
REFEREED PUBLICATIONS :
2009
H. Cheun, B. S. Nehls, F. Galbrecht, U. Scherf, M.J. Winokur, Interface specific variations in the steady state optical properties of polyfluorene thin films , J. Mater. Sci. , 2009, 20, 498.
L. O. Palson , B. S. Nehls, F. Galbrecht, B. A. Coombs, F. M. B. Dias, T. Farrell, U. Scherf, A. P. Monkman, Synthesis, excited state dynamics and optical characterization of oligophenyl based swivel-cruciforms in solution and solid state, submitted.
2008
T. Bünnagel, B. S. Nehls, F. Galbrecht, K. Schottler, C.J. Kudla, M. Volk, J.M.F.P.B. Pina, H.D. Burrows, U. Scherf, Thiophene-Phenylene/Naphthalene Based Step Ladder Copolymers, J. Poly. Scie. A, 2008 , 46, 7342.
M. Knaapila, R. Stepanyan, M. Torkkeli, V. M. Garamus, F. Galbrecht, B. S. Nehls , E. Preis, U. Scherf, A. P. Monkman, Control over phase behavior and solution structure of hairy-rod polyfluorene by means of side chain length and branching, Phys. Rev. E. , 2008 , 77, 051803.
H. L. Vaughan, A. P. Monkman, L. O. Palson, B. S. Nehls , T. Farrell, U. Scherf, On the angular dependence of the optical polarization anisotropy in ladder-type polymers , J. Chem. Phys. , 2008 , 128, 044709.
2007
A. Zen, P. Pingel, F. Jaiser, D. Neher, J. Grenzer, W. Zhuang, J. P. Rabe, A. Bilge, F. Galbrecht, B.S. Nehls , T. Farrell, U. Scherf, R. D. Abellon, F. C: Grozema, L. D. A. Siebbeles, Organic Field-Effect Transistors utilising solution deposited Oligothiophene Based Swivel Cruciforms , Chem. Mater., 2007, 19, 1267.
J. Pina, J. Seixas de Melo, H. D: Burrows, F. Galbrecht, B. S. Nehls , T. Farrell, U. Scherf, Spectral and Photophysical Studies of Poly[2,6-(1,5-dioctylnaphthalene)]thiophenes, J. Phys. Chem. C , 2007 , 111 , 7185.
2006
C. Karnutsch, V. Haug, C. Gaertner, U. Lemmer, T. Farrell, B.S. Nehls , U. Scherf, J. Wang, T. Weimann, G. Heliotis, C. Pflumm, D.D.C. Bradley, J. de Mello, Low threshold blue conjugated polymer lasers with first- and second order distributed feedback , Appl. Phys. Lett . , 2006, 89, 201108.
P. Prins, F.C. Grozema, B.S. Nehls , F. Galbrecht, U. Scherf, L.D.A. Siebbeles, Enhanced charge carrier mobility in ß-phase polyfluorene , Phys. Rev. B, 2006, 74, 113203.
A. Bilge, A. Zen, M. Forster, F. Galbrecht, B.S. Nehls , T. Farrell, U. Scherf, D. Neher, Swivel Cruciform Oligothiophene Dimers, J. Mater. Chem. , 2006, 16 , 3177.
T. Riedl, T. Rabe, H. H. Johannes, W. Kowalsky, J. Wang, T. Weimann, P. Hinze, B.S. Nehls , T. Farrell, U. Scherf, Tunable organic thin-film laser pumped by an inorganic violet diode laser, Appl. Phys. Lett ., 2006 , 88 , 241116.
B.S. Nehls , F. Galbrecht, A. Bilge, U. Scherf, T. Farrell, Synthesis and properties of poly/oligo-mers based on a "flexible" swivel-cruciform structure, Macromol. Sympos., 2006, 239 , 21 .
B.S. Nehls , F. Galbrecht, D.J. Brauer, C.W. Lehmann, T. Farrell, U. Scherf, Binaphthyl based Step ladder polymers, J. of Polym. Scie. A. , 2006, 44, 5533.
H. Cheun, F. Galbrecht, B.S. Nehls , U. Scherf, M. J. Winokur, Temperature dependent spectroscopy of poly(9,9-(2-ethyl)-hexylfluorene)/(9,9-di-n-octylfluorene)copolymers, J. of Luminescence , 2006, 122-123, 212.
K. Becker, J.M. Lupton, J. Feldmann, B.S. Nehls , F. Galbrecht, D.Q. Gao, U. Scherf, On-chain fluorenone defect emission from single polyfluorene molecules: The ulimate evidence against excimer formation as the origin of the green fluorescence band , Adv. Funct. Mater. , 2006 , 16 , 364 .
2005
B.S. Nehls , Naphthalene Based Conjugated Materials, PhD - thesis , 2005 .
B.S. Nehls , F. Galbrecht, D.J. Brauer, C.W. Lehmann, T. Farrell, U. Scherf, Synthesis and Spectroscopy of an Oligophenyl Based Cruciform with Remarkable p - p Assisted Folding, Org. Biomol. Chem ., 2005 , 3 , 3213 .
T. Rabe, M. Hopping, D. Schneider, E. Becker, H.H. Johannes, W. Kowalsky, T. Weimann, J. Wang, P. Hinze, B.S. Nehls , T. Farrell, U. Scherf,T. Riedl, Threshold reduction in polymer lasers based on poly (9,9-dioctylfluorene) with binaphthyl spacers , Adv. Funct. Mater. , 2005 , 15 , 1188 .
F. Galbrecht, X. H. Yang, B.S. Nehls , D. Neher, T. Farrell, U. Scherf, Semiconducting polyfluorenes with electrophosphorescent on chain platinum-salen chromophores, Chem. Commun ., 2005 , 2378 .
