Papers of the laboratory that were published in the reporting period:
E.M. Roeling, W.Chr. Germs, B. Smalbrugge, E.J. Geluk, T. de Vries, R.A.J. Janssen and M. Kemerink,
Organic electronic ratchets as power sources
Nature Mater. 2011, 10, 51-55

J.C. Bijleveld, B.P. Karsten, S.G.J. Mathijssen, M.M. Wienk, D.M. de Leeuw and R.A.J. Janssen
Small band gap copolymers based on furan and diketopyrrolopyrrole for field effect transistors and photovoltaic cells
J. Mater. Chem. 2011, 21, 1600–1606

H. Bronstein, Z. Chen, R.S. Ashraf, W. Zhang, J. Du, J.R. Durrant, P.S. Tuladhar, K. Song, S.E. Watkins, Y. Geerts, M.M. Wienk, R.A.J. Janssen, T. Anthopoulos, H. Sirringhaus, M. Heeney and I. McCulloch
Thieno[3,2-b]thiophene-diketopyrrolopyrrole containing polymers for high performance OFETs and OPV devices
J. Am. Chem. Soc. 2011, 133, 3272-3275

M. Carvelli, R.A.J. Janssen, and R. Coehoorn,
Determination of the exciton singlet-to- triplet ratio in single-layer organic light-emitting diodes.
Phys. Rev. B. 2011, 83, 075203/1-8

B.J. Campo, J. Duchateau, C. R. Ganivet, B. Ballesteros, J. Gilot, M.M. Wienk, W.D. Oosterbaan, L. Lutsen, T. J. Cleij, G. de la Torre, R.A.J. Janssen, D. Vanderzande and T. Torres
Broadening the absorption of conjugated polymers by “click” functionalization with phthalocyanines.
Dalton Trans. 2011, 40, 3979-3988

M.F. Falzon, M.M. Wienk and R.A.J. Janssen
Designing n-type polymers for organic photovoltaic devices
J. Phys. Chem. C 2011, 115, 3178-3187

H.L. Gomes , P.R.F. Rocha , A. Kiazadeh , D.M. De Leeuw and  S.C.J. Meskers
Anomalous temperature dependence of the current in a metal-oxide-polymer resistive switching diode
J. Phys. D: Appl. Phys. 2011, 44, 025103/1-5

J. Gilot, M.M. Wienk, and R.A.J. Janssen
Measuring the current density - voltage characteristics of individual subcells in two-terminal polymer tandem solar cells
Org. Electron. 2011, 12, 660–665

J.J.M. van der Holst, F.W.A. van Oost, R. Coehoorn and P.A. Bobbert
Monte Carlo study of charge transport in organic sandwich-type single-carrier devices: Effects of Coulomb interactions
Phys. Rev. B. 2011, 83, 085206/1-13

B.P. Karsten and R.A.J. Janssen
Chain length dependence in diketopyrrolopyrrole – thiophene oligomers
Macromol. Chem. Phys. 2011, 212, 515–520

K. Maturová, S.S. van Bavel, M.M. Wienk, R.A.J. Janssen and M. Kemerink
Description of the morphology dependent charge transport and performance of polymer:fullerene bulk heterojunction solar cells
Adv. Funct. Mater. 2011, 21, 261–269

S.L.M. van Mensfoort, J. Billen, M. Carvelli, S.I.E. Vulto, R.A.J. Janssen and R. Coehoorn
Predictive modeling of the current density and radiative recombination in blue polymer-based light-emitting diodes
J. Appl. Phys. 2011, 109, 064502/1-8

S. D. Oosterhout, L.J.A. Koster, S.S. van Bavel, J. Loos, O. Stenzel, R. Thiedmann, V. Schmidt, B. Campo, T.J. Cleij, L. Lutzen, D. Vanderzande, M.M. Wienk and R.A.J. Janssen
Controlling the morphology and efficiency of hybrid ZnO:polythiophene solar cells via side chain functionalization
Adv. Energy Mater. 2011, 1, 90-96

E.M. Roeling, W. C. Germs, B. Smalbrugge, E.J. Geluk, T. de Vries, R.A.J. Janssen and M. Kemerink
Organic electronic ratchets doing work
Nat. Mater. 2011, 10, 51-55

O. Usluer, S. Koyuncu, S. Demic and R. A.J. Janssen
A novel high-contrast ratio electrochromic material from spiro[cyclododecane-1,9'-fluorene]bicarbazole 
J. Polym. Sci. B. Polym. Phys. 2011, 49, 333–341

