Tunable solid-state fluorescence emission and red upconversion luminescence of novel anthracene-based fluorophores
作者： Yi-Feng Sun , Zhi-Yong Chen , Li Zhu , Shu-Hong Xu , Ren-Tao Wu
DOI: 10.1111/COTE.12007
关键词:
摘要: Novel, tunable solid-state emitters based on anthracene groups were synthesised and characterised by spectroscopy elemental analysis. Their photoluminescence properties studied. These fluorophores display interesting emission with an at wavelengths ranging from 550 to 650 nm when excited a 325 nm helium–cadmium laser room temperature. In particular, among them, 1,6-di(9-anthryl)hexa-1,5-diene-3,4-dione, 2-[4-(2-benzoxazolyl)phenyl]-4,5-bis[2-(9-anthryl)vinyl]-1H-imidazole 2,3-bis[2-(9-anthryl)vinyl]quinoxaline show red, yellow green emission, respectively, 650, 584 550 nm. The results demonstrated that the luminescent colours can be tuned red simply varying molecular structure. Besides, 1,6-di(9-anthryl)hexa-1,5-diene-3,4-dione also exhibited upconverted fluorescent peak around 675 nm under femtosecond excitation 800 nm.
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