Projects (90)

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  • Kooperationsanbahnung mit dem Iran

    Puhlmann, Nikolai, Dr. rer. nat. (Director / Office)

    Duration of Project: 10/2018 - 09/2019

    Financer: DFG: Sonstiges
    The Humboldt-Universität zu Berlin, the University of Tehran, the Tarbiat Modares University, and the Amiurkabir University of Technology are interested in establishing scientific cooperations in the field of natural and material sciences.
    For this ...
  • Charge separation at nanostructured molecular donor-acceptor interfaces

    Koch, Norbert, Prof. Dr. techn. (Structure, Dynamics and electronic Properties of Molecular Systems)

    Duration of Project: 09/2010 - 08/2012

    Financer: DFG: Sachbeihilfe

    This project seeks to unravel the electronic structure of conjugated organic molecules on conductive surfaces and at heterointerfaces by means of photoelectron spectroscopy. Specifically, parameters of importance for photovoltaic cells like hole and ...

  • Charge transfer at organic semiconductor hetero-interfaces

    Opitz, Andreas, PD Dr. rer. nat. (Structure, Dynamics and electronic Properties of Molecular Systems)

    Duration of Project: 03/2014 - 12/2017

    Financer: DFG: Sachbeihilfe

    In this project we plan to study charge transfer at organic semiconductor hetero-interfaces using the joint expertise of three groups. Our aim is to obtain a comprehensive understanding of the electronic processes involved by combining complementary ...

  • Charge transfer at organic semiconductor hetero-interfaces: Towards a unified picture in intermediate cases of ground state and excited state scenarios

    Opitz, Andreas, PD Dr. rer. nat. (Structure, Dynamics and electronic Properties of Molecular Systems)

    Duration of Project: 05/2019 - 05/2022

    Financer: DFG: Sachbeihilfe

    In this proposal, we study the charge transfer at organic semiconductor hetero-interfaces using the joint expertise of three groups. Our aim is to obtain a comprehensive understanding of the electronic processes and optical properties involved by com ...

  • Compressed Sensing in Ptychography and Transmission Electron Microscopy

    Van den Broek, Wouter, (Experimental Physics / Structural Research and Electron Microscopy)

    Duration of Project: 07/2017 - 03/2021

    Financer: DFG: Sachbeihilfe

    This project uses compressed sensing to improve object retrieval from ptychographic data sets consisting out of HRTEM images and diffraction patterns, and to speed up data recording and thus decrease electron dose and specimen damage. More specifical ...

  • Concept for the production of cathodes using nanowires (transfer bonus)

    List-Kratochvil, Emil J. W., Prof. Dr. (Experimentelle Physik, Hybride Bauelemente)

    Duration of Project: 06/2016 - 07/2016

    Concept for the production of cathodes using nanowires

  • Connecting Scales in Vibrational Imaging: Synchrotron Microscopy Station for Spatial-, Temporal- and Polarization-Resolved Spectroscopy

    Kneipp, Janina, Prof. Dr. rer. nat. (Physical Chemistry)

    Duration of Project: 07/2019 - 06/2022

    Financer: BMBF
    The characterisation of the molecular structure, composition and interactions of a biological, inorganic or synthesised material is a prerequisite for understanding its properties and functions.
    Through infrared (IR) absorption or Raman scattering, ...
  • CRC 1404/1: Deriving Trust Levels for Multi-Choice Data Analysis Workflows (SP A03)

    Draxl, Claudia, Prof. Dr. Dr. h.c. (Theoretical Physics / Solid State Theory)

    Duration of Project: 07/2020 - 06/2024

    Financer: DFG: Sonderforschungsbereich

    DAWs often contain series of analysis tasks where for each task a multitude of possible programs exist (multi-choice DAW). A comprehensive characterization of the input data often requires executing several of these programs to combine their respecti ...

  • CRC 1404/1: Portable and Adaptive Data Analysis Workflows for Real-Time 3D Vision (SP B02)

    Eisert, Peter, Prof. Dr.-Ing. (Visual Computing)

    Duration of Project: 07/2020 - 06/2024

    Financer: DFG: Sonderforschungsbereich

    In many Natural Sciences, microscopy is key to discover things that have never been seen or captured by cameras before. In high-end microscopy, resolution approaches the wavelength of the probing radiation, leading to images that are recorded with pa ...

