Fachbereich Chemie
Publikationen von Christian Wittenburg
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| Suche: FB Chemie / Hamburg | |
| 2018 | |
| 35 |
Chemie & Chemiedidaktik: "Lehr.Lern.Labor Chemie". Kooperation zwischen Fachdidaktik, Schule und Fach im Lehrlabor Lehrerbildung Jürgen Menthe, Jörgfried Kirch, Christian Wittenburg Kooperationen in der Lehrerbildung 76-80 (2018), ISBN 978-3-7460-2051-8 , Verlag: Books on Demand |
2014 | |
| 34 |
Mono(η5-cyclopentadienyl)metal(II) Complexes with Thienyl Acetylide Chromophores: Synthesis, Electrochemical Studies, and First Hyperpolarizabilities Tiago J. L. Silva, Paulo J. Mendes, Ana M. Santos, M. Helena Garcia, M. Paula Robalo, J. P. Prates Ramalho, A. J. Palace Carvalho, Marina Büchert, Christian Wittenburg, Jürgen Heck Organometallics 33, 4655-4671 (2014) |
2013 | |
| 33 |
Benzo[c]thiophene Chromophores Linked to Cationic Fe and Ru Derivatives for NLO Materials: Synthesis Characterization and Quadratic Hyperpolarizabilities Tiago J. L. Silva, Paulo J. Mendes, M. Helena Garcia, M. Paula Robalo, J. P. Prates Ramalho, A. J. Palace Carvalho, Marina Büchert, Christian Wittenburg, Jürgen Heck European Journal of Inorganic Chemistry 3506-3517 (2013) |
2010 | |
| 32 |
OLAT. Zur Begleitung eines chemischen Praktikums Christian Wittenburg Hamburger eLMagazin 5, 10-11 (2010) |
2009 | |
| 31 |
Second-order nonlinear optical activity of dipolar chromophores based on pyrrole-hydrazono donor moieties Alessandro Abbotto, Luca Beverina, Norberto Manfredi, Giorgio A. Pagani, Graziano Archetti, Hans-Georg Kuball, Christian Wittenburg, Jürgen Heck, Jan Holtmann Chemistry - A European Journal 15, 6175-6185 (2009) |
2008 | |
| 30 |
Synthesis of organometallic Ru(II) and Fe(II) complexes containing fused rings hemi-helical ligands as chromophores. Evaluation of non-linear optical properties by HRS M. Helena Garcia, Pedro Florindo, M. Fatima M. Piedade, M. Teresa Duarte, M. Paula Robalo, Jürgen Heck, Christian Wittenburg, Jan Holtmann, Emanuela Licandro Journal of Organometallic Chemistry 693, 2987-2999 (2008) |
| 29 |
Three-Branched Dendritic Dipolar Nonlinear Optical Chromophores, More than Three Times a Single-Strand Chromophore? Jan Holtmann, Edita Walczuk, Markus Dede, Christian Wittenburg, Jürgen Heck, Graziano Archetti, Rüdiger Wortmann, Hans-Georg Kuball, Yan-Hua Wang, Kai Liu, Yi Luo Journal of Physical Chemistry B 112, 14751-14761 (2008) |
| 28 |
Three -branched dendritic NLOphores, more than three times a single-strand chromophore? Jürgen Heck, Jan Holtmann, E. Walcuk, Markus Dede, Christian Wittenburg, Hans-Georg Kuball, Graziano Archetti, Yan-Hua Wang, K. Liu, Y. Luo -/- Herausgeber: A. Cutolo, M. N. Armenise, R. Ramponi First Mediterranean Photonics Conference, Proceedings 215-217 (2008) |
| 27 |
Determination of the first Hyperpolarisability of NLOphores based on pyrrole-hydrazono donor moieties by Hyper-Rayleigh-Scattering Christian Wittenburg, Jürgen Heck, Jan Holtmann, Alessandro Abbotto, Luca Beverina, Norberto Manfredi, Giorgio A. Pagani -/- Herausgeber: A. Cutolo, M. N. Armenise, R. Ramponi First Mediterranean Photonics Conference, Proceedings 230-233 (2008) |
2007 | |
| 26 |
Conjugated polyunsaturated oxacyclic carbene complexes: synthesis, structure, and properties Helmut Fischer, Michael Rädler, Alexander Mosbacher, Matthias Drexler, Eike Hübner, Bernhard Weibert, Jürgen Heck, Christian Wittenburg, Stefan Steffens Collection of Czechoslovak Chemical Communications 72, 503-526 (2007) |
2006 | |
| 25 |
Determination of the first Hyperpolarisability of metal-organic compound by Hyper-Rayleigh-Scattering Christian Wittenburg, Jürgen Heck Minerva Conference on Advances and Trends in Organic Chemistry, Weizmann Institute of Science, 9-12 December 2006, Poster 27 (2006) |
2004 | |
| 24 |
