Funct. Mater. 2021; 28 (2): 293-300.
Study on the properties of organic fluorescent materials based on triphenylamine derivatives
Zhengzhou University of Industrial Technology, Zhengzhou, 451150 Henan, China
Two triphenylamine derivatives, TTPAQ and TPA3E, were obtained. Their hydrogen nuclear magnetic resonance imaging was carried out, absorption spectra and fluorescence spectra were studied. The structures of the obtained compounds were confirmed by the data the nuclear magnetic spectroscopy. The absorption spectra showed that the maximum absorption wavelength of TTPAQ is 400 nm and that of TPA3E is 452 nm. The fluorescence spectrum showed that the TTPAQ fluorescence wavelength range is 390 ~ 650 nm, and the maximum fluorescence wavelength is 502 nm; the TPA3E fluorescence wavelength range was 449 to 701 nm, and the maximum fluorescence wavelength was 551 nm. The fluorescence quantum yields of TTPAQ and TPA3E, calculated on the basis of the reference solution, were 6.21 % and 15.28 %, respectively.
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