  • CRC 658/1-2: Structure-Switching Relationships in Ordered Covalent and Non-Covalent Mono- and Multiswitch Architectures at Surfaces (SP B08)

    Hecht, Stefan, Prof. (Organic Chemistry and Functional Materials)

    Duration of Project: 09/2007 - 06/2017

    Financer: DFG: Sonderforschungsbereich - Beteiligungen

    Utilizing a synthetic approach, this project is devoted to correlate the chemical structure of simple molecular switches as well as covalent and non-covalent multiple switching systems with their respective switching behaviour at surfaces. Fundamenta ...

  • CRC 658/3: Excitations of Molecular Switches on Surfaces: Insight from First-Principles (SP C06)

    Draxl, Claudia, Prof. Dr. Dr. h.c. (Theoretical Physics / Solid State Theory)

    Duration of Project: 07/2013 - 06/2017

    Financer: DFG: Sonderforschungsbereich - Beteiligungen

    Mittels parameterfreien Methoden der Dichtefunktionaltheorie und Vielteilchenstörungstheorie wird die Wechselwirkung von schaltbaren Molekülen mit unterschiedlichen Oberflächen im Hinblick auf Geometrie, Anordnung der elektronischen Niveaus und optis ...

  • CRC 787/1: Single Photons for Quantum Information (SP C02)

    Benson, Oliver, Prof. Dr. rer. nat. (Experimental Physics / Nanooptics)

    Duration of Project: 01/2008 - 12/2019

    Financer: DFG: Sonderforschungsbereich - Beteiligungen

    The goal of this project is to realize reliable and robust single photon sources and to use them for quantum information processing. After first studies with optically excited sources emitting at 800–900 nm we want to implement sources in the telecom ...

  • CRC 951/2: Active Control of Charge Transport and Electro-Optical Interface Properties in HIOS (SP B14)

    List-Kratochvil, Emil J. W., Prof. Dr. (Experimentelle Physik, Hybride Bauelemente)

    Duration of Project: 04/2017 - 06/2019

    Financer: DFG: Sonderforschungsbereich

    The central objective of this project is to study and use monolayers of transition metal dichalcogenides (TMDCs) in combination with photochromic and solvatochromic molecules to realize novel opto-electronic functionalities and devices. For this purp ...

  • CRC 951/2: Enabling Imaging and Spectroscopy of Electron Beam Sensitive Hybrid Materials (SP A12)

    Koch, Christoph T., Prof. PhD (Experimental Physics / Structural Research and Electron Microscopy)

    Duration of Project: 02/2017 - 06/2019

    Financer: DFG: Sonderforschungsbereich

    The very special opto-electronic properties of hybrid inorganic/organic systems (HIOS) being investigated within this CRC are largely determined by the electronic structure and distribution of charges at the inorganic/organic interface. Holographic i ...

  • CRC 951/2: Exploring Molecular-Scale Structure Formation of HIOS by All-Atom Molecular Dynamics Computer Simulations (SP A01)

    Dzubiella, Joachim, Prof. Dr. (Theory and Simulation of Many-body Systems)

    Duration of Project: 07/2015 - 06/2019

    Financer: DFG: Sonderforschungsbereich

    This project explores the molecular scale (0.1-10 nm; 0.001-100 ns) structure formation of HIOS by applying (classical) atomistically resolved molecular dynamics computer simulations of conjugated organic molecules (COMs) on inorganic semiconductor s ...

  • CRC 951/2: HIOS – Coherent amplification and lasing of metal/organic hybrid structures (SP B02)

    Benson, Oliver, Prof. Dr. rer. nat. (Experimental Physics / Nanooptics)

    Duration of Project: 07/2015 - 06/2019

    Financer: DFG: Sonderforschungsbereich

    The central goal of our project is to establish surface plasmon polariton (SPP) directional propagation by a chiral hybrid inorganic/organic system (HIOS). For this a plasmonic antenna-wire system is assembled on a HIOS consisting of a two-dimensiona ...

  • CRC 951/2: HIOS – Electronic Coupling in Inorganic/Organic Semiconductor Hybrid Structures for Opto-Electronic Function (SP B03)

    Blumstengel, Sylke, (Experimentelle Physik, Hybride Bauelemente)

    Duration of Project: 07/2015 - 06/2019

    Financer: DFG: Sonderforschungsbereich

    A central goal of this project is the understanding and tailoring of excitonic coupling and charge transfer in hybrid inorganic/organic systems (HIOS) composed of monolayers (ML) of transition metal dichalcogenides (TMDC) and conjugated organic molec ...

