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Prof. Mats Fahlman, Division Leader

Email: mafah@ifm.liu.se
Telephone: +46 (0)13 281206
Office: Fysikhuset N312


Background

  • Master’s degree in Physics and Electrical Engineering, Linköping University, 1991.
  • Ph.D. in Surface Physics and Chemistry, Linköping University, 1995.
  • Postdoc at the Ohio State University, 1996-1998.
  • Assistant Professor, Department of Physics, Chemistry and Biology, Linköping University, 1998-1999.
  • Associated Professor, Department of Science and Technology, Campus Norrköping, Linköping University, 1999-2005.
  • Dean of Education in Physics and Electronic, Department of Science and Technology, Campus Norrköping, Linköping University, 2001-2002.
  • Director of the Physics and Electronics sub-department, Department of Science and Technology, Campus Norrköping, Linköping University, 2001- 2005, 2007.
  • Member of the Board of Directors, National Synchrotron Radiation Laboratory MAX-Lab, Lund, Sweden, 2001 – 2010.
  • Co-recipient of the EU Descartes Prize for development of polymer based light emitting diodes, 2003.
  • Director of the Master of Engineering Programs at the Norrköping Campus, Linköping University, 2003-2006.
  • Chairman of the FASM (the Association for Synchrotron Radiation Users at MAX-lab) board, 2004-2007.
  • Professor in experimental physics 2005
  • Deputy director of the Electrical Engineering, Physics and Mathematical programs at Linköping University, 2007 – 2008.
  • Professor in Surface Physics and Chemistry, Department of Physics, Chemistry and Biology, Linköping University 2008 - present.
  • Won the Göran Gustafsson Prize in Physics, 2013.

Research

Though my early interests included quantum chemical modeling of electronic structure in condensed organic materials, my research is now centered on experimental studies of semiconducting and conducting organic and hybrid organic systems. The approach is to do basic science on topics of technological importance, often in collaboration with companies. A wide variety of surface science techniques are used with emphasis on (resonant) photoelectron spectroscopy and x-ray absorption, mainly carried out at synchrotron radiation laboratories such as MAX-lab in Lund, but also using XPS/UPS equipment in our labs.
I currently pursue two main topics of research. One is the study of organic/organic and metal/organic interfaces (interface engineering) and their role in applications such as light emitting diodes, photovoltaic cells (solar cells), hybrid organic spin-valves, transistors and functional coatings (anti-static, anti-corrosion, bio-compatibility, magnetic). The other topic is hybrid organic spintronics, where we do materials development and thin film deposition of semiconducting organic-based molecular room temperature magnets, basic materials characterization and prototype device design and fabrication.

Recent Publications

A summary of my peer-reviewed journal publications and citations can be found here.

2018

  • Carbon-tailored semimetal MoP as an efficient hydrogen evolution electrocatalyst in both alkaline and acid media, Guowei Li, Jiancun Rao, Jiquan Wu, Anil Kumar, Chenguang Fu, Yan Sun, Enke Liu, Graeme Blake, Peter Werner, Stuart Parkin, Xianjie Liu, Mats Fahlman, Sz-Chian Liou, Gudrun Auffermann, Jian Zhang, Claudia Felser, and Xinliang Feng, Advanced Energy Materials, in press.
  • 11,11,12,12-tetracyanonaphtho-2,6-quinodimethane in Contact with Ferromagnetic Electrodes for Organic Spintronics, Shengwei Shi, Zhengyi Sun, Xianjie Liu, Amilcar Bedoya-Pinto, Patrizio Graziosi, Huangzhong Yu, Wenting Li, Gang Liu, Luis Hueso, Valentin A. Dediu, and Mats Fahlman, Advanced Electronics Materials, in press.
  • Long Electron-Hole Diffusion Length in High-Quality Lead-Free Double Perovskite Films, Weihua Ning, Feng Wang, Bo Wu, Jun Lu, Zhibo Yan, Xianjie Liu, Youtian Tao, Jun-Ming Liu, Wei Huang, Mats Fahlman, Lars Hultman, Tze Chien Sum, and Feng Gao. Advanced Materials 2018. DOI: 10.1002/adma.201706246
  • Novel small-molecule zwitterionic electrolyte with ultralow work function as cathode modifier for inverted polymer solar cells, Xuewen Guo, Yuexing Zhang, Xianjie Liu, Slawomir Braun, Zhiquan Wang, Bo Li, Yanqing Li, Chungang Duan, Mats Fahlman, Jianxin Tang, Junfeng Fang and Qinye Bao, Organic Electronics 59 (2018) 15.
  • Oxygen- and Water-induced Energetics Degradation in Organometal Halide Perovskites, Jianming Yang, Zhongcheng Yuan, ; Xianjie Liu, Slawomir Braun, Yanqing Li, Jian-Xin Tang, Feng Gao, Chun-Gang Duan, Mats Fahlman, Qinye Bao, ACS Applied Materials & Interfaces 2018, in press.
  • Fast switching polymeric electrochromics with facile processed water dispersed nanoparticles, Xing Xing, Qi Zeng, Mikhail Vagin, Mats Fahlman, Fengling Zhang, Nano Energy, 47 (2018) 123.
  • Morphology Determines Conductivity and Seebeck Coefficient in Conjugated Polymer Blends, Guangzheng Zuo, Xianjie Liu, Mats Fahlman and Martijn Kemerink, ACS Applied Materials & Interfaces, DOI: 10.1021/acsami.8b00122​
  • The Effect of Oxygen Uptake on Charge Injection Barriers in Conjugated Polymer Films, Qinye Bao, Xianjie Liu, Slawomir Braun, Jianming Yang, Yanqing Li, Jianxin Tang, Chungang Duan, and Mats Fahlman​, ACS Applied Materials & Interfaces 10 (2018) 6491.
  • Correlating the Seebeck coefficient of thermoelectric polymer thin films to their charge transport mechanism

