Publications of Willi Graupner
 
in 1999
 
 
 
 

Appeared:

(1) Field-Assisted Femtosecond Pump Probe Measurements on Conjugated Systems,
C. Zenz, W. Graupner, G. Cerullo, G. Lanzani, M. Nisoli, E. J. W. List, F. Meghdadi, G. Leising, S. De Silvestri,
Optical Materials 12, 273-277 (1999).

(2) Optically Detected Magnetic Resonance Studies of  Nanostructured PPV-Composites.
E. J. W. List, P. Markart, W. Graupner, G. Leising, J. Partee, J. Shinar, R. Smith, D. Gin,
Optical Materials 12, 369-372 (1999).

(3) Singlet Fission in Luminescent and Nonluminescent p-Conjugated Polymers,
M. Wohlgenannt, W. Graupner, R. Osterbacka, G. Leising, D. Comoretto, Z. Vardeny,
Synthetic Metals 101, 267-268 (1999).

(4) Ultrafast Excitation Energy Transfer in a Blend of Light-Emitting Conjugated Polymers,
G. Cerullo, W. Graupner, G. Lanzani, M. Nisoli, E. J. W. List, S. Stagira, S. De Silvestri, G. Leising,
Synthetic Metals 101, 306-307 (1999).

(5) Electric Field-Assisted Femtosecond Pump-Probe Spectroscopy in Organic Light Emitting Diodes,
W. Graupner, G. Lanzani, G. Cerullo, C. Zenz, E. J. W. List, G. Leising, S. De Silvestri,
Synthetic Metals 101, 277-280 (1999).

(6) Emission Properties of a Molecularly Doped Highly Fluorescent Polymer,
G. Dicker, A. Hohenau, W. Graupner, S. Tasch, M. Graupner, A. Hermetter, B. Schlicke, N. Schulte, A. D. Schlüter, U. Scherf, K. Müllen, G. Leising,
Synthetic Metals 102, 873-874 (1999).

(7) High Pressure Studies on the Planarity of  Para-Hexaphenyl,
S. Guha, W. Graupner, R. Resel, M. Chandrasekhar, H. R. Chandrasekhar, R. Glaser, G. Leising,
Synthetic Metals 101, 180-181 (1999).

(8) Photophysical Properties of Nanostructured PPV-Composites,
E. Zojer, P. Markart, E. J. W. List, W. Graupner, R. Smith, G. Leising, J. Shinar, D. Gin,
Synthetic Metals 102, 1270-1271 (1999).

(9) Blue Green Stimulated Emission of a High Gain Conjugated Polymer,
C. Zenz, G. Kranzelbinder, W. Graupner, S. Tasch, G. Leising,
Synthetic Metals 101, 222-225 (1999).

(10) Excitation Energy Transfer in Guest Host Systems Studied  By Magnetic Resonance Techniques,
E. J. W. List, J. Partee, W. Graupner, J. Shinar, G. Leising,
Synthetic Metals 102, 1077-1078 (1999).

(11) Ultrafast Photoexcitations in Para-Hexaphenyl,
C. Zenz, G. Cerullo, G. Lanzani, W. Graupner, F. Meghdadi, S. De Silvestri, G. Leising,
Synthetic Metals 101, 660-661 (1999).

(12) Optical Properties of Poly(Para-Phenylenes) Under High Pressure,
S. Guha, W. Graupner, S. Yang, M. Chandrasekhar, H. R. Chandrasekhar, G. Leising,
Physica Status Solidi 211, 177-188 (1999).

(13) Photovoltaic Properties of Multilayer and Molecularly Doped Organic Devices,
G. Meinhardt, W. Graupner, G. Feistritzer, R. Schroeder, E.J.W. List, A. Pogantsch, G. Dicker,
B. Schlicke, A. D. Schlüter, G. Winter, M. Hanack, U. Scherf, K. Müllen, G. Leising,
SPIE Proceedings 3623,  46-57 (1999).

(14) Organic Solar Cells - Stabilization by Plastic Encapsulation,
R. Schroeder, G. Feistritzer, W. Graupner, G. Meinhardt, D. Berman, P. Preishuber-Pflügl, F. Stelzer, D. Faiman, G. Leising,
Society of Plastics Engineers, Technical Papers - ANTEC 99, in print.