  • CRC 951/2: HIOS – Nanowires Grown From Photocatalytically Active Organic Nanotubular Templates (SP A06)

    Rabe, Jürgen P., Prof. Dr. rer. nat. (Experimental Physics / Physics of Macromolecules)

    Duration of Project: 07/2015 - 06/2019

    Financer: DFG: Sonderforschungsbereich

    In this project plasmon excitations in ultrathin silver wires surrounded by conjugated organic molecules are studied. The preparation of the silver wires from solution will be optimized with respect to length and crystallinity. The plasmon resonances ...

  • CRC 951/2: HIOS – Surface-Selective Functionalization of Inorganic Semiconductors (SP A08)

    Koch, Norbert, Prof. Dr. techn. (Structure, Dynamics and electronic Properties of Molecular Systems)

    Duration of Project: 07/2015 - 06/2019

    Financer: DFG: Sonderforschungsbereich

    During the past funding period, we have learned how to adjust the work function of ZnO surfaces in the interval ranging from 2.2 eV to 6.5 eV using dipolar organophosphonates and strong molecular donors/ acceptors, and we have acquired understanding ...

  • CRC 951/2: HIOS – Theory of Active Hyperbolic Metamaterials and SPASER Action (SP B10)

    Busch, Kurt, Prof. Dr. rer. nat. (Theoretical Physics / Theoretical Optics)

    Duration of Project: 07/2015 - 06/2019

    Financer: DFG: Sonderforschungsbereich

    The development of a comprehensive theoretical framework for the analysis of two prototypical hybrid plasmonic systems is suggested. First, Hyperbolic Metamaterials (HMMs), i.e., structures consisting of alternating layers of plasmonic and dielectric ...

  • CRC 951/2: HIOS – Theory of Transfer Processes and Optical Spectra of Molecule, Inorganic Semiconductor and Metal Nanoparticle Hybrid Systems (SP B06)

    May, Volkhard, (Experimental Physics / Photobiophysics)

    Duration of Project: 07/2015 - 06/2019

    Financer: DFG: Sonderforschungsbereich

    Coupled excited electronic states of hybrid systems shall be investigated theoretically with a focus on larger structures where an ab initio description is not possible. The systems combine supramolecular complexes or layers of conjugated organic mol ...

  • CRC 951/2: HIOS – Transmission Electron Microscopy of HIOS (SP Z02)

    Koch, Christoph T., Prof. PhD (Experimental Physics / Structural Research and Electron Microscopy)

    Duration of Project: 07/2015 - 06/2019

    Financer: DFG: Sonderforschungsbereich

    This project will provide transmission electron microscopy (TEM) service for the structural and chemical characterization of HIOS to the CRC. The knowledge of the structural and chemical properties of HIOS is essential for the thorough understanding ...

  • CRC 951/2: HIOS – ZnO/Organic Hybrid Structures (SP A05)

    Benson, Oliver, Prof. Dr. rer. nat. (Experimental Physics / Nanooptics)

    Duration of Project: 07/2015 - 06/2019

    Financer: DFG: Sonderforschungsbereich

    We search for epitaxy-like regimes in inorganic/organic semiconductor hybrid growth by employing the atomistic, electrostatic, and topological structure of the inorganic surface (ZnO, GaN). Goal is the generation of HIOS with properly defined interfa ...

  • CRC 951/2: Surface-Selective Functionalization of Inorganic Semiconductors (SP A04)

    Heimel, Georg, Dr. (Structure, Dynamics and electronic Properties of Molecular Systems)

    Duration of Project: 07/2015 - 06/2019

    Financer: DFG: Sonderforschungsbereich

    Methods of first-principles electronic-structure theory will be employed to design self-assembled monolayers (SAMs) of small organic molecules that are covalently linked to zinc-oxide (ZnO) surfaces. The targeted SAMs serve two purposes. Firstly, the ...

  • CRC 951/2: Theory of Opto-Electronic Excitations and Excitation Dynamics at Hybrid Inorganic/Organic Interfaces (SP B11)

    Draxl, Claudia, Prof. Dr. Dr. h.c. (Theoretical Physics / Solid State Theory)

    Duration of Project: 07/2015 - 06/2019

    Financer: DFG: Sonderforschungsbereich

    We are aiming at an in-depth understanding of level alignment, electronic structure, optical excitations and excitation dynamics in hybrid materials, consisting of π-conjugated molecules and transition metal dichalcogenides (TMDCs). To reach these go ...

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