    I. Petsagkourakis, E .Pavlopoulou, E. Cloutet, Y.F. Chen, X.J. Liu, M. Fahlman, M. Berggren, X. Crispin, S. Dilhaire, G. Fleury and G. Hadziioannou, Organic Electronics, 52 (2018) 335.

  • Understanding the Impact of Film Disorder and Local Surface Potential in Ultraviolet Photoelectron Spectroscopy of PEDOT, W.A. Munoz, X. Crispin, M. Fahlman, I.V. Zozoulenko, MACROMOLECULAR RAPID COMMUNICATIONS, 39 (2018) 1700533.

2017

  • Ternary Organic Solar Cells with Minimum Voltage Losses, Chuanfei Wang, Wei Zhang, Xiangyi Meng, Jonas Bergqvist, Xianjie Liu, Zewdneh Genene, Xiaofeng Xu, Arkady Yartsev, Olle Inganäs, Wei Ma, Ergang Wang, Mats Fahlman, Advanced Energy Materials, 6 (2017) 1700390.

  • Reduction of charge carrier recombination at ZnO/polymer blend interface in PTB7-based bulk heterojunction solar cells using regular device structure: Impact of ZnO nanoparticle size and surfactant, S. Ben Dkhil, M. Gaceur, A.K. Diallo, Y. Didane, X. Liu, M. Fahlman, O. Margeat, Olivier, J. Ackermann, C. Videlot-Ackermann, ACS Applied Materials & Interfaces, 9 (2017) 17256.

  • Ternary Organic Solar Cells with Enhanced Open Circuit Voltage, Chuanfei Wang, Xiaofeng Xu, Wei Zhang, Sadok Ben Dkhil, Xiangyi Meng, Xianjie Liu, Olivier Margeat, Arkady Yartsev, Wei Ma, Jörg Ackermann, Ergang Wang, Mats Fahlman, Nano Energy, 37 (2017) 24

  • Energy Level Alignment at Metal/Solution-Processed Organic Semiconductor Interfaces, A. Atxabal, S. Braun, T. Arnold, X. Sun, P. Xiangnan, X. Liu, C. Gozalvez, R. Llopis, A. Mateo-Alonso, F. Casanova, F. Ortmann, M. Fahlman, L. Hueso, Adv. Mater, 29 (2017) 1606901

  • Energy Level Alignment of N-Doping Fullerenes and Fullerene Derivatives Using Air-Stable Dopant, Q.Y. Bao, X.J. Liu, S. Braun, Y.Q. Li, J.X. Tang, C.G. Duan, M. Fahlman, ACS Applied Materials & Interfaces, 9 (2017) 35476-35482.

  • Intermixing Effect on Electronic Structures of TQ1:PC71BM Bulk Heterojunction in Organic Photovoltaics, Qinye Bao, Xianjie Liu, Slawomir Braun, Yanqing Li, Jianxin Tang, Chungang Duan, and Mats Fahlman, Sol. RRL 1 (2017) 1700142.

  • Effect of (3-Glycidyloxypropyl)Trimethoxysilane (GOPS) on the Electrical Properties of PEDOT:PSS Films, A. Hakansson, S.B. Han, S.H. Wang, J. Lu, S. Braun, M. Fahlman, M. Berggren, X. Crispin, S. Fabiano, J. Pol. Sci. B, 55 (2017) 814.
  • Oxygen-induced doping on reduced PEDOT, E. Mitraka, M.J. Jafari, M. Vagin, X. Liu, M. Fahlman, T. ederth, M. Berggren, M.P. Jonsson, X. Crispin, J. Mater. Chem. A, 5 (2017) 4404.
  • Ground-state Charge Transfer for NIR Absorption with Donor/Acceptor Molecules: Interactions Mediated via Energetics and Orbital Symmetries, Qian Zhang, Xianjie Liu, Fei Jiao, Slawomir Braun,  Mohammad Javad Jafari, Xavier Crispin, Thomas Ederth and Mats Fahlman, Journal of Materials Chemistry C, 5 (2017) 275.