Addition of Ynamines to the Tungsten η1-Vinylidene Complexes (η5-C5H5)(NO)(CO)W:C:C(H)R Junes Ipaktschi, Javad Mohseni-Ala, Ansgar Dülmer, Stefan Steffens, Christian Wittenburg, Jürgen Heck Organometallics 23, 4902-4909 (2004) |
2003 | |
| 23 |
Untersuchungen zum Einfluss von Luftschadstoffen auf die Verwitterung historischer Bausubstanz unter besonderer Berücksichtigung der trockenen und nassen Deposition atmosphärischer Schwefel- und Stickstoffspezies Ulrich Willers, Andreas Behlen, Utz Wiese, Christian Wittenburg, Walter Dannecker, Michael Steiger Abschlussbericht zu den BMBF-geförderten Vorhaben BAU 7015X und BAU 7015Y 1-243 (2003) |
2002 | |
| 22 |
Synthesis and properties of a novel series of organometallic merocyanines combining the potent electron-donating [(CpFeCO)2(μ-CO)(μ-C:CH-)] fragment with tropylium-type acceptors Tony Farrell, Anthony R. Manning, Gemma Mitchell, Jürgen Heck, Timo Meyer-Friedrichsen, Maik Malessa, Christian Wittenburg, Marc-Heinrich Prosenc , Des Cunningham, Pat McArdle European Journal of Inorganic Chemistry 1677-1686 (2002) |
| 21 |
Baroque Artificial Marble inside Monuments: Environmental Impacts, Degradation and Protection Christian Wittenburg, Roman Kozlowski 4th European Commission Conference proceedings "Research for protection, conservation and enhancement of cultural heritage: opportunities for European enterprises", Strasbourg 22-24.11.200 150-155 (2002), ISBN 978-92-828-6705-1; 92-828-6705-6 |
2001 | |
| 20 |
Synthesis and long wavelength hyper-Rayleigh scattering measurements of extended μ-vinylidene di-iron donor based organometallic merocyanines Tony Farrell, Timo Meyer-Friedrichsen, Maik Malessa, Christian Wittenburg, Jürgen Heck, Anthony R. Manning Journal of Organometallic Chemistry 625, 32-39 (2001) |
2000 | |
| 19 |
Stucco Marble in the Dukes Chapel in Krzeszów, Poland - Microclimate and the Degradation Mechanism Roman Kozlowski, Christian Wittenburg, Anke Zeunert International Journal for Restoration of Buildings and Monuments 4, 463-480 (2000) |
| 18 |
Deposição Seca de Poluentes Atmosféricos Sobre Materias Pétreos ao Relento C. Rabelo de Carvalho, Z. de Lourdes Cardeal M. Carvalho, Christian Wittenburg 23a Reunião Anual da Sociedade Brasileira de Química, Proceedings 3, AB-093 (2000) |
1999 | |
| 17 |
Baroque Artificial Marble - Environmental Impacts, Degradation and Protection Christian Wittenburg ENVIART, Protection and Conservation of European cultural Heritage, Research Report 9 (1999), ISBN 978-83-907882-0-3; 83-907882-0-9 |
1998 | |
| 16 |
Die Messung von Luftschadstoffen und deren Deposition auf verschiedene Sandsteine an historischen Bauwerken Christian Wittenburg, Andreas Behlen, Michael Steiger , Walter Dannecker -/- Herausgeber: Rolf Snethlage Denkmalpflege und Naturwissenschaft, Natursteinkonservierung II 27-59 (1998), Verlag: Fraunhofer IRB-Verlag, Stuttgart |
| 15 |
Salze in Natursteinmauerwerk - Probenahme, Messung und Interpretation Michael Steiger , Hans-Hermann Neumann, Torsten Grodten, Christian Wittenburg, Ulf Richter, Walter Dannecker -/- Herausgeber: Rolf Snethlage Denkmalpflege und Naturwissenschaft, Natursteinkonservierung II 61-93 (1998), Verlag: Fraunhofer IRB-Verlag, Stuttgart |
1997 | |
| 14 |
Sea Salt in Historic Buildings, Deposition, Transport and Accumulation Michael Steiger , Andreas Behlen, Hans-Hermann Neumann, Ulrich Willers, Christian Wittenburg -/- Herausgeber: A. Moropoulou, Fulvio Zezza, E. Kollias, I. Papachristodoulou Proceedings of 4th International Synposium on the Conservation of Monuments in the Mediterranean 1, 325-335 (1997) |
| 13 |
ENVIART-An Interdisciplinary Research Project on Degradation and Conservation of Baroque Artificial Marble Christian Wittenburg, Johannes Weber, Roman Kozlowski, Jan Wouters -/- Herausgeber: Gerhard Schulze, Klaus Slusallek Archäometrie und Denkmalpflege, Kurzberichte 1997, 54-56 (1997) |
| 12 |
