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Electronics and Electrical Engineering

D-Index
78
Citations
21424
World Ranking
586
National Ranking
16

Materials Science

D-Index
81
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24845
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2579
National Ranking
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Research.com Recognitions

  • 2019 - OSA Fellows Uli Lemmer Karlsruhe Institute of Technology, Germany For developing a vision for an international education program in optics that appreciates its importance as an enabling technology

Overview

Uli Lemmer is affiliated with the Karlsruhe Institute of Technology in Germany. Their academic work primarily spans the fields of engineering and materials science, with significant contributions to electrical and electronic engineering, materials chemistry, and biomedical engineering. They also have research interests in polymers and plastics, as well as atomic and molecular physics and optics.

The scientist's main research topics include perovskite materials and applications, conducting polymers and their applications, advanced sensor and energy harvesting materials, quantum dots synthesis and properties, organic electronics and photovoltaics, advanced thermoelectric materials and devices, and organic light-emitting diodes research.

Some of the recent papers by Uli Lemmer include:

  • Two birds with one stone: dual grain-boundary and interface passivation enables >22% efficient inverted methylammonium-free perovskite solar cells, 2021, Energy & Environmental Science
  • 2D/3D Heterostructure for Semitransparent Perovskite Solar Cells with Engineered Bandgap Enables Efficiencies Exceeding 25% in Four-Terminal Tandems with Silicon and CIGS, 2020, Advanced Functional Materials
  • Fully printed origami thermoelectric generators for energy-harvesting, 2021, npj Flexible Electronics
  • Scalable two-terminal all-perovskite tandem solar modules with a 19.1% efficiency, 2022, Nature Energy
  • High Efficiency Perovskite-Silicon Tandem Solar Cells: Effect of Surface Coating versus Bulk Incorporation of 2D Perovskite, 2020, Advanced Energy Materials

Uli Lemmer frequently collaborates with other researchers, including Ulrich W. Paetzold, Leonard Franke, Gerardo Hernandez-Sosa, Md Mofasser Mallick, and Bryce S. Richards. These collaborations contribute to a diverse range of publications and research outputs.

The scientist publishes regularly in several academic journals, with the most frequent venues including Advanced Materials Technologies, Advanced Optical Materials, Advanced Functional Materials, ACS Applied Materials & Interfaces, and Advanced Energy Materials.

Lemmer was recognized as an OSA Fellow in 2019 for developing a vision for an international education program in optics that underscores its importance as an enabling technology.

Best Publications

  • Near-infrared imaging with quantum-dot-sensitized organic photodiodes

    Tobias Rauch;Michaela Böberl;Sandro F. Tedde;Jens Fürst;Jens Fürst

  • EXCITON DIFFUSION AND DISSOCIATION IN CONJUGATED POLYMER/FULLERENE BLENDS AND HETEROSTRUCTURES

    A. Haugeneder;M. Neges;C. Kallinger;W. Spirkl

  • Femtosecond energy relaxation in π-conjugated polymers

    R. Kersting;R. Kersting;U. Lemmer;U. Lemmer;R. F. Mahrt;R. F. Mahrt;K. Leo;K. Leo

  • AGGREGATE FLUORESCENCE IN CONJUGATED POLYMERS

    U. Lemmer;S. Heun;R.F. Mahrt;Ullrich Scherf

  • ULTRAFAST FIELD-INDUCED DISSOCIATION OF EXCITONS IN CONJUGATED POLYMERS

    R. Kersting;U. Lemmer;M. Deussen;H. J. Bakker

  • Optically Induced Damping of the Surface Plasmon Resonance in Gold Colloids

    M. Perner;P. Bost;U. Lemmer;G. von Plessen

  • Record Open-Circuit Voltage Wide-Bandgap Perovskite Solar Cells Utilizing 2D/3D Perovskite Heterostructure

    Saba Gharibzadeh;Bahram Abdollahi Nejand;Marius Jakoby;Tobias Abzieher

  • X-ray imaging with scintillator-sensitized hybrid organic photodetectors

    Patric Büchele;Patric Büchele;Moses Richter;Sandro F. Tedde;Gebhard J. Matt

  • A flexible conjugated polymer laser

    Christian Kallinger;Martin Hilmer;Andreas Haugeneder;Martin Perner

  • Size-dependent absolute quantum yields for size-separated colloidally-stable silicon nanocrystals.