2016

2015

  • Regular Energetics at Conjugated Electrolyte/Electrode Modifier for Organic Electronics and their Implications on Design Rules , Qinye Bao, Xianjie Liu, Ergang Wang, Junfeng Fang, Feng Gao, Slawomir Braun and Mats Fahlman, Advanced Materials Interfaces, (2015) 1500204

  • Acido-basic control of the thermoelectric properties of poly(3,4-ethylenedioxythiophene)tosylate (PEDOT-Tos) thin films, Zia Ullah Khan, Olga Bubnova, Mohammad Javad Jafari, Robert Brooke, Xianjie Liu, Roger Gabrielsson, Thomas Ederth, Drew R. Evans, Jens W. Andreasen, Mats Fahlman and Xavier Crispin, J. Mater. Chem. C 3 (2015) 10616

  • Role of Thick-Lithium Fluoride Layer in Energy Level Alignment at Organic/Metal Interface: Unifying Effect on High Metallic Work Functions, Z.Y. Sun, S.W. Shi, Q.Y. Bao, X.J. Liu, M. Fahlman, Advanced Materials Interfaces, 2 (2015) 1400527

  • Self-assembled monolayer engineered interfaces: energy level alignment tuning through chain length and end-group polarity, Linda Lindell, Cecilia Vahlberg, Kajsa Uvdal, Mats Fahlman and Slawomir Braun,  J. Electron Spectrosc. Relat. Phenom, 204 (2015) 140, http://dx.doi.org/10.1016/j.elspec.2015.04.006

  • Energetics at Doped Conjugated Polymer/Electrode Interfaces, Qinye Bao, Xianjie Liu, Slawomir Braun, Feng Gao and Mats Fahlman, Advanced Materials Interfaces, 2 (2015) 1400403. DOI: 10.1002/admi.201400403

  • Photonic studies on polymer-coated sapphire-spheres: A model system for biological ligands, M.S. Murib, W.S. Yeap, D. Martens, X. Liu, P. Bienstman, M. Fahlman, M.J. Schöning, L. Michiels, K. Haenen, A. Serpengüzel, P. Wagner, Sensors and Actuators A: Physical, 222 (2015) 212. 

  • Effects of side groups on the kinetics of charge carrier recombination in dye molecule-doped multilayer organic light-emitting diodes, S.W. Shi, F. Gao, Z.Y. Sun, Y.Q. Zhan, M. Fahlman, D.G. Ma, Journal of Materials Chemistry C, 3 (2105) 46.

  • Pyrrolo[3,4-g]quinoxaline-6,8-dione-based conjugated copolymers for bulk heterojunction solar cells with high photovoltages, X.E. Xu, C.F. Wang, O. Backe, D.I. James, K. Bini ,E. Olsson, M.R. Andersson, M. Fahlman, E.G. Wang, Polymer Chemistry, 6 (2015) 4624. 

2014

  • Diamond functionalization with light-harvesting molecular wires: improved surface coverage by optimized Suzuki cross-coupling conditions, W.S. Yeap, D. Bevk, X. Liu, H. Krysova, A. Pasquarelli, D. Vanderzande, L. Lutsen, L. Kavan, M. Fahlman, W. Maes, and K. Haenen, RSC Advances, in press.