B.S. Nehls , S. Füldner, E. Preis, T. Farrell, U. Scherf, Microwave Assisted Synthesis of 1,5- and 2,6 Linked Naphthylene Based Ladder Polymers, Macromolecules , 2005 , 38, 68 7 .
2004
B.S. Nehls , U. Asawapirom, S. Füldner, E. Preis, T. Farrell, U. Scherf, Semiconducting Polymers via Microwave-Assisted Suzuki and Stille Cross-Coupling Reactions, Adv. Funct. Mater. , 2004 , 14 , 352.
Patents :
About 20 patents filed so far. Patents published see below:
B.S. Nehls, A. Alteheld, B. Schmied, K. Hahn, (BASF-SE), Schaumstoffe mit hoher Flammfestigkeit und geringer Dichte, 2009 , WO2009109537.
M. Allmendinger, B. S. Nehls, I. Bellin, B. Schmied, J. Ruch, H. Fischer, J. Rylander, K. Hahn, (BASF-SE), Verfahren zur Einbringung von Feststoffpartikeln in Polymerschmelzen, 2009 , EP2062935 A2.
B.S. Nehls, A. Alteheld, K. Hahn, (BASF-SE), Flammschutz- und Klebeschicht, 2009 , WO2008059957.
O. Kriha, F. Braun, B.S. Nehls, K. Hahn, M. Hofmann, D. Longo, J. Assmann, (BASF-SE), Tranzluzenter Formkörper aus einem Polystyrol-Partikelschaumstoff, 2009 , EP2058361 A1.
B.S. Nehls, F. Braun, K. Hahn, (BASF-SE), Elastisches expandierbares Styrolpolymerisat mit niedriger Wärmeleitfähigkeit, 2009 , EP2058361.
B.S. Nehls, K. Hahn, B. Schmied, M. Riethues, A. Keller, V. Warzelhan, (BASF-SE), Beschichtete Schaumstoffpartikel und Verfahren zur Herstellung von halogenfreien, feuerbeständigen Partikelschaumstoffkörpern, 2009 , WO2008043700.
B.S. Nehls, K. Hahn, B. Schmied, A. Keller, (BASF-SE), Beschichtungszusammensetzung für Schaumstoffpartikel und Verfahren zur Herstellung von Schaumstoffkörpern, 2009 , WO2008037116.
H.J. Quadbeck-Seeger, A. Alteheld, K. Hahn, J. Mertes, C. Moeck, B.S. Nehls , D. Scherzer, B. Vath, (BASF-SE), Verfahren zum Schützen von brennbaren Substraten und zur Herstellung von Verbundschichtmaterialien mit offenzelligen Aminoplastharzschaumstoffen, 2008 , EP2007061714.
CONFERENCE PAPERS :
B.S. Nehls , F. Galbrecht, A. Bilge, T. Farrell, U. Scherf, Synthesis and Properties of Poly- and Oligomers Based on a "flexible" Cruciform Structure, Proc. ICGRE - Inter Academia , 2005 , Vol. 2, 505.
F. Galbrecht, X.H. Yang, B.S. Nehls , T.W. Bünnagel, D. Neher, T. Farrell, U. Scherf, Novel Electrophosphorescent Polyfluorenes With On-Chain Platinum Salen Chromophores, Proc. ICGRE - Inter Academia , 2005 , Vol. 2, 511.
B.S. Nehls , T. Rabe, M. Hopping, D. Schneider, E. Becker, H.H. Johannes, W. Kowalsky, T. Weimann, J. Wang, P. Hinze, T. Farrell, U. Scherf,T. Riedl, Threshold reduction in polymer lasers based on poly (9,9-dioctylfluorene) with binaphthyl spacers, Macromol. Rapid Commun . (Special Issue) , 2005 , 26 , F 7.
T. Farrell, B.S. Nehls , S. Füldner , U. Scherf, D. Schneider, T. Rabe, T. Riedl, W. Kowalsky, P. Hinze, J. Wang, T. Weimann, Synthesis of 1,5 and 2,6 Linked Naphthalene Based Ladder Polymers, e-polymers (Conference - Macro 2004) , 2004 , online.
B.S. Nehls , T. Farrell, U. Scherf, Binaphthol Step Ladder Type Polymers and Chromophores, e-polymers (Conference - Macro 2004) , 2004 , online.
B.S. Nehls , T. Farrell, U. Scherf, Semiconducting Polymers via Microwave-Assisted Suzuki and Stille Cross-Coupling Reactions, Macromol. Rapid Commun. (Special Issue) , 2004 , 25 , F25.
CONFERENCES & POSTER :
2005
European Younger Chemists , Brno (CZ), 30.08.-03.09.2003
Posterpresentation
8th European Conforence on Molecular Electronics , Bologna (I), 29.6.-2.7.2005
Posterpresentation - (Poster 1), ( Poster 2 )
Makromolekulares Kolloq , Freiburg (D), 24.2.-26.2.2005
Talk and Posterpresentation
2004
40th International Symposium on Macromolecules - IUPAC World Polymer Congress MACRO 2004 , Paris (F), 04.07.-09.07.2004
Posterpresentation - (Poster 1), ( Poster 2 )
6th International Symposium on Functional p -Electron Systems , Ithaca (USA), 14.6.-18.6.2004
Posterpresentation - ( Poster 1 ), ( Poster 2 )
Fortschritte bei der Synthese und Charakterisierung von Polymeren , Düsseldorf (D), 15.3.-16.3.2004
Makromolekulares Kolloq , Freiburg (D), 26.2.-28.2.2004
Talk and Posterpresentation
2003
Harold Nations Symposium , Atlanta (USA), 03.10.2003
European Younger Chemists , Grenoble (F), 27.08.-29.08.2003