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Physics of Surfaces and Interfaces

Prof. Johannes Barth

Research Field

Research at E20 aims at the fundamental understanding of interface phenomena and their control for the design of functional nanoarchitectures in reduced dimensions. We investigate and manipulate individual nano-objects and highly organized supramolecular systems.

Utilizing scanning probe microscopy tools we examine the interior of complex molecules and develop self-assembly protocols for nanotextured surfaces. With advanced spectroscopy techniques we study charge transfer and electronic reconfiguration processes at ultimate temporal resolution. These activities promote the development of novel bottom-up fabrication methodologies and the molecular-level engineering of materials with tailored properties.

Address/Contact

James-Franck-Str. 1
85748 Garching b. München
+49 89 289 12608
Fax: +49 89 289 12338

Members of the Research Group

Professor

PhotoDegreeFirstnameLastnameRoomPhoneE-Mail
Photo von Prof. Dr. rer. nat. Johannes Barth. Prof. Dr. Johannes Barth PH II: 211 +49 89 289-12609 E-Mail

Office

PhotoDegreeFirstnameLastnameRoomPhoneE-Mail
kein Photo vorhanden Viktoria Blaschek PH II: 213 +49 89 289-12608 E-Mail

Scientists

PhotoDegreeFirstnameLastnameRoomPhoneE-Mail
Photo von PD  Dr. Francesco Allegretti. PD Dr. Francesco Allegretti PH II: 214 +49 89 289-12618 E-Mail
kein Photo vorhanden Aleksandr Baklanov +49 89 289-12848 E-Mail
Photo von Dr. Ph.D. Yang Bao. Dr. Yang Bao +49 89 289-12320 E-Mail
kein Photo vorhanden M.Sc. Nan Cao +49 89 289-12849 E-Mail
kein Photo vorhanden M.Sc. Eduardo Enrique Corral Rascon +49 89 289-14197 E-Mail
kein Photo vorhanden Dr. Peter Deimel E-Mail
kein Photo vorhanden Ph.D. Maryam Ebrahimi E-Mail
kein Photo vorhanden Keitaro Eguchi E-Mail
Photo von Apl. Prof. Dr. Peter Feulner. Prof. Dr. Peter Feulner PH II: 212 +49 89 289-12607 E-Mail
kein Photo vorhanden M.Sc. Felix Haag PH II: 239 +49 89 289-14197 E-Mail
Photo von Chao Jing Ph.D.. Ph.D. Chao Jing E-Mail
kein Photo vorhanden Dr. Reza Kakavandi E-Mail
kein Photo vorhanden M.Sc. Peter Knecht +49 89 289-14197 E-Mail
Photo von Johannes Küchle M.Sc.. M.Sc. Johannes Küchle PH II: 239 14197 E-Mail
kein Photo vorhanden M.Sc. Dennis Meier +49 89 289-12627 E-Mail
kein Photo vorhanden Dr. Carlos Andres Palma PH II: 214 E-Mail
Photo von Anthoula Chrysa Papageorgiou Ph.D.. Dr. Anthoula Chrysa Papageorgiou PH II: 214 +49 89 289-12618 E-Mail
kein Photo vorhanden Ignacio Piquero-Zulaica +49 89 289-12815 E-Mail
kein Photo vorhanden M.Sc. Wei Ran +49 89 289-12848 E-Mail
kein Photo vorhanden Dr. Joachim Reichert PH II: 210 +49 89 289-12443 E-Mail
Photo von Mohammadreza Rostami M.Sc.. M.Sc. Mohammadreza Rostami +49 89 289-12627 E-Mail
Photo von Dr. rer. nat. Hartmut Schlichting. Dr. Hartmut Schlichting PH II: 210 +49 89 289-12555 E-Mail
Photo von Prof. Dr. Mathias Senge. Prof. Dr. Mathias Senge E-Mail
kein Photo vorhanden M.Sc. Karolina Stoiber +49 89 289-14197 E-Mail
kein Photo vorhanden M.Sc. Andreas Walz +49 89 289-12627 E-Mail
kein Photo vorhanden Dipl.-Phys. Peter Weber PH II: 124 E-Mail
kein Photo vorhanden M.Sc. Hongxiang Xu E-Mail
Photo von Biao Yang. Biao Yang +49 89 289-12849 E-Mail

Students

PhotoDegreeFirstnameLastnameRoomPhoneE-Mail
kein Photo vorhanden B.Sc. Cordelia Berz E-Mail

Other Staff

PhotoDegreeFirstnameLastnameRoomPhoneE-Mail
kein Photo vorhanden M.Sc. Valeria Chesnyak E-Mail
kein Photo vorhanden Karl-Wolfgang Eberle PH II: 203 +49 89 289-12549 E-Mail
Photo von PD  Dr. rer. nat. Florian Klappenberger. PD Dr. Florian Klappenberger PH II: 202 E-Mail
kein Photo vorhanden Reinhold Schneider PH II: 233 +49 89 289-12817 E-Mail

Teaching

Course with Participations of Group Members

Offers for Theses in the Group

Foldamers on solid surfaces: tethering, folding and assembly

Nanoscience can arrange minute molecular entities into nanometric patterns in an orderly manner using self-assembly protocols. For practical applications, it is desirable to support such self-assembled structures on surfaces. With this project we wish to expand the capabilities of self-assembled molecular layers by mimicking the ability of biomolecules, such as proteins, to fold into well-defined conformations.

Therefore, we will investigate the on-surface self-assembly of a series of foldamers: synthetic molecular strands that fold into helices. For controlling the surface deposition in the solid/vacuum interface, we will employ a home-developed electrospray controlled ion beam deposition (ES-CIBD). Scanning tunnelling microscopy (STM) under ultra-high vacuum conditions will be used as a convenient tool to provide real-space information about the molecular adsorption, conformation and self-assembly. The conformation and assembly will be controlled by thermal processing and choice of solid support.

suitable as
  • Master’s Thesis Condensed Matter Physics
  • Master’s Thesis Applied and Engineering Physics
Supervisor: Johannes Barth
Tethering of molecular sensitizers on solar cell surfaces

Titanium dioxide is a semiconductor widely used in solar cells. To harness the energy of the solar spectrum, it is sensitised with dyes which are bound by single or dual tethers. Most commonly these anchors are carboxylate groups, however catecholates and hydroxamates are also reported as convenient and robust alternatives.

With this project we aim to provide a comparative study on the microscopic events that lead the different tethers to guide the adsorption of molecular dyes on model titania surfaces. Scanning tunnelling microscopy under ultra-high vacuum conditions and at a temperature range of 250 to 350 K will be used as a convenient tool to provide real-space information about the adsorption and diffusion of single and dual anchors on single crystal surfaces of titanium dioxide.

suitable as
  • Master’s Thesis Condensed Matter Physics
  • Master’s Thesis Applied and Engineering Physics
Supervisor: Johannes Barth

Current and Finished Theses in the Group

Surface engineering of 2-D materials by control of the surface-monolayer interaction
Abschlussarbeit im Masterstudiengang Physics (Applied and Engineering Physics)
Themensteller(in): Francesco Allegretti
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