  • Trap-Assisted Recombination via Integer Charge Transfer States in Organic Bulk Heterojunction Photovoltaics, Qinye Bao,  Oskar Sandberg, Daniel Dagnelund, Simon Sandén, Slawomir Braun, Harri Aarnio, Xianjie Liu, Weimin M. Chen, Ronald Österbacka, and Mats Fahlman, Advanced Functional Materials 24 (2014) 6309.
  • Energy level alignment and interactive spin polarization at organic/ferromagnetic metal interfaces for organic spintronics, Zhengyi Sun, Yiqiang Zhan, Shengwei Shi, Mats Fahlman, Organic Electronics, 15 (2104) 1951.
  • Boron-Doped Diamond Functionalization by an Electrografting/Alkyne–Azide Click Chemistry Sequence, Weng Siang Yeap, Mohammed Sharif Murib, Wim Cuypers, Xianjie Liu, Bart van Grinsven, Marcel Ameloot, Mats Fahlman, Patrick Wagner, Wouter Maes, and Ken Haenen, ChemElectrochem, 1 (2014) 1145.
  • Poly(ethylene imine) Impurities Induce n-doping Reaction in Organic (semi)Conductors, Simone Fabiano, Slawomir Braun, Xianjie Liu, Eric Weverberghs, Pascal Gerbaux, Mats Fahlman, Magnus Berggren, and Xavier Crispin, Adv. Mater, 26 (2014) 6000.
  • Effects of ultraviolet soaking on surface electronic structure of solution processed ZnO nanoparticle in polymer solar cell, Qinye BaoXianjie Liu, Yuxin Xia, Feng Gao, Louis-Dominique Kauffmann, Olivier Margeat, Jörg Ackermann and Mats Fahlman. J. Mater. Chem. A, 2 (2014) 17676.
  • Interplay of optical, morphological and electronic effects of ZnO optical spacers in highly efficient polymer solar cells, S. Ben Dkhil, D. Duché, M. Gaceur, A.K. Thakur, F. Bencheikh Aboura, L. Escoubas, J.-J. Simon, A. Guerrero, J. Bisquert, G. Garcia-Belmonte, Q. Bao, M. Fahlman, C. Videlot-Ackermann, O. Margeat and J. Ackermann, Advanced Energy Materials, 4 (2014) 1400805
  • Gram-Scale Synthesis of Ultrathin Tungsten Oxide Nanowires and their Aspect Ratio-Dependent Photocatalytic Activity, Jincheng Liu, Olivier Margeat, Walid Dachraoui, Xianjie Liu, Mats Fahlman and Jorg Ackermann, Advanced Functional Materials, 24 (2014) 6029.

  • An all-printed diode operating at 1.6 GHz, N. Sani, M. Robertsson , P. Cooper, X. Wang, M. Svensson, P. Andersson Ersman, P. Norberg, M. Nilsson, D. Nilsson, X. Liu, H. Hesselbom, L. Akesso, M. Fahlman, X. Crispin, I. Engquist, M. Berggren and G. Gustafsson, PNAS, 111 (2014) 11943.
  • Functionalization of Boron-Doped Nanocrystalline Diamond with N3 Dye Molecules, W. S. Yeap, X. Liu,  D. Bevk, A. Pasquarelli, L. Lutsen, M. Fahlman, W. Maes and K. Haenen, ACS Applied Materials & Interfaces, 6 (2014) 10322.
  • Hybrid Interface States and Spin Polarization at Ferromagnetic Metal-Organic Heterojunctions: Interface Engineering for Efficient Spin Injection in Organic Spintronics, Shengwei Shi, Zhengyi Sun, Amilcar Bedoya, Patrizio Graziosi, Xin Li, Xianjie Liu, Luis Hueso, Valentin A. Dediu, Yi Luo, and Mats Fahlman, Advanced Functional Materials, 24 (2014) 4812.
  • Oxygen- and Water-Based Degradation in [6,6]-Phenyl-C 61 -Butyric Acid Methyl Ester (PCBM) Films , Qinye Bao, Xianjie Liu, Slawomir Braun and Mats Fahlman, Adv. Energy Mater., 4 (2014) 1301272.

  • Semi-metallic polymers, Olga Bubnova,  Zia Ullah Khan, Hui Wang, Slawomir Braun, Drew R. Evans, Manrico Fabretto, Pejman Hojati-Talemi, Daniel Dagnelund, Jean-Baptiste Arlin, Yves H. Geerts, Simon Desbief, Dag W. Breiby, Jens W. Andreasen, Roberto Lazzaroni, Weimin M. Chen, Igor Zozoulenko,  Mats Fahlman, Peter J. Murphy, Magnus Berggren and Xavier Crispin, Nature Materials, 13 (2014) 190. doi:10.1038/nmat3824

2013

  • Oxygen- and Water-Based Degradation in [6,6]-Phenyl-C61-Butyric Acid Methyl Ester (PCBM) Films, Qinye Bao, Xianjie Liu, Slawomir Braun and Mats Fahlman, Adv. Energy Mater., 2013, DOI: 10.1002/aenm.201301272
  • The Effect of Gate Electrode Work-Function on the Source Charge Injection in Electrolyte-Gated Organic Field-Effect Transistors,Simone Fabiano, Slawomir Braun, Mats Fahlman, Xavier Crispin and Magnus Berggren , Adv. Funct. Mater., 2013, 10.1002/adfm.201302070

  • Energy level alignment in Au/Pentacene/PTCDA trilayer stacks, P. Sehati, S. Braun and M. Fahlman, Chem. Phys. Lett., 2013, http://www.sciencedirect.com/science/article/pii/S0009261413009263

  • Role of intrinsic molecular dipole in energy level alignment at organic interfaces, Linda Lindell, Deniz Çakır, Geert Brocks, Mats Fahlman, and Slawomir Braun; Appl. Phys. Lett., http://dx.doi.org/10.1063/1.4809567 .
  • Photoelectron spectroscopy and modeling of interface properties related to organic photovoltaic cells, Mats Fahlman,  Parisa Sehati, Wojciech Osikowicz, Slawomir Braun, Michel P. de Jong, Geert Brocks, J. Electron Spectrosc. Relat. Phenom., 190 (2013) 33–41.

