摘要
We report a new optical behaviour of pure Co-Al-layered double hydroxide （LDH）. It was found that the Co-Al-LDH sample could emit fluorescence without any fluorescent substances intercalated. Its excitation spectrum shows a maximum peak near the wavelength 370 nm, the maximum emission peak appears at 430 um and the photoluminescence colour of the Co-Al-LDH sample is blue. This new optical property will be expected to extend the potential applications of LDHs in optical materials field.
We report a new optical behaviour of pure Co-Al-layered double hydroxide （LDH）. It was found that the Co-Al-LDH sample could emit fluorescence without any fluorescent substances intercalated. Its excitation spectrum shows a maximum peak near the wavelength 370 nm, the maximum emission peak appears at 430 um and the photoluminescence colour of the Co-Al-LDH sample is blue. This new optical property will be expected to extend the potential applications of LDHs in optical materials field.
基金
supported by the National Natural Science Foundation of China(No.20573065)
the Natural Science Foundation of Shandong Province of China(Nos.Z2005B02 and Z2006B06).
