Dr. Arne Wittstock University of Bremen Institute for Applied and Physical Chemistry (IAPC) P.O. Box 330 440 D-28334 Bremen Tel: +49-421-218 63400 eMail: awittstock@uni-bremen.de

Research interests

• Physical chemistry of surfaces, nanostructured materials for catalytic and energy app-lications
• High surface area monolithic materials such as nanoporous metal foams and aerogels
• Correlation of atomic scale processes and macroscopic properties, interplay between surface chemistry and material properties, modification and functionalization of surfaces state

Education

• 2010: Dr. rer. nat. (PhD.), summa cum laude, University Bremen, Germany
• 2006: Diploma in Chemistry (Dipl.-Chem.), summa cum laude (1.0), University Bremen, Germany
• 2000: Abitur, Altes Gymnasium in Bremen

Curriculum vitae

• Since 01/2013: Research associate (Habilitant) at the IAPC, University Bremen, Germany
  Target oriented design of high-performance catalysts. Project coordination nanoscaled materials (CeO₂, TiO₂ on Au) for catalytic applications.
• 04/2011-12/2012: Directorate Post-Doc at the Lawrence Livermore Laboratory, CA, USA
  Working in the field of graphene based materials for energy storage devices. Three dimensional and planar graphene substrates in supercapacitor applications.
• 05/2010-03/2011: Research scientist at the IAPC, University Bremen, Germany
  Nanostructured functional materials for energy related and catalytic applications (carbon aerogels, nanoporous gold).
• 2006-2010: PhD Study at the Institute for Applied and Physical Chemistry at the University Bremen, Germany, and the Lawrence Livermore National Lab, USA
  Monolithic nanoporous gold as highly active and selective catalysts and chemically driven actuators.
• 2006: Research assistant, Krüss GmbH, Hamburg, Germany (Diploma thesis)
  Improved characterization of sorption behaviour of porous materials, i.e., powders.
• 2003-2006: Teaching assistant at the University Bremen
  Mathematics, physical and inorganic chemistry.
• 2002–2005: Software development at the MIR Chem GmbH, Bremen, Germany
  Image processing and analysis employing C++ and Matlab.

Research visits

• 2011-2013: Directorate Post-Doc Position at the Physical and Life Sciences Directorate at Lawrence Livermore National Laboratory, CA, USA
• 2007-2008: Research stay at the Lawrence Livermore National Laboratory, Livermore, USA
  (Dr. Alex Hamza, NSCL).

List of publications

Books

¹ Wittstock, A, Biener, J., Erlebacher, J., Bäumer, M. (Editors), Nanoporous Gold: From an Ancient Technology to a High-Tech Material, RSC Nanoscience and Nanotechnology Series, 2012, ISBN 978-1-84973-528-5

Journal articles

² A. Wittstock, A. Wichmann, M. Bäumer, Nanoporous Gold as a Platform for a Building Block Catalyst, ACS Catalysis, 2012, 2 (10), 2199-2215

³ B.J. Clapsaddle, B. Neumann, A. Wittstock, D.W. Sprehn, A.E. Gash, J.H. Satcher, R.L. Simpson, M. Baumer, A sol-gel methodology for the preparation of lanthanide-oxide aerogels: preparation and characterization. J. Sol-Gel Sci. Technol., 2012, 64 (2), 381-389

⁴ J. Biener, S. Dasgupta, L. H. Shao, D. Wang, M. A. Worsley, A. Wittstock, J. R. I. Lee, M. M. Biener, C. A. Orme, S. O. Kucheyev, B. C. Wood, T. M. Willey, A. V. Hamza, J. Weissmuller, H. Hahn and T. F. Baumann, Macroscopic 3D Nanographene with Dynamically Tunable Bulk Properties., Adv. Mater., 2012, 24 (37), 5083-5087

⁵ K.M. Kosuda, A. Wittstock, C.M. Friend, M. Bäumer, Oxygen-Mediated Coupling of Alcohols over Nanoporous Gold Catalysts at Ambient Pressures., Angew. Chem.-Int. Ed., 2012, 51 (7), 1698-1701