  • Amphiphilic semiconducting copolymer as compatibility layer for printing polyelectrolyte-gated OFETs, H. Sinno, H.T. Nguyen, A. Hagerstrom, M. Fahlman, L. Lindell, O. Coulembier, P. Dubois, X. Crispin, I. Engquist, M. Berggren, Org. Electron., 14 (2013) 790.

2012

  • Charge equilibration and potential steps in organic semiconductor multilayers, G. Brocks,  D. Cakir, M. Bokdam, M.P. de Jong, M. Fahlman, Org. Electron. 13 (2012) 1793.
  • The study of organic semiconductor/ferromagnet interfaces in organic spintronics: A short review of recent progress, Yiqiang Zhan and Mats Fahlman, J. Polym. Sci., Part B: Polym. Phys., 50 (2012) 1453.
  • Modeling charge transfer at organic donor-acceptor semiconductor interfaces, D. Çakir, M. Bokdam, M.P. de Jong, M. Fahlman, G. Brocks, Appl. Phys. Lett., 100 (2012) 203302.

2011

  • Spontaneous Charge Transfer and Dipole Formation at the Interface Between P3HT and PCBM, Harri Aarnio, Parisa Sehati, Slawomir Braun, Mathias Nyman, Michel P. de Jong, Mats Fahlman, Ronald Österbacka, Adv. Energy Mater., 1 (2011) 792.
  • Hybridization-induced oscillatory magnetic polarization of C(60) orbitals at the C(60)/Fe(001) interface, T.L.A. Tran, P.K.J. Wong, M.P. de Jong, W.G. van der Wiel, Y.Q. Zhan, M. Fahlman, Appl. Phys. Lett., 98 (2011) 222505.
  • Modified Surface Electronic and Magnetic Properties of La(0.6)Sr(0.4)MnO(3) Thin Films for Spintronics Applications, F.H Li, Y.Q. Zhan, T.H. Lee, X.J. Liu, A. Chikamatsu, T.F. Guo, H.J. Lin, J.C.A. Huang and M. Fahlman, J. Phys. Chem. C, 115 (2011) 16947.
  • Nitrile-Substituted QA Derivatives: New Acceptor Materials for Solution-Processable Organic Bulk Heterojunction Solar Cells, T.L. Zhou, T. Jia, B.N. Kang, F.H. Li,M. Fahlman, Y. Wang, Adv. Energy Mater.,   1 (2011) 431.
  • Electrochemical Control of Growth Factor Presentation To Steer Neural Stem Cell Differentiation, A. Herland, K.M. Persson, V. Lundin, M. Fahlman, M. Berggren, E.W.H. Jager, A.I. Teixeira, Angewandte Chemie - International edition, 50 (2011) 12529.
  • Photoinduced work function changes by isomerization of a densely packed azobenzene-based SAM on Au: a joint experimental and theoretical study, N. Crivillers, A. Liscio, F. Di Stasio, C. Van Dyck, S. Osella, D. Cornil, S. Mian, G. M. Lazzerini, O. Fenwick, E. Orgiu, F. Reinders, S. Braun, M. Fahlman, M. Mayor, J. Cornil, V. Palermo, F. Cacialli and P. Samorì, Phys. Chem. Chem. Phys., 13 (2011) 14302.
  • Optimization of the thermoelectric figure of merit in the conducting polymer poly(3,4-ethylenedioxythiophene), Olga Bubnova, Zia Ullah Khan, Abdellah Malti, Slawomir Braun, Mats Fahlman, Magnus Berggren and Xavier Crispin, Nature Materials, 10 (2011) 429.
  • Electronic structure of thin film cobalt tetracyanoethylene, Co(TCNE)x, E. Carlegrim, Y. Zhan, M.P. de Jong and M. Fahlman, Synthetic Metals 161 (2011) 1892– 1897.
  • Local Surface Potential of pi-Conjugated Nanostructures by Kelvin Probe Force Microscopy: Effect of the Sampling Depth, Andrea Liscio, Vincenzo Palermo, Oliver Fenwick, Slawomir Braun, Klaus Müllen, Mats Fahlman, Franco Cacialli and Paolo Samorí, Small, 7 (2011) 634.
  • Determination of energy level alignment at interfaces of hybrid and organic solar cells under ambient environment, Robert J. Davis, Matthew T. Lloyd, Summer R. Ferreira, Matthew J. Bruzek, Scott E. Watkins, Linda Lindell, Parisa Sehati, Mats Fahlman, John E. Anthony and Julia W. P. Hsu, J. Mater. Chem., 21 (2011) 1721.
  • Ultra-fast charge transfer in organic electronic materials and at hybrid interfaces studied using the core-hole clock technique, R. Friedlein, S. Braun, M.P. de Jong, W. Osikowicz, M. Fahlman and W.R. Salaneck, Journal of Electron Spectroscopy and Related Phenomena 183 (2011) 101.

