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

fYear

2010

fDate

16-21 May 2010

Firstpage

1

Lastpage

2

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;

fLanguage

English

Publisher

ieee

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

Type

conf

Filename

5500116