(15) Ultrafast Photogeneration Mechanism of Triplet States in  Para-Hexaphenyl,
C. Zenz, G. Cerullo, W. Graupner, G. Lanzani, F. Meghdadi, G. Leising, S. De Silvestri,
Physical Review B 99, 14336-14341 (1999).
 
(16) Action Spectroscopy of Neutral and Charged Excitations  in Films  of a Ladder-type Poly(Para-Phenylene),
M. Wohlgenannt, W. Graupner, G. Leising, Z. Vardeny,
Physical Review Letters 82, 3344-3347 (1999).
See also Erratum, Physical Review Letters 83, 1272 (1999).

(17) On the Planarity of Hexaphenyl,
S. Guha, W. Graupner, M. Chandrasekhar, H. R. Chandrasekhar, R. Resel, G. Leising, R. Glaser,
Physical Review Letters 82, 3625-3628 (1999).
 
(18) Photogeneration and Recombination Processes of Neutral and Charged Excitations in Films of Ladder-Type Poly (Para-Phenylene)
M. Wohlgenannt, W. Graupner, G. Leising, Z. Vardeny,
Physical Review B 60, 5321-5330 (1999).

(19) Influence of the Molecular Geometry on the Photoexcitations of Highly Emissive Organic Semiconductors,
S. Yang, W. Graupner, S. Guha, P. Puschnig, C. Martin, H. R. Chandrasekhar, M. Chandrasekhar, G. Leising, C. Ambrosch-Draxl,
SPIE Proceedings 3797, 26-37 (1999).

(20) Frequency-Resolved Delayed Fluorescence and Optically Detected Magnetic Resonance (ODMR) Studies of Triplet and Polaron Dynamics in p-Conjugated Materials & Devices,
J. Shinar, J. Partee, B. L. Uhlhorn, C. H. Kim, M. K. Lee, E. L. Frankevich, E. J. W. List, W. Graupner, and G. Leising
SPIE Proceedings 3797, 76-88 (1999)..

(21) Radiative Defects and Optical Response in Oriented  Para-Hexaphenyl Films
M. Ariu, G. Bongiovanni, M. A. Loi, A. Mura, A. Piaggi, L. Rossi, W. Graupner, F. Meghdadi, G. Leising,
Chemical Physics Letters 313, 405-410 (1999).
 
 

Submitted and Accepted:

(22) Photophysics of Methyl Substituted Poly(Para-Phenylene)-Type Ladderpolymers,
G. Lanzani, S. De Silvestri, G. Cerullo, S. Stagira, M. Nisoli, W. Graupner, G. Leising, U. Scherf, K. Müllen,
pp. 235-258, chapter 8, in Semiconducting Polymers Chemistry, Physics and Engineering, edited  by G. Hadziioannou and P. van Hutten
John Wiley & Sons 2000.

(23) Solid State Aspects of Conjugated Semiconductors,
Wilhelm Graupner, Stefan Tasch, Günther Leising,
pp. 259-307, chapter 9, in Semiconducting Polymers Chemistry, Physics and Engineering, edited  by G. Hadziioannou and P. van Hutten,
John Wiley & Sons 2000.
 
(24) Electroluminescence with Poly(Para-Phenylene)s,
Stefan Tasch, Wilhelm Graupner and Günther Leising,
to appear in Organic Light Emitting Devices: A Survey, ed. by Joseph Shinar, Springer Verlag.

(25) Solid State Effects in the Electronic Structure of Ladder-Type Poly(Para-Phenylene)s and Oligo(Para-Phenylene)s
E.J.W. List, J. Partee, J. Shinar, U. Scherf, K. Müllen, E. Zojer, W. Graupner, and G. Leising,
Synthetic Metals in print.

(26) Femtosecond Photovoltage Excitation Cross-Correlation on a Laddertype Polymer
G. Lanzani, C. Zenz, G. Cerullo, W. Graupner, G. Leising, U. Scherf, S. De Silvestri,
Synthetic Metals in print.

(27) Optical Characterization of Poly(2,5-Diheptyl-1,4-Phenylene-alt-2,5-Thienylene)
M. A. Loi, E. J. W. List, C. Gadermaier, W. Graupner, G. Leising, G. Bongiovanni, A. Mura, J.-J. Pireaux and K. Kaeriyama,
Synthetic Metals in print.
 
(28) Photophysical Studies on Nanostructured PPV-composites,
C. Gadermaier, E. J.W. List, P. Markart, E. Zojer, W. Graupner, J. Partee, J. Shinar, R. Smith, D. Gin, G. Leising,
Synthetic Metals in print.
 
