Browsing by Subject "Non-radiative relaxation"

Article

Carrier dynamics in Β-Ga2O3 nanowires

Othonos, A.; Zervos, Matthew; Christofides, C. (2010)

Carrier dynamics have been investigated in Β-Ga2O 3 nanowires (NWs) grown by the vapor-liquid-solid mechanism, using ultrashort transient absorption spectroscopy in conjunction with time-correlating single photon counting ...

Article

Excitation dynamics of a low bandgap silicon-bridged dithiophene copolymer and its composites with fullerenes

Othonos, Andreas S.; Itskos, Grigorios; Neophytou, Marios; Choulis, Stelios A. (2012)

We report on excitation dynamics in pristine and bulk heterojunction films of the low bandgap silicon-bridged dithiophene copolymer poly[(4,4′-bis(2- ethylhexyl)dithieno[3,2-b:2′, 3′-d]silole)-2,6-diyl-alt-(4,7-bis(2- ...

Article

Influence of surface-related states on the carrier dynamics in (Ga,In)N/GaN single quantum wells

Othonos, Andreas S.; Itskos, Grigorios; Bradley, D. D. C.; Dawson, M. D.; Watson, I. M. (2009)

We report on the influence of surface-related states on the relaxation of carriers within single (Ga,In)N/GaN quantum wells. Two identical samples that differ only in the thickness of the top GaN cap layer were studied. ...

Article

Ultrafast time-resolved spectroscopy of In2 O3 nanowires

Tsokkou, Demetra; Othonos, Andreas S.; Zervos, Matthew (2009)

Ultrafast carrier dynamics in In2 O3 nanowires with an average diameter of ≈100±20 nm grown by the vapor-liquid-solid method have been investigated in detail using differential absorption spectroscopy with femtosecond ...

Article

Ultrafast time-resolved spectroscopy of In2 O3 nanowires

Tsokkou, D.; Othonos, A.; Zervos, Matthew (2009)

Ultrafast carrier dynamics in In2 O3 nanowires with an average diameter of ≈100±20 nm grown by the vapor-liquid-solid method have been investigated in detail using differential absorption spectroscopy with femtosecond ...