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2011

Y.F. Zhou, M. Eck, C. Men, F. Rauscher, P. Niyamakon, S. Yilmaz, I. Dumsch, S. Allard, U. Scherf, M. Krüger:
Efficient polymer nanocrystal hybrid solar cells by improved nanocrystal composition
Solar Energy Mat. Solar Cells  95, 3227 (2011). 

S. Grigalevicius, B.H. Zhang, Z.Y. Xie, M. Forster, U. Scherf:
Polycarbazole-based networks made by photo-crosslinking for hole transporting layers of OLED devices
Organic Electronics 12, 2253 (2011). 

K. Paudel, M. Chandrasekhar, U. Scherf, E. Preis, S. Guha:
High-Pressure optical studies of donor-acceptor polymer heterojunctions
Phys. Rev. B. 84, 20208 (2011). 

R.C. Mulherin, S. Jung, S. Hüttner, K. Johnson, P. Kohn, M. Sommer, S. Allard, U. Scherf, N.C. Greenham:
Ternary photovoltaic blens incorporating an all-conjugated donor-acceptor diblock copolymer
Nano Letters 11, 4846 (2011). 

F. Deschler, E. Da Como, T. Limmer, R. Tautz, T Godde, M. Bayer, E. von Hauff, S. Yilmaz, S. Allard, U. Scherf, J. Feldmann:
Reduced Charge Transfer Exciton Recombination in Organic Semiconductor Heterojunctions by Molecular Doping
Phys. Rev. Lett . 107, 127402 (2011). 

M. Knaapila, D.W. Bright, B. S. Nehls, V. M. Garamus, L. Almasy, R. Schweins, U. Scherf, A.P. Monkman:
Development of Intermolecular Structure and Beta-phase of Random Poly[9,9-bis(2-ethylhexyl)fluorene]-co-(9,9-dioctylfluorene) in Methylcyclohexane
Macromolecules 44, 6453 (2011). 

M. Lehnhardt, T. Riedl, U. Scherf, T. Rabe, W. Kowalsky: 
Spectrally separated optical gain and triplet absorption: Towards continuous wave lasing in organic thin film lasers
Org. Electronics 12, 1346 (2011). 

S.T. Hoffmann, J.M. Koenen, U. Scherf, I. Bauer, P. Strohriegl, H. Bässler, A. Köhler:
Triplet-Triplet Annihilation in a Series of Poly(p-phenylene) Derivatives
J. Phys. Chem. B  115, 8417 (2011). 

H. Seo, A. Gutacker, Y.M. Sun, H.B. Wu, F. Huang, Y. Cao, U. Scherf, A.J. Heeger, G.C. Bazan: 
Improved High-Efficiency Organic Solar Cells via Incorporation of a Conjugated Polyelectrolyte Interlayer
J. Amer. Chem. Soc. 133, 8416 (2011).

M. Knaapila, D.W. Bright, R. Stepanyan, M. Torkkeli, L. Almasy, R. Schweins, U. Vainio, E. Preis, F. Galbrecht, U. Scherf, A.P. Monkman: 
Network structure of polyfluorene sheets as a function of alkyl side chain length
Phys. Rev. E 83, 051803 (2011).

S. Guha, M. Chandrasekhar, U. Scherf, M. Knaapila: 
Tuning structural and optical properties of blue-emitting polymeric semiconductors
Phys. Stat. Solidi B 248, 1083 (2011).

D.Q. Gao, F. Scholz, H.G. Nothofer, W.E. Ford, U. Scherf, J.M. Wessels, A. Yasuda, F. von Wrochem:
Fabrication of Asymmetric Molecular Junctions by the Oriented Assembly of Dithiocarbamate Rectifiers
J. Amer. Chem. Soc. 133, 5921 (2011).

Y.F. Zhou, M. Eck, C. Veit, B. Zimmermann, F. Rauscher, P. Niyamakom, S. Yilmaz, I. Dumsch, S. Allard, U. Scherf, M. Krüger:
Efficiency enhancement for bulk-heterojunction hybrid solar cells based on acid treated CdSe quantum dots and low bandgap polymer PCPDTBT
Solar Energy Mater. Solar cells 95, 1232 (2011).

L.L.G. Justino, M.L. Ramos, M. Knaapila, A.T. Marques, C.J. Kudla, U. Scherf, L. Almasy, R. Schweins, H.D. Burrows, A.P. Monkman:
Gel Formation and Interpolymer Alkyl Chain Interactions with Poly(9,9-dioctylfluorene-2,7-diyl) (PFO) in Toluene Solution: Results from NMR, SANS, DFT, and Semiempirical Calculations and Their Implications for PFO beta-Phase Formation
Macromolecules 44, 334 (2011).

J. Albero, Y.F. Zhou, M. Eck, F. Rauscher, P. Niyamakom, I. Dumsch, S. Allard, U. Scherf, M. Krüger, E. Palomares:
Photo-induced charge recombination kinetics in low bandgap PCPDTBT polymer:CdSe quantum dot bulk heterojunction solar cells
Chem. Science 2, 2396 (2011).

E. Preis, C. Widling, U. Scherf, S. Patil, G. Brunklaus, J. Schmidt, A. Thomas:
Aromatic, microporous polymer networks with high surface area generated in Friedel-Crafts-type polycondensations
Polym. Chem. 2, 2186 (2011).

A. Patra, J.M. Koenen, U. Scherf:
Fluorescent nanoparticles based on a microporous organic polymer network: fabrication and efficient energy transfer to surface-bound dyes
Chem. Commun. 47, 9612 (2011).

P.L. Li, O. Fenwick, S. Yilmaz, D. Breusov, D.J. Caruana, S. Allard, U. Scherf, F. Cacialli:
Dual functions of a novel low-gap polymer for near infra-red photovoltaics and light-emitting diodes
Chem. Commun. 47, 8820 (2011).

U. Scherf:
Counterion Pinning in Conjugated Polyelectrolytes for Applications in Organic Electronics
Angew. Chem. Inter. Ed., 50, 5016 (2011).

M. Knaapila, R. C. Evans, A. Gutacker, V. M. Garamus, N. K. Szekely, U. Scherf, H. D. Burrows:
Conjugated polyelectrolyte (CPE) poly[3-[6-(N-methylimidazolium)hexyl]-2,5-thiophene] complexed with aqueous sodium dodecylsulfate amphiphile: synthesis, solution structure and "surfactochromic" properties
Soft. Matter 7, 6863 (2011).