⁶ A. Schaefer, D. Ragazzon, A. Wittstock, L.E. Walle, A. Borg, M. Bäumer, A. Sandell, Toward Controlled Modification of Nanoporous Gold. A Detailed Surface Science Study on Cleaning and Oxidation., J. Phys. Chem. C, 2012, 116 (7), 4564-4571

⁷ L.V. Moskaleva, S. Rohe, A. Wittstock, V. Zielasek, T. Kluner, K.M. Neyman, M. Bäumer, Silver residues as a possible key to a remarkable oxidative catalytic activity of nanoporous gold., Phys. Chem. Chem. Phys., 2011

⁸ A. Wittstock, A. Wichmann, J. Biener, M. Bäumer, Nanoporous gold: a new gold catalyst with tunable properties., Faraday Disc., 2011

fn9. M.M. Biener, J. Biener, A. Wichmann, A. Wittstock, T.F. Baumann, M. Bäumer, A.V. Hamza, ALD Functionalized Nanoporous Gold: Thermal Stability, Mechanical Properties, and Catalytic Activity., Nano Lett., 2011, 11 (8), 3085-3090

¹⁰ A. Wittstock, V. Zielasek, J. Biener, C.M. Friend, M. Bäumer, Nanoporous Gold Catalysts for Selective Gas-Phase Oxidative Coupling of Methanol at Low Temperature., Science, 2010, 327 (5963), 319-322

¹¹ A. Wittstock, J. Biener, M. Bäumer, Nanoporous gold: a new material for catalytic and sensor applications. Phys. Chem. Chem. Phys., 2010

fn12. J. Biener, A. Wittstock, M.M. Biener, T. Nowitzki, A.V. Hamza, M. Bäumer, Effect of Surface Chemistry on the Stability of Gold Nanostructures., Langmuir, 2010, 26 (17), 13736-13740

¹³ J. Biener, A. Wittstock, L.A. Zepeda-Ruiz, M.M. Biener, V. Zielasek, D. Kramer, R.N. Viswanath, J. Weissmuller, M. Bäumer, A.V. Hamza, Surface-chemistry-driven actuation in nanoporous gold., Nat. Mater., 2009, 8 (1), 47-51

fn14. A. Wittstock, B. Neumann, A. Schaefer, K. Dumbuya, C. Kübel, M.M. Biener, V. Zielasek, H.-P. Steinrück, J.M. Gottfried, J. Biener, A. Hamza, M. Bäumer, Nanoporous Au: An Unsupported Pure Gold Catalyst?, The Journal of Physical Chemistry C, 2009, 113 (14), 5593-5600

¹⁵ J.S. King, A. Wittstock, J. Biener, S.O. Kucheyev, Y.M. Wang, T.F. Baumann, S.K. Giri, A.V. Hamza, M. Bäumer, S.F. Bent, Ultralow loading Pt nanocatalysts prepared by atomic layer deposition on carbon aerogels., Nano Lett., 2008, 8 (8), 2405-2409

¹⁶ E.C. Hass, R. Ottensmeyer, A. Wittstock, Foam characterization by optical measuring techniques and computer-aided image processing. Tech. Mess., 2004, 71 (11), 603-612K

Patents

1. METAL-OXIDE MODIFIED NANOPOROUS GOLD FOR CATALYTIC APPLICATIONS, Status: filed, 2012
2. SENSOREINRICHTUNG ZUM BESTIMMEN EINES SAUERSTOFFGEHALTS EINES FLUIDS, EIN VERFAHREN ZUR HESRTELLUNG UND EIN VERFAHREN ZUM KALBRIEREN EINER SOLCHEN SENSOREINRICHTUNG, Status: pending, 2011
3. ACTUATION VIA SURFACE CHEMISTRY INDUCED SURFACE STRESS, IPC8 Class: AC23C2200FI, USPC Class: 148240, Status: pending
4. METHOD AND DEVICE FOR MEASURING FOAM, WO/2005/003758, international Filing Date: 24/06/2004