2010

  • Thermoelectric properties of conducting polymers: The case of poly(3-hexylthiophene), Y. Xuan, X. Liu, S. Desbief, P. Leclère, M. Fahlman, R. Lazzaroni, M. Berggren, J. Cornil, D. Emin, and X. Crispin, Phys. Rev. B, 82 (2010) 115454.
  • Experimental evidence for ferromagnetism at room temperature in MgO thin films, Mukes Kapilashrami, Jun Xu, K.V. Rao, Lyuba Belova, Elin Carlegrim and Mats Fahlman, J. Phys: Condens. Matter, 22 (2010) 345004.
  • Characterization of the Ni/V(TCNE)x interface for hybrid spintronics applications, Elin Carlegrim, Yiqiang Zhan, Fenghong Li, Xianjie Liu and Mats Fahlman, Organic Electronics, 11 (2010) 1020.
  • Energy level alignment at metal-organic and organic-organic interfaces in bulk heterojunction solar cells, Parisa Sehati, Slawomir Braun, Linda Lindell, Xianjie Liu, L. Mattias Andersson and Mats Fahlman,
    IEEE Journal of Selected Topics in Quantum Electronics, 16 (2010) 1718.
  • Electronic structure and molecular orientation of pentacene thin films on ferromagnetic La0.7Sr0.3MnO3, Fenghong Li, Patrizio Graziosi,  Qun Tang, Yiqiang Zhan, Xianjie Liu, Valentin Dediu, and Mats Fahlman, Phys. Rev. B, http://link.aps.org/doi/10.1103/PhysRevB.81.205415
  • Efficient Spin Injection Through Exchange Coupling at Organic Semiconductor/Ferromagnet Heterojunctions, Yiqiang Zhan, Erik Holmström, Raquel Lizárraga, Olle Eriksson, Xianjie Liu, Fenghong Li, Elin Carlegrim, Sven Stafström and Mats Fahlman, Adv. Mater., 22 (2010) 1626.
  • Fermi level pinning at donor-acceptor molecular hetero-junctions in multi-layered thin film stack of TTF and TCNQ, Slawomir Braun, Xianjie Liu, William R. Salaneck and Mats Fahlman, Organic Electronics, 11 (2010) 212.
  • Solution processed ZnO nanowires/polyfluorene heterojunctions for large area lightening, A. Wadeasa, G. Tzamalis, P. Sehati, O. Nur, M. Fahlman, M. Willander, M. Berggren, X. Crispin, Chem. Phys. Lett., 490 (2010) 200.
  • Origin of the surface recombination centers in ZnO nanorods arrays by X-ray photoelectron spectroscopy, LL. Yang, Q.X. Zhao, M. Willander, X.J. Liu, M. Fahlman, J.H. Yang, Appl. Surf. Sci., 256 (2010) 3592.
  • Effective Suppression of Surface Recombination in ZnO Nanorods Arrays during the Growth Process, LL. Yang, Q.X. Zhao, M. Willander, X.J. Liu, M. Fahlman, J.H. Yang, Crystal Growth & Design, 10 (2010) 1904.

