Author:
Tai Yu-Chan,Tzeng Wen-Yen,Lin Jhen-Dong,Kuo Yi-Hou,Chen Fu-Xiang Rikudo,Tu Ruei-Jhe,Huang Ming-Yang,Pai Shyh-Shii,Chang Nick Weihan,Tseng Sheng-Yang,Chen Chi,Lin Chun-Liang,Yabushita Atsushi,Cheng Shun-Jen,Luo Chih-Wei
Abstract
We employ ultrafast optical pump-probe spectroscopy to reveal the energy transfer (ET) mechanism between organic Alq3 molecules and Si. Inserting ultrathin SiO2layers between Alq3 and Si exposes SiO2-thickness-dependent relaxation dynamics of photoexcited carriers and discloses ET from Alq3 to Si, comparable with a dipole-dipole interaction model.