    Melanie L. Mastronardi;Florian Maier-Flaig;Daniel Faulkner;Eric J. Henderson

  • Multicolor Silicon Light-Emitting Diodes (SiLEDs)

    Florian Maier-Flaig;Julia Rinck;Moritz Stephan;Tobias Bocksrocker

  • Conformational effects in poly(p-phenylene vinylene)s revealed by low-temperature site-selective fluorescence

    S. Heun;R. F. Mahrt;Andreas Greiner;Ulrich Lemmer

  • Conjugated polymers: lasing and stimulated emission

    Ullrich Scherf;S. Riechel;U. Lemmer;R. F. Mahrt

  • Two birds with one stone: dual grain-boundary and interface passivation enables >22% efficient inverted methylammonium-free perovskite solar cells

    Saba Gharibzadeh;Paul Fassl;Ihteaz M. Hossain;Pascal Rohrbeck

  • A nearly diffraction limited surface emitting conjugated polymer laser utilizing a two-dimensional photonic band structure

    S. Riechel;C. Kallinger;U. Lemmer;J. Feldmann

  • Molecular construction kit for tuning solubility, stability and luminescence properties: Heteroleptic MePyrPHOS-copper iodide-complexes and their application in organic light-emitting diodes

    Daniel Volz;Daniel M. Zink;Tobias Bocksrocker;Jana Friedrichs

  • Coated and Printed Perovskites for Photovoltaic Applications.

    Ian A. Howard;Tobias Abzieher;Ihteaz M. Hossain;Helge Eggers

  • Inkjet-Printed Micrometer-Thick Perovskite Solar Cells with Large Columnar Grains

    Helge Eggers;Fabian Schackmar;Tobias Abzieher;Qing Sun

  • Efficiency Enhancement of Organic and Thin-Film Silicon Solar Cells with Photochemical Upconversion

    Tim F. Schulze;Jens Czolk;Yuen Yap Cheng;Burkhard Fückel

  • Inkjet-Printed Triple Cation Perovskite Solar Cells

    Florian Mathies;Helge Eggers;Bryce Sydney Richards;Gerardo Hernandez-Sosa

  • Ultrafast dynamics of charge carrier photogeneration and geminate recombination in conjugated polymer:fullerene solar cells

    J. G. Müller;J. M. Lupton;J. Feldmann;U. Lemmer

  • Moving through the phase diagram: morphology formation in solution cast polymer-fullerene blend films for organic solar cells.

    Benjamin Schmidt-Hansberg;Monamie Sanyal;Michael F. G. Klein;Marina Pfaff

Frequent Co-Authors

Alexander Colsmann
Alexander Colsmann Karlsruhe Institute of Technology
Ulrich W. Paetzold
Ulrich W. Paetzold Karlsruhe Institute of Technology
Bryce S. Richards
Bryce S. Richards Karlsruhe Institute of Technology
Ian A. Howard
Ian A. Howard Karlsruhe Institute of Technology
Ullrich Scherf
Ullrich Scherf University of Wuppertal
Jochen Feldmann
Jochen Feldmann Ludwig-Maximilians-Universität München
Michael Powalla
Michael Powalla Karlsruhe Institute of Technology
Heinz Kalt
Heinz Kalt Karlsruhe Institute of Technology
Dagmar Gerthsen
Dagmar Gerthsen Karlsruhe Institute of Technology
Hendrik Hölscher
Hendrik Hölscher Karlsruhe Institute of Technology

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