2009

  • Benzothiadiazole-Based Linear and Star Molecules: Design, Synthesis, and Their Application in Bulk Heterojunction Organic Solar Cells, Weiwei Li, Chun Du, Fenghong Li, Yi Zhou, Mats Fahlman, Zhishan Bo and Fengling Zhang, Chem. Mater., 12 (2009) 5327.
  • Tuning the Energy Levels of Photochromic Diarylethene Compounds for Opto-electronic Switch Devices, F.L.E. Jakobsson, P. Marsal, S. Braun, M. Fahlman, M. Berggren, J. Cornil and X. Crispin, J. Phys. Chem. C 113 (2009) 18396.
  • Interfacial electronic properties of pentacene tuned by a molecular monolayer of C60, X. Liu, Y. Zhan, S. Braun, F. Li, and M. Fahlman, Phys. Rev. B, 80 (2009) 115401.
  • Ferromagnetism above room temperature in nickel-tetracyanoethylene thin films, Pramod Bhatt, A. Kanciurzewska, E. Carlegrim, M. Kapilashrami, L. Belova, K. Venkat Rao and M. Fahlman, J. Mater. Chem., 19 (2009) 6610.
  • Tuning Work Function of Noble Metals As Promising Cathodes in Organic Electronic Devices, F.H. Li, Y. Zhou, F.L. Zhang, X.J. Liu,Y.Q. Zhan and M. Fahlman, Chem. Mater., 21 (2009) 2798.
  • Energy-Level Alignment at Organic/Metal and Organic/Organic Interfaces, S. Braun, W.R. Salaneck and M. Fahlman, Adv. Mater., 21 (2009) 1450.
  • The role of aluminum oxide buffer layer in organic spin-valves performance, Y.Q. Zhan, X.J. Liu, F.H. Li, I. Bergenti P. Graziosi, V. Dediu, M. Fahlman, Appl. Phys. Lett., 94 (2009) 053301.
  • Electronic structure of thin film iron-tetracyanoethylene: Fe(TCNE)x, Pramod Bhatt, E. Carlegrim, A. Kanciurzewska, M.P. de Jong, M. Fahlman, Appl Phys A, 95 (2009) 131.
  • Iron-Catalyzed Polymerization of Alkoxysulfonate-Functionalized 3,4-Ethylenedioxythiophene Gives Water-Soluble Poly(3,4-ethylenedioxythiophene) of High Conductivity, R.H. Karlsson A. Herland, M. Hamedi, J.A. Wigenius, A. Aslund, X.J. Liu, M. Fahlman, O. Inganas, P. Konradsson, Chem. Mater., 21 (2009) 1815.
  • Degradation of microporous polyaniline film by UV–ozone treatment, S. Golczak, A. Kanciurzewska, J.J. Langer and M. Fahlman, Polymer Degradation and Stability 94 (2009) 350.

2008

  • Energy level alignment and chemical interaction at Alq3/Co interfaces for organic spintronic devices, Y.Q. Zhan, M.P. de Jong, F.H. Li, V. Dediu, M. Fahlman, and W.R. Salaneck, Phys. Rev. B 78 (2008) 045208.
  • Air-stable organic-based semiconducting room temperature thin film magnet for spintronics applications, E. Carlegrim, A. Kanciurzewska, P. Nordblad and M. Fahlman, Appl. Phys. Lett., 92 (2008) 163308.
  • Near-edge x-ray absorption studies of Na-doped tetracyanoethylene films: A model system for the V(TCNE)x room-temperature molecular magnet, E. Carlegrim, B. Gao, A. Kanciurzewska, M.P. de Jong, Z. Wu, Y. Luo, and M. Fahlman, Phys. Rev. B 77 (2008) 054420.
  • The unoccupied electronic structure of the semi-conducting room temperature molecular magnet V(TCNE)2, E. Carlegrim, A. Kanciurzewska, M.P. de Jong, C. Tengstedt and M. Fahlman, Chem. Phys. Lett. 452 (2008) 173.
  • Control of Neural Stem Cell Adhesion and Density by an Electronic Polymer Surface Switch, Carmen Salto, Emilien Saindon, Maria Bolin, Anna Kanciurzewska, Mats Fahlman, Edwin W. H. Jager, Pentti Tengvall, Ernest Arenas, and Magnus Berggren, Langmuir, 24 (2008) 14133.
  • Comparative XPS surface study of polyaniline thin films, Sebastian Golczak, Anna Kanciurzewska, Mats Fahlman, Krzysztof Langer, Jerzy J. Langer, Solid State Ionics, 179 (2008) 2234.

2007

  • Photoelectron Spectroscopy of Conjugated Polymers, M. P. de Jong, G. Greczynski, W. Osikowicz, R. Friedlein, X. Crispin, M. Fahlman, W. R. Salaneck in: "Handbook of Conducting Polymers, Third Edition", T. A. Skotheim and J. R. Reynolds (ed.), CRC Press, Taylor & Francis Group, Boca Raton, 2007.
  • Electronic Structure of Surfaces and Interfaces in Conjugated Systems, M. Lögdlund, M. Fahlman, S. Jönsson, and W. R. Salaneck, in: "Semiconducting Polymers: Chemistry, Physics and Engineering", Second Edition, G. Hadziioannou and G. G. Malliarius, Editors, Wiley-VCH, p-141 (2007). ISBN: 978-3-527-31271-9.
  • Influence of Ti layer thickness on solid state amorphization and magnetic properties of annealed Ti/Ni multilayer, P. Bhatt, S.M. Chaudhari and M. Fahlman, J. Phys: Condens. Matter 19 (2007) 376210.
  • Study on Poly(3,4-ethylene dioxythiophene)-Poly(styrenesulfonate) as a plastic counter electrode in dye sensitized solar cells, A. Kanciurzewska, E. Dobruchowska, A. Baranzahi, E. Carlegrim, M. Fahlman and M.A. Girtu, J. Optoel. Adv. Mat., 9 (2007) 1052.
  • Electronic structure of hybrid interfaces for polymer-based electronics, M. Fahlman, A. Crispin, X. Crispin, S.K.M. Henze, M.P. de Jong, W. Osikowicz, C. Tengstedt and W.R. Salaneck, J. Phys.: Condens. Matter 19 (2007) 183202.
  • Chemical bonding in V(TCNE)x (x~2) thin-film magnets grown in situ, M. P. de Jong, C. Tengstedt, A. Kanciurzewska, E. Carlegrim, W. R. Salaneck, and M. Fahlman, Phys. Rev. B,75 (2007) 064407.
  • The effect of pH on the over-oxidation of PEDOT:PSS, P. Tehrani, A. Kanciurzewska, X. Crispin, N.D. Robinson, M. Fahlman, M. Berggren, Solid State Ionics 177 (2007) 3521.