E. Voroshazi, B. Verreet, A. Buri, R. Müller, D. Di Nuzzo and P. Heremans
Influence of cathode oxidation via the hole extraction layer in polymer: fullerene solar cells
Org. Electron. 2011, 12,736–744

A. Sharma, N.M.A. Janssen, S.G.J. Mathijssen, D.M. de Leeuw, M. Kemerink and P.A. Bobbert
Effect of Coulomb scattering from trapped charges on the mobility in an organic field-effect transistor
Phys. Rev. B, 2011,  83, 125310/1-4

 

J. C. Bijleveld, Synthesis and application of π-conjugated polymers for organic solar cells, December 9, 2010, 139p, Advisors: prof.dr.ir. R. A. J. Janssen

J. Gilot, Polymer tandem solar cells, July 1, 2010, 118p, Advisor: prof.dr.ir. R. A. J. Janssen, Co-advisor: dr.ir. M. M. Wienk

B. P. Karsten, Oligomer studies on polymer photovoltaics, September 27, 2010, 140p. Advisor: prof.dr.ir. R. A. J. Janssen

S. G. J. Mathijssen, Probing dynamic interfaces in organic electronics, Advisors: prof.dr. D. M. de Leeuw (Groningen), prof.dr.ir. R. A. J. Janssen, Co-advisor: dr.ir. M. Kemerink

K. Maturova, Understanding organic electronics on basis of scanning probe microscopy, 18 January 2010, 121p, Advisor: prof.dr.ir. R. A. J. Janssen, Co-advisor: dr.ir. M. Kemerink

A. M. Andringa, M.-J. Spijkman, E. C. P. Smits, S. G. J. Mathijssen, P. A. van Hal, S. Setayesh, N. P. Willard, O. V. Borshchev, S. A. Ponomarenko, P. W. M. Blom
Gas sensing with self-assembled monolayer field-effect transistors
Org. Electron. 2010, 11, 895–898.

R. S. Ashraf, J, Gilot, R. A. J. Janssen
Fused ring thiophene-based poly(heteroarylene ethynylene)s for organic solar cells
Sol. Energy Mater. Sol. Cells 2010, 94, 1759–1766

J. C. Bijleveld, V. S. Gevaerts, D.Di Nuzzo, M. Turbiez, S. G. J. Mathijssen, D. M. de Leeuw, M. M. Wienk, R. A. J. Janssen
Efficient solar cells based on an easily accessable diketopyrrolopyrrole polymer
Adv. Mater. 2010, 22, E242–E246.

J. C. Bijleveld, R. A. M. Verstrijden, M. M. Wienk, R. A. J. Janssen
Maximizing the open-circuit voltage of polymer:fullerene solar cells
Appl. Phys. Lett. 2010, 97, 073304/1–3

J. C. Bijleveld, M. Fonrodona, M. M. Wienk, R. A. J. Janssen
Controlling morphology and photovoltaic properties by chemical structure in copolymers of cyclopentadithiophene and thiophene segments
Sol. Energy Mater. Sol. Cells 2010, 94, 2218–2222

B. F. Bory, S. C. J. Meskers, R. A. J. Janssen, H. L. Gomes, D. M. de Leeuw
Trapping of electrons in metal-oxide-polymer memory diodes in the initial stage of electroforming
Appl. Phys. Lett. 2010, 97, 222106/1–3

H. H. Brongersma, T. Grehl, P. A. van Hal, N. C. W. Kuijpers, S. G. J. Mathijssen, E. R. Schofield, R. A. P. Smith, H. R. J. ter Veen
High-sensitivity and high-resolution low-energy ion scattering
Vacuum 2010, 84, 1005–1007.

J. Cervenka, K. van de Ruit, C. F. J. Flipse
Giant inelastic tunneling in epitaxial graphene mediated by localized states
Phys. Rev. B. 2010, 81, 205403/1–5.

J. Cervenka, C. F. J. Flipse
Fullerene monolayer formation by spray coating
Nanotechnology 2010, 21, 065302/1–7.

D. S. H. Charrier, M. Kemerink, R. A. J. Janssen
Large electrically induced height and volume changes in poly(3,4-ethylenedioxythiophene)/poly(styrenesulfonate) thin films
Chem. Mater. 2010, 22, 3670–3677.

P. T. K. Chin, T. Buckle, A. Aguirre de Miguel, S. C. J. Meskers, R. A. J. Janssen, F. W. B. van Leeuwen
Dual emissive quantum dots for multispectral intraoperative fluorescence imaging
Biomaterials 2010, 31, 6823–6832

B. Conings, S. Bertho, K. Vandewal, A. Senes, J. D’Haen, J. Manca, R. A.J. Janssen
Modelling the temperature induced degradation kinetics of the short circuit current in organic bulk heterojunction solar cells
Appl. Phys. Lett. 2010, 96, 163301/1–3.

