Spectroscopic properties of organic semiconductors

• R.Scholz, I.D.Vragovic, and M.Schreiber
  SPECTROSCOPIC PROPERTIES OF 3,4,9,10 - PERYLENE -
  - TETRACARBOXYLIC - DIANHYDRIDE (PTCDA) THIN FILMS
  contribution for monograph Electrons and Photons in Solids , a Volume in honour of Franco Bassani,
  in: Quaderni della Scuola Normale Superiore di Pisa (Pisa, Fall 2001), pp. 387-401
  
  
• R.Scholz, I.D.Vragovic, A.Yu.Kobitski, G.Salvan,
  T.U.Kampen, M.Schreiber, and D.R.T.Zahn
  SPECTROSCOPIC PROPERTIES OF A PROTOTYPIC ORGANIC
  SEMICONDUCTOR: THE CASE OF PTCDA
  in: Proc. of Int. School of Physics "E. Fermi", course CXLIX:
  Organic nanostructures: Science and applications
  IOS Press (Amsterdam 2002), ed. by V. M. Agranovich and G. C. La Rocca, p. 379-403.
  
  
• I.D.Vragovic, R.Scholz, and M.Schreiber
  MODEL CALCULATION OF THE OPTICAL PROPERTIES OF 3,4,9,10 - PERYLENE -
  - TETRACARBOXYLIC - DIANHYDRIDE (PTCDA) THIN FILMS
  Europhys. Lett., 57(2), pp. 288-294 (2002)
  PDF version
  
  
• R.Scholz, A.Yu.Kobitski, I.D.Vragovic, T.U.Kampen, D.R.T.Zahn and H.P.Wagner
  MICROSCOPIC MODELS FOR TIME-RESOLVED PHOTOLUMINESCENCE
  IN ALPHA-PTCDA SINGLE CRYSTALS
  26th International Conference on the Physics of Semiconductors
  Edinburgh July 29. - August 2. 2002
  
  
• A. Yu. Kobitiski, R. Scholz, I. Vragovic, H.P. Wagner, and D.R.T. Zahn,
  LOW TEMPERATURE TIME-RESOLVED PHOTOLUMINESCENCE CHARACTERISATION
  OF 3,4,9,10,-PERYLENE TETRACARBOXYLIC DIANHYDRIDE CRYSTALS
  Phys. Rev. B 66, 153204 (2002)
  
  
• M. Schreiber, R. Scholz., I. Vragovic, V. Shklover, and S. Tautz,
  DIELECTRIC RESPONSE OF THE ELECTRONIC TRANSITIONS IN ULTRATHIN PTCDA
  LAYERS GROWN ON Ag(111) AND Ag(110) SUBSTRATES
  Proc of Int. Conf. Excitonic Processes in Condensed Matter (2002) in Nonlin. Opt. 29, 239-45 (2002).
  
  
• R. Scholz, I. Vragovic, A. Yu. Kobitski, M. Schreiber, H. P. Wagner, and D. R. T. Zahn,
  FRENKEL EXCITON MODEL OF LOW TEMPERATURE PHOTOLUMINESCENCE
  IN ALPHA-PTCDA SINGLE CRYSTALS
  phys. stat. sol (b) 234, 402-410 (2002).
  
  
• I. Vragovic and R. Scholz,
  FRENKEL EXCITON MODEL OF OPTICAL ABSORPTION
  AND PHOTOLUMINESCENCE IN ALPHA-PTCDA
  Phys. Rev. B 68, 155202 (2003).
  PS version
  
  
• R. Scholz, A. Yu. Kobitski, I. Vragovic, H. P. Wagner, D. R. T. Zahn
  Time-resolved photoluminescence in alpha-PTCDA single crystals: Evidence for
  recombination via Frenkel excitons, Charge Transfer states, and excimers
  E-MRS , Symposium P, Organic Electronics,
  Strasbourg 10 - 13 June 2003.
  
  
• Doctor thesis:
  Frenkel Exciton Model of Excitation and Recombination Processes in Crystalline alpha-PTCDA, 22. 10. 2003, TU-Chemnitz, Germany
  
  
• R. Scholz, M. Schreiber, I. Vragovic, A. Yu. Kobitski, H. P. Wagner, and D. R. T. Zahn
  Influence of exciton transfer on the optical cycle of alpha-PTCDA
  J. Lumin. 108, 121 (2004).
  
  
• R. Scholz, A. Yu. Kobitski, I. Vragovic, H. P. Wagner, and D. R. T. Zahn
  Time-resolved photoluminescence in alpha-PTCDA single crystals: evidence for recombination via Frenkel excitons, charge transfer states, and excimers
  Org.Electron. 5, 99 (2004).
  
  
• I. Vragovic, M. Schreiber, R. Scholz
  Frenkel exciton model of electron energy loss spectroscopy in alpha-PTCDA
  J. Lumin. 110, 284 (2004).
  
  
• I. Vragovic, R. Scholz and J. P. Setrajcic
  Optical properties of PTCDA bulk crystals and ultrathin films
  Mat. Sci. Forum 518, 41 (2006).
  
  
• I. Vragovic, E. M. Calzado and M. A. Diaz Garcia
  The structure and energetics of TPD ground and excited states
  Chem. Phys. 332, 48 (2007).
  
  
• I. Vragovic, Eva M. Calzado, Maria A. Diaz García, C. Himcinschi, L. Gisslen and R. Scholz
  Modelling absorption and photoluminescence of TPD
  Journal of Luminescence, 128 (5), 845 (2008).
  
  

Complex and neural networks

• Efficiency of informational transfer in regular and complex networks
  I. Vragovic, E. Louis, and A. Diaz-Guilera
  Phys. Rev. E 71, 036122 (2005).
  
  
• Network community structure and loop coefficient method
  I. Vragovic and E. Louis
  Phys. Rev. E 74, 016105 (2006).
  
  
• Diversity induced synchronized oscillations in close-to-threshold
  excitable elements arranged on regular networks:
  Effects of network topology
  I. Vragovic, E. Louis, C. Degli Esposti Boschi and G. Ortega
  Physica D 219, 111 (2006).
  
  
• Performance of excitable small-worlds of
  Banhoeffer-van der Pol-FitzHugh-Nagumo oscillators
  I. Vragovic, E. Louis, and A. Diaz-Guilera
  Euro Phys. Lett. 76(5), 780 (2006).
  
  

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