Producción Científica Profesorado

Synthesis, chemical, theoretical studies, electrochemical, electrical and optical characterization of novel oligomer 2,2?-((1E,1?E)(2,5-bis(octyloxy)-1,4-phenylenevinylene)bis(6-(E)-2-(vinylquinolin))quinoline for OLED applications



Alvarez Hernandez, Alejandro

2019

Alma Victoria Sánchez-Mendoza, Victor Gerardo Ibarra-García, Josué Rubén Velázquez-Hernández, Oscar Javier Hernández-Ortíz, Julio Carrillo, Liliana Palacios-Huerta, Ismael Cosme, Alejandro Alvarez-Hernandez, Karina Alemán-Ayala, Rosa Angeles Vázquez-García. Synthesis, chemical, theoretical studies, electrochemical, electrical and optical characterization of novel oligomer 2,2?-((1E,1?E)(2,5-bis(octyloxy)-1,4-phenylenevinylene)bis(6-(E)-2-(vinylquinolin))quinoline for OLED applications. J Mater Sci: Mater Electron 30, 19718?19730 (2019). https://doi.org/10.1007/s10854-019-02322-9


Abstract


A fluorescent pentamer 5QnQnPV with one phenyl central donor group surrounded by four quinoline acceptor groups set in a quadrupolar A-?-A-?-D-?-A-?-A electronic structure was synthesized. This compound is an organic semiconductor and shows a wide band fluorescence emission that spans from the blue to the red region with a maximum peak centered at 509 nm. In addition, its HOMO (??5.4 eV)/LUMO (??3.5 eV) energy values, determined by cyclic voltammetry, optical gap EgOpt of 2.18 and theoretical DT-DFT studies indicated a potential for OLED fabrication. When such device was made with a ITO/PEDOT:PSS/5QnQnPV/Al configuration it displayed a maximum electroluminescent response at 860 nm. The structural and physical characterization of this compound was performed using 1H and 13C Nuclear Magnetic Resonance, Fourier Transformed Infrared Spectroscopy, Mass Spectroscopy and Atomic Force Microscopy.



Producto de Investigación




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