J. Cottaar, R. Coehoorn, P. A. Bobbert
Field-induced detrapping in disordered organic semiconducting host-guest systems.
Phys. Rev. B 2010, 82, 205203/1–8.

D. Di Nuzzo, A. Aguirre, M. Shahid, V.S. Gevaerts, S. C. J. Meskers, and R. A. J. Janssen
Improved film morphology reduces charge carrier recombination into the triplet excited state in a small bandgap polymer-fullerene photovoltaic cell
Adv. Mater. 2010, 22, 4321–4324.

C. F. C. Fitié, C. W. S. Roelofs, M. M. Kemerink, R. P. Sijbesma
Remnant polarization in thin films from a columnar liquid crystal
J. Am. Chem. Soc. 2010, 132, 6892–6893.

F. Gholamrezaie, S. G. J. Mathijssen, E. C. P. Smits, T. C. T. Geuns, P. A. van Hal, S. A. Ponomarenko, H.-G. Flesch, R. Resel, E. Cantatore, P. W. M. Blom, D. M. de Leeuw
Ordered semiconducting self-assembled monolayers on polymeric surfaces utilized in organic integrated circuits
Nano Lett. 2010, 10, 1998–2002.

J. Gilot, M. M. Wienk, R. A. J. Janssen
Optimizing polymer tandem solar cells
Adv. Mater. 2010, 22, E67–E71.

J. Gilot, R. Abbel, G. Lakhwani, E. W. Meijer, A. P. H. J. Schenning, S. C. J. Meskers
Polymer photovoltaic cells sensitive to the circular polarization of light
Adv. Mater. 2010, 22, E131–E134.

J. Gilot, M. M. Wienk, R. A. J. Janssen
Measuring the external quantum efficiency of two-terminal polymer tandem solar cells
Adv. Funct. Mater. 2010, 20, 3904–3911.

S. Harkema, R. A. H. J. Kicken, B. M. W. Langeveld-Voss, S. L. M. van Mensfoort, M. M. de Kok, R. Coehoorn
Tuning the voltage dependence of the efficiency of blue organic light-emitting diodes based on fluorene-amine copolymers
Org. Electron. 2010, 11, 755–766.

J. van Herrikhuyzen, R. Willems, S. J. George, C. Flipse, J. C. Gielen, P. C. M. Christianen, A. P. H. J. Schenning, S. C. J. Meskers
Atomic force microscopy nanomanipulation of shape persistent, spherical, self-assembled aggregates of gold nanoparticles
ACS Nano 2010, 4, 6501–6508.

N. Herzer, M. M. Wienk, P. Schmit, A. B. Spoelstra, C. E. Hendriks, S. D. Oosterhout, S. Hoeppener, U. S. Schubert
Fabrication of PEDOT-OTS-patterned ITO substrates
J. Mater. Chem. 2010, 20, 6618–6621.

B. P. Karsten, R. K. M. Bouwer, J. C. Hummelen, R. M. Williams, R. A. J. Janssen
Charge separation and recombination in small band gap oligomer – fullerene triads
J. Phys. Chem. B. 2010, 114, 14149–14156

B. P. Karsten, J. C. Bijleveld, R. A. J. Janssen
Diketopyrrolopyrroles as acceptor materials in organic photovoltaics
Macromol. Rapid. Commun. 2010, 31, 1554–1559.

B. P. Karsten, R. K. M. Bouwer, J. C. Hummelen, R. M. Williams, R. A. J. Janssen
Charge separation and (triplet) recombination in diketopyrrolopyrrole – fullerene triads
Photochem. Photobiol. Sci. 2010, 9, 1055–1065.

L. J. A.  Koster
Charge carrier mobility in disordered organic blends for photovoltaics 
Phys. Rev. B: 2010, 81, 205318/1–7.

G. Lakhwani, R. Roijmans, A. J. Kronemeijer, J. Gilot, R. A. J. Janssen, S. C. J. Meskers
Probing charge carrier density in a layer of photodoped ZnO nanoparticles by spectroscopic ellipsometry
J. Phys. Chem. C 2010, 114, 14804–14810.

S. G. J. Mathijssen, M. Spijkman, A. Andringa, P. A. van Hal, I. McCulloch, M. Kemerink, R. A. J. Janssen, D. M. de Leeuw
Revealing buried interfaces to understand the origins of threshold voltage shifts in organic field-effect transistors
Adv. Mater. 2010, 22, 5105–5109.

