Low-level optical absorption phenomena in organic thin films for solar cell applications investigated by high sensitive photocurrent and photothermal techniques

Proceedings of SPIE - The International Society for Optical Engineering

Volumn 5464, Issue , 2004, Pages 372-381

  Goris, L ^a   Haenen, K ^a   Nesladek M ^a,b   Poruba, A ^c   Vanecek M ^c   Wagner, P ^a   Lutsen, L ^b   Manca, J V ^a,b   Vanderzande, D ^a,b   De Schepper, L ^a,b  

^a HASSELT UNIVERSITY   (Belgium)

^b IMEC   (Belgium)

^c INSTITUTE OF PHYSICS   (Czech Republic)

Author keywords

CPM; Defects; FT PS; PDS; Sub band gap absorption

Indexed keywords

COMPOSITE MATERIALS; ENERGY GAP; LIGHT ABSORPTION; PHOTOCURRENTS; RENEWABLE ENERGY RESOURCES; SEMICONDUCTING FILMS; SOLAR CELLS;

CONSTANT PHOTOCURRENT METHOD (CPM); FOURIER TRANSFORM PHOTOCURRENT SPECTROSCOPY (FT-PS); PHOTOTHERMAL DEFLECTION SPECTROSCOPY (PDS); SUB BAND GAP ABSORPTION;

THIN FILMS;

EID: 10144231466     PISSN: 0277786X     EISSN: None     Source Type: Conference Proceeding    
DOI: 10.1117/12.547276     Document Type: Conference Paper

References (31)

