrates with the "back-to-back" terpyridine, 6′,6″-bis(2-pyridyl)-2,2′:4′,4″:2″,2′″-quaterpyridine (L) have been synthesized. These complexes have been characterized by elemental analysis, conductivity measurements, thermal analysis and IR spectroscopy. At the same time, the luminescent properties of the Eu(Ⅲ) and Tb(Ⅲ) complexes were also studied.展开更多
The rare earth nitrate complexes with 2,2′:4′,4″:2″,2 quaterpyridine (L) were prepared in ethylacetate. These new complexes with the general formula [RE(NO 3) 3L]·H 2O (RE = La, Pr, Eu, Tb, Er, Y) were ch...The rare earth nitrate complexes with 2,2′:4′,4″:2″,2 quaterpyridine (L) were prepared in ethylacetate. These new complexes with the general formula [RE(NO 3) 3L]·H 2O (RE = La, Pr, Eu, Tb, Er, Y) were characterized by elemental analysis, IR spectra, thermal analysis and molar conductance measurements. The luminescence properties of these complexes were also studied.展开更多
By converting incident light into electric power,self-powered electrochromic window(SP-ECW)can achieve color change in electrochromic layer with no need for external voltage.In this work,a newly-de signed SP-ECW is pr...By converting incident light into electric power,self-powered electrochromic window(SP-ECW)can achieve color change in electrochromic layer with no need for external voltage.In this work,a newly-de signed SP-ECW is proposed for altering its color between deep blue and colorless state according to on/off state of incident light.The device consists of a working electrode with planar integration of photovoltaic(PV)and electrochromic(EC)elements on one electrode,a platinum counter electrode and a redox electrolyte comprising Br^-/Br_3^-couple.A high transmittance modulation of 41%at 582 nm is obtained.Electrical energy converted from light is not only sufficient to drive the device,but also can be outputted to the external circuit.展开更多
文摘Two series of solid complexes of rare earth nitrates and picrates with the "back-to-back" terpyridine, 6′,6″-bis(2-pyridyl)-2,2′:4′,4″:2″,2′″-quaterpyridine (L) have been synthesized. These complexes have been characterized by elemental analysis, conductivity measurements, thermal analysis and IR spectroscopy. At the same time, the luminescent properties of the Eu(Ⅲ) and Tb(Ⅲ) complexes were also studied.
文摘The rare earth nitrate complexes with 2,2′:4′,4″:2″,2 quaterpyridine (L) were prepared in ethylacetate. These new complexes with the general formula [RE(NO 3) 3L]·H 2O (RE = La, Pr, Eu, Tb, Er, Y) were characterized by elemental analysis, IR spectra, thermal analysis and molar conductance measurements. The luminescence properties of these complexes were also studied.
基金the National Natural Science Foundation of China(21274138,21273207,21474096)the Chinese Academy of Sciences(Integrated system of high efficiency building energy saving and its application,KFZD-SW-403)
文摘By converting incident light into electric power,self-powered electrochromic window(SP-ECW)can achieve color change in electrochromic layer with no need for external voltage.In this work,a newly-de signed SP-ECW is proposed for altering its color between deep blue and colorless state according to on/off state of incident light.The device consists of a working electrode with planar integration of photovoltaic(PV)and electrochromic(EC)elements on one electrode,a platinum counter electrode and a redox electrolyte comprising Br^-/Br_3^-couple.A high transmittance modulation of 41%at 582 nm is obtained.Electrical energy converted from light is not only sufficient to drive the device,but also can be outputted to the external circuit.