• English
    • Ελληνικά
  • English 
    • English
    • Ελληνικά
  • Login
Browsing by Subject 
  •   Home
  • Browsing by Subject
  •   Home
  • Browsing by Subject
JavaScript is disabled for your browser. Some features of this site may not work without it.

Browsing by Subject "Absorption"

  • 0-9
  • Α
  • Β
  • Γ
  • Δ
  • Ε
  • Ζ
  • Η
  • Θ
  • Ι
  • Κ
  • Λ
  • Μ
  • Ν
  • Ξ
  • Ο
  • Π
  • Ρ
  • Σ
  • Τ
  • Υ
  • Φ
  • Χ
  • Ψ
  • Ω
  • A
  • B
  • C
  • D
  • E
  • F
  • G
  • H
  • I
  • J
  • K
  • L
  • M
  • N
  • O
  • P
  • Q
  • R
  • S
  • T
  • U
  • V
  • W
  • X
  • Y
  • Z

Sort by:

Order:

Results:

Now showing items 1-20 of 33

  • title
  • submit date
  • accessioned date
  • ascending
  • descending
  • 5
  • 10
  • 20
  • 40
  • 60
  • 80
  • 100
    • Article  

      Absorption-enhanced reforming of phenol by steam over supported Fe catalysts 

      Polychronopoulou, Kyriaki; Bakandritsos, Aristides; Tzitzios, Vasileios; Fierro, José Luis García; Efstathiou, Angelos M. (2006)
      Supported Fe catalysts of varying support chemical composition prepared by sol-gel and incipient wetness impregnation methods were studied for the steam reforming of phenol (one of the main constituents of tar produced ...

    • Article  

      Analysis of the excited-state absorption spectral bandshape of oligofluorenes 

      Hayes, Sophia C.; Silva, C. (2010)
      We present ultrafast transient absorption spectra of two oligofluorene derivatives in dilute solution. These spectra display a photoinduced absorption band with clear vibronic structure, which we analyze rigorously using ...

    • Article  

      Carrier dynamics in InS nanowires grown via chemical vapor deposition 

      Othonos, A.; Zervos, Matthew (2010)
      Transient femtosecond absorption spectroscopy and timecorrelating single photon counting (TCSPC) photoluminescence (PL) were employed to study InS nanowires (NWs) grown by chemical vapor deposition (CVD) and determine the ...

    • Article  

      Carrier dynamics in InS nanowires grown via chemical vapor deposition 

      Othonos, Andreas S.; Zervos, Matthew (2010)
      Transient femtosecond absorption spectroscopy and timecorrelating single photon counting (TCSPC) photoluminescence (PL) were employed to study InS nanowires (NWs) grown by chemical vapor deposition (CVD) and determine the ...

    • 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  

      Carrier relaxation dynamics in SnxNy nanowires grown by chemical vapor deposition 

      Othonos, A.; Zervos, Matthew (2009)
      Carrier relaxation dynamics in tin nitride (SnxNy) nanowires have been investigated using femtosecond transient absorption spectroscopy. The nanowires were grown directly on quartz using chemical vapor deposition and had ...

    • Article  

      Carrier relaxation dynamics in SnxNy nanowires grown by chemical vapor deposition 

      Othonos, Andreas S.; Zervos, Matthew (2009)
      Carrier relaxation dynamics in tin nitride (SnxNy) nanowires have been investigated using femtosecond transient absorption spectroscopy. The nanowires were grown directly on quartz using chemical vapor deposition and had ...

    • Article  

      Ceria-based materials for hydrogen production via hydrocarbon steam reforming and water-gas shift reactions 

      Polychronopoulou, Kyriaki; Kalamaras, Christos M.; Efstathiou, Angelos M. (2011)
      This review paper provides an overview of the use of ceria-based catalytic materials towards the industrial hydrogen production via the hydrocarbon steam reforming and the water-gas shift reaction routes with a focus on ...

    • Article  

      Defect states of chemical vapor deposition grown GaN nanowires: Effects and mechanisms in the relaxation of carriers 

      Tsokkou, Demetra; Othonos, Andreas S.; Zervos, Matthew (2009)
      Carrier relaxation in GaN nanowires, grown by atmospheric pressure chemical vapor deposition, via direct nitridation of Ga with NH3 at 950 °C has been investigated in detail. Differential absorption measurements reveal a ...

    • Article  

      Defect states of chemical vapor deposition grown GaN nanowires: Effects and mechanisms in the relaxation of carriers 

      Tsokkou, D.; Othonos, A.; Zervos, Matthew (2009)
      Carrier relaxation in GaN nanowires, grown by atmospheric pressure chemical vapor deposition, via direct nitridation of Ga with NH3 at 950 °C has been investigated in detail. Differential absorption measurements reveal a ...