1. S. E. Shaheen, C. J. Brabec, N. S. Sariciftci, "2.5% efficient organic plastic solar cells", Applied Physics Letter, 78 (6), 841-843, 2001
2. C. J. Brabec, N. S. Sariciftci, J. C. Hummelen, "Plastic solar cells", Advanced Functional Materials, 11 (1), 15-26, 2001
3. F. Padinger, R. S. Rittberger, N. S. Sariciftci, "Effects of postproduction treatment on plastic solar cells", Advanced Functional Materials, 13(1), 85-88, 2003
4. Siemens AG press release, "Siemens researchers achieve breakthrough in increasing the efficiency of organic solar cells", January 7th 2004
5. N. S. Sariciftci, L. Smilowitz, A. J. Heeger, F. Wudl, "Photoinduced electron transfer from a conducting polymer to Buckminsterfullerene", Science, 258, 1474-1476, 1992
6. S. Morita, A. A. Zakhidov, K. Yoshino, "Doping effect of Buckminsterfullerene in conducting polymer change of absorption spectrum and quenching of luminescence", Solid State Communications, 82 (4), 249-252, 1992
7. 60 composites - Photoinduced electron transfer", Physical Review B, 47 (20), 13835-13842, 1993
8. X. Wei, Z. V. Vardeny, N. S. Sariciftci, A. J. Heeger, "Absorption-detected magnetic-resonance studies of photoexcitations in conjugated-polymer/C-60 composites", Physical Review B, 53(5), 2187-2190, 1996
9. C. J. Brabec, G. Zerza, G. Cerullo, S. De Silvestri, S. Luzatti, J. C. Hummelen, N. S. Sariciftci, "Tracing photoinduced electron transfer process in conjugated polymer/fullerene bulk heterojunctions in real time", Chemical Physics Letters, 340 (3-4), 232-236, 2001
10. I. Montanari, A. F. Nogueira, J. Nelson, J. R. Durrant, C. Winder, M. A. Loi, N. S. Sariciftci, C. J. Brabec, "Transient optical studies of charge recombination dynamics in a polymer/fullerene composite at room temperature", Applied Physics Letters, 81 (16), 3001-3004, 2002
11. W. B. Jackson, N. M. Amer, "Direct measurement of gap state absorption in hydrogenated amorphous silicon by Photothermal Deflection Spectroscopy", Physical Review B, 25 (8), 5559-5562, 1982
12. T. Fujii, L. Pan, Y. Nakayama, "Subgap absorption spectra in polysilane films", Japanese Journal of Applied Physics, 39, 3627-3630, 2000
13. M. Tzolov, V. P. Koch, W. Brütting, M. Schwoerer, "Optical characterization of chemically doped thin films of poly(p-phenylene vinylene)", Synthetic Metals, 109, 85-89, 2000
14. M. Tzolov, W. Brütting, V. P. Koch, J. Gmeiner, M. Schwoerer, "Subgap absorption in poly(p-phenylene vinylene)", Synthetic Metals, 122, 55-57, 2001
15. H. G. Grimmeis, L. A. Ledebo, "Spectral distribution of pholoionization cross sections by photoconductivity measurements", Journal of Applied Physics, 46 (5), 2155-2162, 1975
16. M. Vaněček, J. Kočka, J. Stuchlfk, A. Tříska, "Direct measurement of the gap states and band tail absorption by constant photocurrent method in amorphous silicon", Solid State Communications, 39, 1199-1202, 1981
17. M. Vaněček, J. Kočka, A. Poruba, A. Fejfar, "Direct measurement of the deep defect densily in thin amorphous fimms with absolute constanl pholocurrent method", Journal of Applied Physics, 78 (10), 6203-6210, 1995
18. M. Vaněček, A. Poruba, "Fourier-transform photocurrenl speclroscopy for microcryslalline silicon for solar cells", Applied Physics Letter, 80 (5), 719-721, 2002
19. A. Poruba, M. Vaněček, J. Meier, A. Shah, "Fourier-transform photocurrent spectroscopy in microcrystalline silicon", Journal of Non-Crystalline Solids, 299-302, 536-540, 2002
20. F. Louwet, D. Vanderzande, J. Gelan, J. Mullens, "A new synlhetic route to a soluble high molecular weight precursor for poly(p-phenylenevinylene) derivatives", Macromolecules, 28, 1330-1331, 1995
21. H. Fritzsche, Amorphous Silicon and Related Materials, Volume A, 297-327, World Scientific Publishing Company, Singapore, 1989
22. J. Willekens, G. J Adriaenssens, T. Aernouts, W. Geens, P. Vanlaeke, J. Pooitmans, "Probing ihe subgap absorption of photovoltaic polymer blends by the constant photocurrent method", Thin Solid Films, 451-452, 26-28, 2004
23. C. H. Seager, M. Sinclair, D. McBranch, A. J. Heeger, G. L. Baker, "Photothermal deflection spectroscopy of conjugated polymers", Synthetic Metals, 49-50, 91-97, 1992
24. S. J. Meskers, J. Hübner, M. Oestreich, H. Bässler, "Dispersive relaxation dynamics of photoexcitations in a polyfluorene film involving energy transfer: experiment and Monte Carlo simulations", Journal of Physical Chemistry B, 105, 9139-9149, 2001
25. S. J. Meskers, C. Im, H. Bässler, J. Hübner, M. Östreich, "Relaxations and charge carriers in polymers", IEEE Transactions on Dielectrics and Electrical Insulation, 8 (3), 321-328, 2001
26. H. Bässler, V. I. Arkhipov, E. V. Emilianova, A. Gerhard, A. Hayer, C. Im, J. Rissler, "Excitons in rcconjugated polymers", Synthetic Metals, 135-136, 377-382, 2003
27. V. I. Arkhipov, E. V. Emelianova, H. Bässler, "On the role of spectral diffusion of excitons in sensitised photoconduction in conjugated polymers", Chemical Physics Letters, 383, 166-170, 2004
28. R. V. Bensasson, E. Bienvenüe, C. Fabre, J. J. Janot, E. J. Land, S. Leach, V. Leboulaire, A. Rassat, S. Roux, P. Seta, "Photophysical properties of three methanofullerene derivatives", Chemistry-A European Journal, 4 (2), 270-278, 1998
29. 60", Chemical Physics, 160 (3), 451-466, 1992
30. C. Im, E. V. Emelianova, H. Bässler, H. Spreitzer, H. Becker, "Intrinsic and extrinsic charge carrier photogeneration in phenyl-substituted polyphenylenevinylene-trinitrofluorenone blend systems", Journal of Chemical Physics, 117 (6), 2961-2967
31. T. Martens, T. Munters, L. Goris, J. D'Haen, K. Schouteden, M. D' Olieslaeger, L. Luisen, D. Vanderzande, W. Geens, J. Poortmans, L. De Schepper, J. Manca, "Nanostructured organic pn-junctions towards 3D photovoltaics", Applied Physics A-Materials Science and Processing, DOI: 10.1007/s00339-003-2497-6, 2004