Title :
Ultrafast reflectivity dynamics in bis (n-butylimido) perylene thin films
Author :
Mendonca, C.R. ; Kandyla, M. ; Shih, T. ; Aroca, R.F. ; Constantino, C.J.L. ; Mazur, Eric
Author_Institution :
Dept. of Phys., Harvard Univ., Cambridge, MA
Abstract :
Using pump-probe reflectometry, we study the ultrafast excited-state dynamics in thin films of BuPTCD, an organic semiconductor, deposited on gold nanoparticles. We observe depletion of the ground state and excited state absorption after photo-excitation.
Keywords :
gold; high-speed optical techniques; nanoparticles; organic semiconductors; thin films; bis (n-butylimido) perylene; excited state absorption; excited-state dynamics; gold nanoparticles; organic semiconductor; photo-excitation; pump-probe reflectometry; thin films; ultrafast reflectivity dynamics; Absorption; Gold; Nanoparticles; Organic semiconductors; Reflectivity; Reflectometry; Semiconductor thin films; Sputtering; Stationary state; Transistors; (160.4890) Organic materials; (310.6860) Thin films, optical properties; (320.2250) Femtosecond phenomena; (320.7150) Ultrafast spectroscopy;
Conference_Titel :
Lasers and Electro-Optics, 2008 and 2008 Conference on Quantum Electronics and Laser Science. CLEO/QELS 2008. Conference on
Conference_Location :
San Jose, CA
Print_ISBN :
978-1-55752-859-9