    • Article  

      Direct observation of excitons in polymer/carbon nanotube composites at room temperature: The influence of nanotube concentration 

      Lioudakis, Emmanouil E.; Kanari, C.; Othonos, Andreas S.; Alexandrou, Ioannis (2008)
      In this work, we have employed spectroscopic ellipsometry technique to study the optical properties of polymer/carbon nanotube (CN) composites as a function of nanotube concentration. Using a two-layer structural model ...

    • Article  

      Femtosecond carrier dynamics in In 2O 3 nanocrystals 

      Othonos, A.; Zervos, Matthew; Tsokkou, D. (2009)
      We have studied carrier dynamics in In 2O 3 nanocrystals grown on a quartz substrate using chemical vapor deposition. Transient differential absorption measurements have been employed to investigate the relaxation dynamics ...

    • Article  

      Femtosecond carrier dynamics in In 2O 3 nanocrystals 

      Othonos, Andreas S.; Zervos, Matthew; Tsokkou, Demetra (2009)
      We have studied carrier dynamics in In 2O 3 nanocrystals grown on a quartz substrate using chemical vapor deposition. Transient differential absorption measurements have been employed to investigate the relaxation dynamics ...

    • Article  

      Femtosecond dynamics in single wall carbon nanotube/poly(3-hexylthiophene) composites 

      Lioudakis, Emmanouil E.; Othonos, Andreas S.; Alexandrou, Ioannis (2008)
      Femtosecond transient absorption measurements on single wall carbon nanotube/poly(3-hexylthiophene) composites are used to investigate the relaxation dynamics of this blended material. The influence of the addition of ...

    • Article  

      Hybrid inorganic/organic semiconductor heterostructures with efficient non-radiative energy transfer 

      Heliotis, G.; Itskos, Grigorios; Murray, R.; Dawson, M. D.; Watson, I. M.; Bradley, D. D. C. (2006)
      A hybrid inorganic/organic semiconductor structure employing a polyfluorene thin films with Efficient non-radiative Förster resonant energy transfer (FRET) was fabricated. FRET is mediated by dipole-dipole interactions, ...

    • Article  

      An inverse method to assign receptances by using classical vibration absorbers 

      Zhu, J.; Mottershead, J. E.; Kyprianou, Andreas (2009)
      The classical mass-spring absorber can be thought of as a very simple structural modification. In this paper the inverse problem of assigning receptances to a dynamic system by using one or more simple mass-spring absorbers ...

    • Article  

      Linear dynamic polarizability and the absorption spectrum of an exciton in a quantum ring in a magnetic field 

      Ghazaryan, A. V.; Djotyan, Anahit P.; Moulopoulos, Konstantinos; Kirakosyan, Albert A. (2011)
      The problem of an electron-hole system interacting through a contact potential and moving in a one-dimensional quantum ring threaded by an Aharonov-Bohm flux is considered, with respect to the system's energetics as well ...

    • Article  

      Minority-spin band parameters in a NiMnSb thin film determined by spectral conductivity 

      Grigorescu, C. E. A.; Trodahl, H. J.; Strickland, N. M.; Bittar, A.; Manea, S. A.; Giapintzakis, John; Monnereau, O.; Notonier, R.; Kennedy, V. J. (2004)
      NiMnSb is expected to be a ferromagnetic half metal, an expectation that is based in part on band structure calculations. Here we report optical conductivity studies of the band structure for a film prepared by pulsed laser ...

    • Article  

      Monitoring charge exchange in P3HT-nanotube composites using optical and electrical characterisation 

      Alexandrou, Ioannis; Lioudakis, Emmanouil E.; Delaportas, Dimitrios; Zhao, C. Z.; Othonos, Andreas S. (2009)
      Charge exchange at the bulk heterojunctions of composites made by mixing single wall nanotubes (SWNTs) and polymers show potential for use in optoelectronic devices such as solar cells and optical sensors. The density/total ...

    • Article  

      Observation of the equilibrium CuB-CO complex and functional implications of the transient heme a3 propionates in cytochrome ba3-CO from Thermus thermophilus. Fourier transform infrared (FTIR) and time-resolved step-scan FTIR studies 

      Koutsoupakis, Constantinos; Stavrakis, Stavros; Pinakoulaki, Eftychia; Soulimane, T.; Varotsis, Constantinos (2002)
      We report the first evidence for the existence of the equilibrium CuB 1+-CO species of CO-bound reduced cytochrome ba3 from Thermus thermophilus at room temperature. The frequency of the C-O stretching mode of CuB 1+-CO ...

      Browse

      EverywhereCommunities & CollectionsBy Submission DateAuthorsTitlesSubjectsBy TypeBy DepartmentBy Faculty

      My Account

      Login
      Πνευματικά δικαιώματα ©  Βιβλιοθήκη Πανεπιστημίου Κύπρου
      Contact Us | Send Feedback
      Οδηγίες κατάθεσης διδακτορικής διατριβής
      Open Access
      ORCiD