Projects (90)

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  • Untersuchung der Grenzflächen von Baytronschichten

    Koch, Norbert, Prof. Dr. techn. (Junior Research Group 'Lattice QCD with 2+1+1 flavors of dynamical quarks: simulation and analysis aspects' (DFG))

    Duration of Project: 01/2006 - 12/2009

    Financer: BMBF

    Austrittsarbeit und Grenzschicht-Dipol:

    Die Höhe der Lochinjektionsbarriere (HIB) an Grenzschichten zwischen Elektrodenmaterialien und Lochinjektionsmaterialien wird durch die Austrittsarbeit der Elektrode und die Größe des Grenzschichtdipo ...

  • Tuning the Electronic Structure of Organic/Metal Contacts via Additive Interfacial Segregation

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

    Duration of Project: 01/2015 - 12/2017

    Financer: German Israel Foundation

    All organic-based devices, i.e., “organic electronics”, require good electrical contacts between the organic semiconductor and an electrode, most commonly a metal. It has been established early-on that the nature of the metal/organic electrical conta ...

  • structural and thermoelectric characterization of individual single-crystalline nanowires

    Fischer, Saskia, Prof. Dr. rer. nat. (New Materials)

    Duration of Project: 11/2012 - 12/2015

    Financer: DFG: Sachbeihilfe

    The focus of this cluster project in the DFG priority programme SPP1386 "Nanostructured thermoelectrics" is the measurement of the thermoelectric properties of individual nanowires, electrical conductivity, thermal conductivity and Seebeck coefficien ...

  • SPP1386: Structural and thermoelectric characterization of individual single-crystalline nanowires (I)

    Fischer, Saskia, Prof. Dr. rer. nat. (New Materials)

    Duration of Project: 05/2011 - 04/2012

    Financer: DFG: Sachbeihilfe

    The focus of this cluster project in the DFG priority programme SPP1386 "Nanostructured thermoelectrics" is the measurement of the thermoelectric properties of individual nanowires, electrical conductivity, thermal conductivity and Seebeck coefficien ...

  • SPP 1386: Controlled thermoelectric properties of low-dimensional charge carrier systems in semiconductor heterostructures (II)

    Fischer, Saskia, Prof. Dr. rer. nat. (New Materials)

    Duration of Project: 11/2012 - 07/2016

    Financer: DFG - Schwerpunktprogramme

    The focus of this cluster project in the DFG priority programme SPP1386 "Nanostructured thermoelectrics" is the thermoelectric properties of low-dimensional charge-carrier sysequences of thermal gradients on coherent electron traThe focus of this clu ...

  • SPP1355:Electronic properties of interfaces with conjugated polymers III

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

    Duration of Project: 08/2012 - 07/2013

    Financer: DFG: Sachbeihilfe
    The project focuses on polymer interfaces that are of direct relevance for organic photovoltaic
    cells (OPVCs), their function and efficiency. Our goal is to provide a complete understanding
    of the energy levels at all interfaces that occur in polym ...
  • SPP1355:Charge separation at nanostructured molecular donor-acceptor interfaces III

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

    Duration of Project: 08/2012 - 06/2015

    Financer: DFG: Sachbeihilfe
    Organic donor and acceptor molecules represent an important class of materials for solar energy conversion.
    The focus of this project is to combine the expertise of four experimental groups to address the correlation
    between film and interface morp ...
  • SPP1285: Spin-dependent electron transport in GaAs/AlGaAs nanostructures

    Fischer, Saskia, Prof. Dr. rer. nat. (New Materials)

    Duration of Project: 05/2011 - 01/2012

    Financer: DFG: Sachbeihilfe

    The aim of this project within the DFG priority programm SPP1285 "Semiconductor Spinelectronics" is to investigate spin-dependent ballistic transport in nanoscale GaAs/AlGaAs field-effect heterostructures. Starting materials are modulation doped hete ...

  • SFB 951 / 1: Hybrid Inorganic/Organic Systems for Optoelectronics

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

    Duration of Project: 07/2011 - 06/2015

    Financer: DFG: Sonderforschungsbereich

    The CRC 951 - Hybrid Inorganic/Organic Systems for Opto-Electronics (HIOS) - is an interdisciplinary effort bringing together scientists with complementary expertise from three universities and two non-university institutions. The goal is the merger ...