Artificial Marble: Material Properties, Preparation Technique, and Degradation Mechanisms Anke Zeunert, Anette Lork, Christian Wittenburg, Ulrich Willers, Michael Steiger , Walter Dannecker -/- Herausgeber: Gerhard Schulze, Klaus Slusallek Archäometrie und Denkmalpflege, Kurzberichte 1997, 227-230 (1997) |
1996 | |
| 11 |
Dry Deposition of NO, NO2, HONO, HNO3, and PAN on Historic Building Stones Andreas Behlen, Christian Wittenburg, Michael Steiger , Walter Dannecker -/- Herausgeber: Josef Riederer Proceedings of 8th International Congress on Deterioration and Conservation of Stones, Berlin 1, 377-386 (1996), Verlag: Möller Druck und Verlag GmbH |
| 10 |
Terracotta at Schloß Schwerin, different Desalination Techniques for the Application of Stone Consolidating Agents Christian Wittenburg, Eberhard Wendler, Michael Steiger -/- Herausgeber: Josef Riederer Proceedings of 8th International Congress on Deterioration and Conservation of Stones, Berlin 3, 1717-1726 (1996), Verlag: Möller Druck und Verlag GmbH |
1994 | |
| 9 |
Trockene Schadgas- und Partikeldeposition auf verschiedene Sandsteinvarietäten unter besonderer Berücksichtigung atmosphärischer Einflußgrößen Christian Wittenburg -/- Betreuer: Walter Dannecker Dissertation, Hamburg (1994) Alternativer Quellentitel: Schriftenreihe Angewandte Analytik 22, 137 pp (1994) |
| 8 |
Salt enrichment in building stones by deposition of sulphur and nitrogen containing species from urban atmospheres Christian Wittenburg, Walter Dannecker -/- Herausgeber: V. Fasina, H. Ott, Fulvio Zezza Proceedings of 3rd International Synposium on the Conservation of Monuments in the Mediterranean Basin 179-184 (1994) |
| 7 |
Chemical analysis of stone material, IDEAS Investigations into Devices against Environmental Attack on Stones, A German-Brazilian project Christian Wittenburg, Michael Steiger , Walter Dannecker, C. Rabelo de Carvalho, L. Pataca -/- Herausgeber: H. K. Bianchi 191-202 (1994), Verlag: GKSS Forschungszentrum Geesthacht, Internationales Büro |
| 6 |
Air quality monitoring, IDEAS Investigations into Devices against Environmental Attack on Stones, A German-Brazilian project W. Habbel, C. Rabelo de Carvalho, L. Pataca, Christian Wittenburg, Walter Dannecker -/- Herausgeber: H. K. Bianchi 203-221 (1994), Verlag: GKSS Forschungszentrum Geesthacht, Internationales Büro |
| 5 |
Chemical analysis of stone material Christian Wittenburg, Michael Steiger , Walter Dannecker, C. Rabelo de Carvalho, L. Pataca -/- Herausgeber: H. K. Bianchi IDEAS - Investigations into Devices against Environmental Attack on Stones, A German-Brazilian project 191-202 (1994), Verlag: GKSS Forschungszentrum Geesthacht, Internationales Büro |
| 4 |
Sandsteinverwitterung in schadstoffbelasteter Atmosphäre am Beispiel des Erfurter Doms Michael Steiger , Hans-Hermann Neumann, Andreas Behlen, Stefan Schmolke, Christian Wittenburg, Walter Dannecker -/- Herausgeber: Rolf Snethlage Jahresberichte aus dem Forschungsprogramm Steinzerfall - Steinkonservierung. Band 4 - 1992, 215-239 (1994), Verlag: Verlag Ernst & Sohn, Berlin |
1993 | |
| 3 |
Ein Vergleich von Schwefeldioxid-Depositionsgeschwindigkeiten auf Naturwerksteine aus verschiedenen experimentellen Ansätzen (Comparison of sulfur dioxide deposition velocities on building stones from different experiments) Christian Wittenburg, Henning Mangels, Falk Wolf, Michael Steiger , Thomas Bothmann, Walter Dannecker VDI-Berichte 1060 (Materialien in ihrer Umwelt) 383-392 (1993) |
1992 | |
| 2 |
Dry deposition and deposition velocity of airborne acidic species upon different sandstones Christian Wittenburg, Walter Dannecker Journal of Aerosol Science 23 (Suppl. 1) S869-S872 (1992) |
| 1 |
Chemical characterization of stone samples, weathering products and the ambient air quality at Aachen Cathedral, F. R. G. and different sites in Minas Gerais, Brazil Christian Wittenburg, Walter Dannecker -/- Herausgeber: J. D. Rodrigues Proceedings of 7th International Congress on Deterioration and Conservation of Stones, Lissabon 1, 185-194 (1992) |