K. Maturova, R. A. J. Janssen, M. Kemerink
Connecting scanning tunneling spectroscopy to device performance for polymer:fullerene organic solar cells
ACS Nano, 2010, 4, 1385–1392.

S. L. M. van Mensfoort, V. Shabro, R. J. de Vries, R. A. J. Janssen, R. Coehoorn
Hole transport in the organic small molecule material α-NPD: evidence for the presence of correlated disorder
J. Appl. Phys. 2010, 107, 113710/1–8.

S. L. M. van Mensfoort, R. J. de Vries,V. Shabro, C. van der Marel, H. P. Loebl, R. A. J. Janssen, R. Coehoorn
Electron transport in the organic small molecule material BAlq - the role of correlated disorder and traps
Org. Electron. 2010, 11, 1408–1413.

S. L. M. van Mensfoort, M. Carvelli, M. Megens, D. Wehenkel, M. Bartyzel, H. Greiner, R. A. J. Janssen, R. Coehoorn
Measuring the shape of the emission profile in organic light-emitting diodes
Nat. Photonics 2010, 4, 329-335.

A. Mesaros, S. Papanikolaou, C. F. J. Flipse, D. Sadri, J. Zaanen
Electronic states of graphene grain boundaries
Phys. Rev. B. 2010, 82, 205119/1–8.

G. Otero, C. Gonzalez, A. L. Pinardi, P. Merino, S. Gardonio, S. Lizzit, M. Blanco-Rey, K. van de Ruit, C. F. J. Flipse, J. Mendez, P. L. de Andres, J. A. Martin-Gago
Ordered vacancy network induced by the growth of epitaxial graphene on Pt(111)
Phys. Rev. Lett. 2010, 105, 216102/1–4.

S. A. Ponomarenko, O. V. Borshchev, T. Meyer-Friedrichsen, A. P. Pleshkova, S. Setayesh, E. C. P. Smits, S. G. J. Mathijssen, D. M. de Leeuw, S. Kirchmeyer, A. M. Muzafarov
Synthesis of monochlorosilyl derivatives of dialkyloligothiophenes for self-assembling monolayer field-effect transistors
Organometallics 2010, 29, 4213–4226.

S. van Reenen, P. Matyba, A. Dzwilewski, R. A. J. Janssen, L. Edman, M. Kemerink
A unifying model for the operation of light-emitting electrochemical cells
J. Am. Chem. Soc. 2010, 132, 13776–13781.

A. Sharma, S. G. J. Mathijssen, E. C. P. Smits, M. Kemerink, D. M. de Leeuw, P. A. Bobbert
Proton migration mechanism for operational instabilities in organic field-effect transistors
Phys. Rev. B. 2010, 82, 075322/1–11.

A. Sharma, S. G. J. Mathijssen, T. Cramer, M. Kemerink, D. M. de Leeuw, P. A. Bobbert
Anomalous current transients in organic field-effect transistors
Appl. Phys. Lett. 2010, 96, 103306/1–3.

M. Spijkman, S. G. J. Mathijssen, E. C. P. Smits, M. Kemerink, P. W. M. Blom, D. M. de Leeuw
Monolayer dual gate transistors with a single charge transport layer
Appl. Phys. Lett. 2010, 96, 143304/1–3.

R. J. de Vries, S. L. M. van Mensfoort, R. A. J. Janssen, R. Coehoorn
On the determination of the built-in voltage in organic light-emitting diodes from electro-absorption measurements
Phys. Rev. B, 2010, 81, 125203/1–5.

W. Wagemans, P. Janssen, E. H. M. van der Heijden, M. Kemerink, B. Koopmans
Frequency dependence of organic magnetoresistance
Appl. Phys. Lett. 2010, 97, 123301/1–3.

A. P. Zoombelt, S. G. J. Mathijssen, M. G. R. Turbiez, M. M. Wienk, R. A. J. Janssen
Small band gap polymers based on diketopyrrolopyrrole
J. Mater. Chem. 2010, 20, 2240–2246.

A. Sharma, S. G. J. Mathijssen, M. Kemerink, D. M. de Leeuw, P. A. Bobbert,
Bias stress effect and recovery in organic field effect transistors: proton migration mechanism
Proceedings of SPIE 2010, 7778, 77780Q/1–13.

Z. H. Kafafi, B. P. Rand, K. Lee, and R. Janssen
Introduction to the issue on next-generation organic and hybrid solar cells
IEEE J. Sel. Top. Quant. Electron. 2010, 16, 1512-1513.

L. J. A. Koster
Charge carrier mobility in disordered organic blends   
Proceedings of SPIE  2010, 7722, 77220T/1–8.