  • RG 1493: Integrated Quantum Optics and Nanophotonics with Defect Centers in Nanodiamonds (SP 6)

    Benson, Oliver, Prof. Dr. rer. nat. (Junior Research Group 'Gauge Fields from Strings' (DFG))

    Duration of Project: 05/2011 - 05/2014

    Financer: DFG: Forschergruppen

    The project aims at integrating diamond defects into photonic structures. To this end, photonic structures should be fabricated with the aim to efficiently coupled defect center luminescence into integrated optical components like beam splitters etc. ...

  • RG 1493/2: Integrated Quantum Optics and Nanophotonics with Defect Centers in Nanodiamonds

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

    Duration of Project: 12/2014 - 11/2017

    Financer: DFG: Forschergruppen

    The work aims at making a significant step towards elements for optical quantum information processing. Defect centers in nano-crystalline diamond serve as individual quantum systems providing photons and spin degrees of freedom that can be coupled a ...

  • PP 2196: Understanding and Suppressing Interfacial Charge Recombination for High Performance Perovskite Solar Cells (SURPRISE)

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

    Duration of Project: 11/2019 - 10/2022

    Halide perovskite semiconductors continue to surprise the community by their many extraordinary physical properties. A key for solar cell applications is their highly fluorescent nature likely due to low defect densities despite their simple processa ...

  • PP 2196: Illuminating Building Block Evolution of Metal-Halide Perovskite Semiconductors from Solutions to Thin Films

    Cocchi, Caterina, Prof. Dr. (Theoretical Physics / Theory of Excitations in low-dimensional Systems)

    Duration of Project: 11/2019 - 10/2022

    Financer: DFG - Schwerpunktprogramme

    The overall goal of this project is to gain fundamental understanding on the structural, electronic, and optical properties of metal-halide complexes in solutions and to follow their evolution towards the formation of crystalline semiconductors throu ...

  • PP 2196/1: Transport of Optical Exciations in Low-Dimensional Halide Perovskites: Coulomb Effects & Structural Dynamics

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

    Duration of Project: 09/2019 - 08/2022

    Financer: DFG - Schwerpunktprogramme

    The recent intense scientific efforts related to halide perovskites (HaPs) have revolutionized and invigorated the solid-state research community. The tremendous interest was fuelled by rapid advances in the performances of HaP-based photovoltaic and ...

  • PP 1666/2: Magnetically Doped Topological Insulators: From the Ground State to Dynamics

    Fischer, Saskia, Prof. Dr. rer. nat. (New Materials)

    Duration of Project: 01/2017 - 01/2020

    Financer: DFG - Schwerpunktprogramme

    The project investigates primarily the impact of magnetic doping on three-dimensional topological insulator (TI) systems. Detailed information on their electronic structure is obtained by means of spin and angle-resolved photo emission spectroscopy ( ...

  • PP 1666/1: Magnetically Doped Topological Insulators: Surfaces States, Dimensionality and Defect Effects

    Fischer, Saskia, Prof. Dr. rer. nat. (New Materials)

    Duration of Project: 08/2013 - 07/2018

    Financer: DFG - Schwerpunktprogramme

    The project investigates primarily the impact of magnetic doping on three-dimensional topological insulator (TI) systems. Detailed information on their electronic structure is obtained by means of spin and angle-resolved photo emission spectroscopy ( ...

  • PP 1386: Controlled Thermoelectric Properties of Low-Dimensional Charge Carrier Systems in Semiconductor Heterostructures (I)

    Fischer, Saskia, Prof. Dr. rer. nat. (New Materials)

    Duration of Project: 08/2011 - 12/2012

    Financer: DFG: Sachbeihilfe

    The focus of this cluster project in the DFG priority programme 1386 "Nanostructured Thermoelectrics" is the thermoelectric properties of low-dimensional charge-carrier systems in high-quality semiconductor heterostructures. The project focuses on sy ...