(29) Kinetics of singlet and triplet excitons in a wide bandgap copolymer
M. A. Loi, C. Gadermaier, E. J. W. List, G. Leising, W. Graupner, G. Bongiovanni, A. Mura, J.-J. Pireaux and K. Kaeriyama.
Physical Review B 61, 1859-1865 (2000).

(30) Optical Properties of Organic Wide Bandgap Semiconductors Under High Pressure,
S. Guha,  W. Graupner, S. Yang, M. Chandrasekhar, H. R. Chandrasekhar,
to appear in "Anisotropic Organic Materials" - ACS Symposium Series Volume,
edited by R. Glaser and P. Kaszynski.
(Abstracts of Papers of the American Chemical Society 218: 81-ORGN , Part 2 August 22 1999)

(31) Studies of the Intermolecular Interactions in Polypyrrole and Conjugated Composites Based on Polypyrrole,
R. Turcu, W. Graupner, C. Filip, A. Bot, M. Brie, R. Grecu,
Advanced Materials for Optics and Electronics in print.

(32) Localized Triplet Excitations and the Effect of Photo-Oxidation in Ladder-Type Poly (Para-Phenylene)s and Oligo(Para-Phenylene),
E. J. W. List, J. Partee,  J. Shinar, U. Scherf, K. Müllen, E. Zojer, K. Petritsch, G. Leising, W. Graupner,
Physical  Review B 61 in print (2000).

(33) Characterization of Polymer Light-Emitting Diodes Fabricated by Ionically Self-Assembled Monolayer Technique,
D. Marciu, M.B. Miller, J. R. Heflin, M.A. Murray, A.L. Ritter, P. J. Neyman, W. Graupner, H. Wang, H. W. Gibson, R. M. Davis
Materials Research Society Symposium Proceedings in print (2000).

(34) Charged Defects in Highly Emissive Organic Wide Bandgap Semiconductor Devices
E. J. W. List, C. H. Kim, J. Shinar, A. Pogantsch, G. Leising, W. Graupner,
Applied Physics Letters in print.
 
 

 
Submitted:
 
(35) Geometry Dependent Electronic Properties of Highly Fluorescent Conjugated Molecules,
S. Yang, W. Graupner, S. Guha, P. Puschnig, C. Martin, H. R. Chandrasekhar, M. Chandrasekhar, G. Leising, C. Ambrosch-Draxl,
submitted to Physical Review Letters.

(36) X-Ray and High Pressure Raman Scattering Studies of Hexaphenyl,
S. Guha, W. Graupner, M. Chandrasekhar, H. R. Chandrasekhar, R. Resel, G. Leising, R. Glaser,
submitted to Journal of Physical Chemistry.

(37) Solid state effects in the electronic structure of ladder-type poly(para-phenylene)s and oligo(para-phenylene)s,
E.J.W. List, G. Leising, J. Partee, J. Shinar, U. Scherf, K. Müllen, W. Graupner
submitted to Physical Review B.

(38) Photophysics of isolated nanostructured poly(para phenylenevinylene),
E. J. W. List,  J. Partee, J. Shinar, E. Zojer, P. Markart, C. Gadermaier, G. Leising, R. Smith, D. Gin, W. Graupner,
submitted to Physical Review B.

(39) Spectroscopic Studies of Polypyrrole and Conjugated Polymer Composites  Based on Polypyrrole,
R. Turcu, W. Graupner, S. Filip, G. Feistritzer, M. Brie, R. Grecu, G. Leising,
submitted to Applied Physics A: Materials Science & Processing.

(40) The Mechanism of Excitation Energy Transfer in Highly Emissive Semiconducting Polymers.,
E.J.W. List, B. Schlicke, A.D. Schlüter, U. Scherf, K. Müllen, W. Graupner and G. Leising
submitted to Physical Review Letters.

(41) On the interaction of singlet excitons with trapped polarons in ladder-type oligo and poly(para-phenylene): a quantitative study,
E.J.W. List, J. Partee, J. Shinar, W. Graupner, and G. Leising
submitted to Physical Review B.
 
 

 

Page designed and maintained by Willi Graupner, graupner@vt.edu,
Virginia Tech, Department of Physics, Blacksburg, VA 24061-0435,
phone: (001) 540 231 5353 (office), (001) 540 231 3744 (lab), FAX: (001) 540-231-7511                                                           Home: