Title :
Carrier transport in dye-sensitized ZnO and TiO2 nanoparticles: What can we learn from ultrafast terahertz spectra?
Author :
Kuzel, P. ; Nemec, H. ; Rochford, J. ; Taratula, O. ; Galoppini, E. ; Yartsev, A. ; Sundstrom, V.
Author_Institution :
Inst. of Phys., Prague, Czech Republic
Abstract :
We used time-resolved spectroscopies in terahertz and visible ranges complemented with Monte-Carlo simulations to assess the connection between ultrafast charge injection and formation and transport of mobile charge carriers in dye-sensitized nano-structured semiconductors.
Keywords :
II-VI semiconductors; Monte Carlo methods; carrier mobility; nanoparticles; photoconductivity; terahertz spectroscopy; time resolved spectroscopy; titanium compounds; zinc compounds; Monte Carlo simulations; TiO2; ZnO; dye sensitized nanoparticle; dye sensitized nanostructured semiconductor; mobile charge carrier transport; time resolved terahertz spectroscopy; ultrafast charge injection; ultrafast terahertz spectra; Charge carriers; Conductivity; Electron mobility; Frequency; Nanoparticles; Optical pumping; Optical scattering; Optical sensors; Ultrafast optics; Zinc oxide;
Conference_Titel :
Lasers and Electro-Optics (CLEO) and Quantum Electronics and Laser Science Conference (QELS), 2010 Conference on
Conference_Location :
San Jose, CA
Print_ISBN :
978-1-55752-890-2
Electronic_ISBN :
978-1-55752-890-2