  • PP 1285: Spin-Dependent Electron in GaAs/AlGaAs Nanostructures (III)

    Fischer, Saskia, Prof. Dr. rer. nat. (New Materials)

    Duration of Project: 10/2011 - 07/2014

    Financer: DFG: Sachbeihilfe

    The aim of this project within the DFG priority programme 1285 "Semiconductor Spinelectronics" is to investigate spin-dependent ballistic transport in nanoscale GaAs/AlGaAs field-effect heterostructures (FETs) of low spin-orbit coupling, and to exten ...

  • NW: Supramolecular Systems with Large Energy Level Offset for Organic Electronics III

    Koch, Norbert, Prof. Dr. techn. (Junior Research Group 'Lattice QCD with 2+1+1 flavors of dynamical quarks: simulation and analysis aspects' (DFG))

    Duration of Project: 12/2008 - 11/2009

    Financer: DFG: Nachwuchsgruppe

    A broad knowledge base for the fundamental understanding of physico-chemical properties at interfaces comprising conjugated organic materials with large energy level offsets shall be established. The requirement to adjust the energy level alignmen ...

  • NW: Supramolecular Systems with Large Energy Level Offset for Organic Electronics II

    Koch, Norbert, Prof. Dr. techn. (Junior Research Group 'Lattice QCD with 2+1+1 flavors of dynamical quarks: simulation and analysis aspects' (DFG))

    Duration of Project: 12/2006 - 12/2010

    Financer: DFG: Nachwuchsgruppe

    A broad knowledge base for the fundamental understanding of physico-chemical properties at interfaces comprising conjugated organic materials with large energy level offsets shall be established. The requirement to adjust the energy level alignment w ...

  • NW: Supramolecular Systems with Large Energy Level Offset for Organic Electronics I

    Koch, Norbert, Prof. Dr. techn. (Junior Research Group 'Lattice QCD with 2+1+1 flavors of dynamical quarks: simulation and analysis aspects' (DFG))

    Duration of Project: 12/2004 - 10/2008

    Financer: DFG: Nachwuchsgruppe

    A broad knowledge base for the fundamental understanding of physico-chemical properties at interfaces comprising conjugated organic materials with large energy level offsets shall be established. The requirement to adjust the energy level alignment w ...

  • NW: Hole Injection Barriers at Polymer/Polymer Interfaces

    Koch, Norbert, Prof. Dr. techn. (Junior Research Group 'Lattice QCD with 2+1+1 flavors of dynamical quarks: simulation and analysis aspects' (DFG))

    Duration of Project: 04/2004 - 12/2006

    Financer: Privat/ Mittelgeber alte Bundesländer

    The hole injection barries at interfaces between electroluminescent polymers and conducting (charge transfer) polymers will be investigated by ultraviolet photoelectron spectroscopy. Knowledge of these barrier heights is essential for understanding f ...

  • NW: Electronic properties of interfaces with conjugated polymers

    Koch, Norbert, Prof. Dr. techn. (Junior Research Group 'Lattice QCD with 2+1+1 flavors of dynamical quarks: simulation and analysis aspects' (DFG))

    Duration of Project: 03/2008 - 12/2010

    Financer: DFG: Nachwuchsgruppe

    The project focuses on polymer interfaces that are of direct relevance for organic photovoltaic cells (OPVCs) fabrication and testing. Our goal is to provide a complete understanding of the energy levels at all interfaces that occur in polymer/polyme ...

  • NW: Charge separation at nanostructured molecular donor-acceptor interfaces

    Koch, Norbert, Prof. Dr. techn. (Junior Research Group 'Lattice QCD with 2+1+1 flavors of dynamical quarks: simulation and analysis aspects' (DFG))

    Duration of Project: 03/2008 - 12/2010

    Financer: DFG: Nachwuchsgruppe

    Organic donor and acceptor molecules represent an important class of materials for solar energy conversion. The focus of this project is to combine the complementary expertise of four groups to address central issues for photovoltaic cells based on t ...

  • Nanodraht-Thermoelektrika mittels Bismuth-basierten Heterostrukturen

    Fischer, Saskia, Prof. Dr. rer. nat. (New Materials)

    Duration of Project: 06/2017 - 05/2019

    Financer: BMBF
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