2006

  • Towards all-plastic flexible light emitting diodes, F.L.E. Jakobsson, X. Crispin, L. Lindell, A. Kanciurzewska, M. Fahlman, W.R. Salaneck, M. Berggren, Chem. Phys. Lett. 433 (2006) 110.
  • Transition between energy level alignment regimes at a low band gap polymer-electrode interfaces, A. Crispin, X. Crispin, M. Fahlman, M. Berggren, W.R. Salaneck, Appl. Phys. Lett. 89 (2006) 213503.
  • Ultraviolet light-ozone treatment of poly(3,4-ethylenedioxy-thiophene)-based materials resulting in increased work functions, Carl Tengstedt, Anna Kanciurzewska, Michel P. de Jong, Slawomir Braun, William R. Salaneck and Mats Fahlman, Thin Solid Films 515 (2006) 2085.
  • Ultraviolet photoelectron spectroscopy of polymers, M.P. de Jong, R. Friedlein, W. Osikowicz, W.R. Salaneck and M. Fahlman, Mol.Crys. & Liq. Crys. 455 (2006) 193.
  • Energetics at Au top- and bottom contacts on conjugated polymers, W. Osikowicz, M. P. de Jong, S. Braun, C. Tengstedt, M. Fahlman and W.R. Salaneck, Appl. Phys. Lett. 88 193504 (2006).
  • Fermi level pinning at conjugated polymer interfaces, C. Tengstedt, W. Osikowicz, W.R. Salaneck, I.D. Parker, C-H. Hsu and M. Fahlman, Appl. Phys. Lett. 88 (2006) 053502.
  • X-ray Magnetic Circular Dichroism and Resonant Photoemission of V(TCNE)x Hybrid Magnets, C. Tengstedt, M.P. de Jong, A. Kanciurzewska, E. Carlegrim, and M. Fahlman, Phys. Rev. Lett. 96 (2006) 057209.

2005

  • Photoemission of Alq3 and C60 films on Al and LiF/Al substrates, S.K.M. Jönsson, W.R. Salaneck and M. Fahlman, J. Appl. Phys., J. Appl. Phys., 98 (2005) 14901.
  • Photoelectron spectroscopy of the contact between the cathode and the active layers in plastic solar cells: the role of LiF, S.K.M. Jönsson, E. Carlegrim, F. Zhang, W.R. Salaneck and M. Fahlman, Jpn. J. Appl. Phys., 44 (2005) 3695.
  • Orbital-specific dynamic charge transfer from Fe(II)-tetraphenylporphyrin molecules to molybdenum disulfide substrates, M.P. de Jong, R. Friedlein, S.L. Sorensen, G. Ohrwall, W. Osikowicz, C. Tengsted, S.K.M. Jönsson, M. Fahlman, W.R. Salaneck, Phys. Rev. B., 72 (2005) 035448.
  • Study and comparison of conducting polymer hole transporting layers in light emitting devices, C. Tengstedt, A. Crispin, C. Hsu, H. Skulason, I.D. Parker, W.R. Salaneck and M. Fahlman, Org. El., 6 (2005) 21.
  • Evidence for Mn2+ ions at surfaces of La0.7Sr0.3MnO3 thin films, M. P. de Jong, I. Bergenti, V. A. Dediu, M. Fahlman , M. Marsi, C. Taliani, Phys. Rev. B, 71 (2005) 014434.
  • Interfacial properties of photovoltaic TiO2/dye/PEDOT–PSS heterojunctions, E.M.J. Johansson, A. Sandell, H. Siegbahn, H. Rensmo, B. Mahrov, G. Boschloo, E. Figgemeier, A. Hagfeldt, S.K.M. Jönsson and M. Fahlman, Synt. Met. 149 (2005) 157.

 


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