Talks and Presentations

... by CK and group members since 2020 (fall).

Selected Talks by CK

  • Lecture @ Chemistry Colloquium in Dortmund, January 21, 2025. (invited)
  • Lecture @ GDCh Colloquium in Magdeburg, December 12, 2024. (invited)
  • Lecture @ Indo-German Workshop 2024 to be held in Amritsar, India,
    November 12 – 15, 2024. (invited)
  • Lecture @ GDCh Colloquium in Kaiserslautern, October 29, 2024. (invited)
  • Lecture @ Harnessing Light Energy with Molecules Symposium
     in Limburg, October 8     – 10, 2024. (invited award lecture)

      2024

  • "New methods in photochemistry and photocatalysis - Insights from spectroscopy" Lecture @ Dream Reactions Symposium, Münster, August 29, 2024. (invited)
  • "Efficient one- and novel two-photon mechanisms in photocatalysis" Lecture @ NC State University,
    Raleigh, July 26, 2024. (invited)
  • "More Sustainability in Photochemistry" Lecture @ Foster Summer School (Sustainable
    Chemistry), Mainz, July 25, 2024. (online)
  • "Upconversion-driven photoreactions: Annihilator design and mechanistic studies" Short Talk @ ISPF2
    conference in New York City, July 24, 2024.
  • "UV light generation and challenging photoreactions enabled by photon upconversion"
    Lecture @ 4th Frontiers In Photochemistry Conference, Lisboa, July 11, 2024. (invited)
  • "Photochemistry with one or two photons, electrons and sometimes protons" Lecture @
    CRC1633 Colloquium in Göttingen, July 4, 2024. (invited)
  • "Efficient one- and novel two-photon mechanisms in photocatalysis" Lecture @ Organic/Macromolecular Chemistry/CataLight/GDCh Colloquium in Jena, May 27, 2024. (invited)
  • "Tailor-made metal complexes for efficient light-driven applications" Tenure evaluation talk @ JGU Mainz, April 3, 2024.
  • "Photocatalysis meets time-resolved spectroscopy" Keynote Lecture @ Bunsen-Tagung (PCCP session) in Aachen, March 26, 2024. (invited)
  • "Tailor-made metal complexes for efficient light-driven applications" Lecture @ Inorganic Chemistry Colloquium in Clausthal, March 20, 2024. (invited)

      2023

  • "One UV photon or two visible photons, that is the question" Lecture @ Organic Chemistry Colloquium in Münster, November 9, 2023. (invited)
  • "Key Steps in One- and Two-Photon Mechanisms for Light-Induced Transformations"
    Keynote lecture @ 1st Conference on Light Induced Transformations in Regensburg,
    October 4, 2023. (invited)
  • "One UV photon or two visible photons, that is the question"
    Lecture @ Kyushu University, July 31, 2023. (invited)
  • "UV light generation and challenging photoreactions enabled by photon upconversion"
    Short talk @ 31st International Conference on Photochemistry in Sapporo (July 24, 2023)
  • "One UV photon or two visible photons, that is the question"
    Short Talk @ Steinheimer Gespräche in Mainz, June 15, 2023. (invited)
  • "More Sustainability in Photochemistry"
    Award lecture @ Dies Academicus in Mainz, June 14, 2023. (invited)
  • "One UV photon or two visible photons, that is the question"
    Lecture @ MPI-P seminar (Dept. Bonn) in Mainz, May 30, 2023. (invited)
  • "One UV photon or two blue photons, that is the question"
    Lecture @ Tri-national Conference on Photochemistry, Photophysics and Photosciences
    in Mulhouse,     May 15, 2023. (invited)
  • Tutorial lecture on "Mechanistic studies in photochemistry" @ Lorentz Workshop
    in Leiden, March 29, 2023. (invited)
  • "One UV photon or two visible photons, that is the question" Chemiedozententagung @
    TU Dresden, March 15, 2023.
  • "Efficient one and novel two photon mechanisms" Chemiedozententagung @
    TU Dresden, March 13, 2023. (invited award lecture)
  • "Photoactive metal complex or organic photosensitizer, that is the question"
    Keynote lecture @ JuWöV Webinar, March 6, 2023 (invited)

    2022

  • Keynote lecture @ Christmas Symposium in Basel, December 2, 2022. (invited)
  • Talk @ Indo German Week of the Young Researcher in New Delhi, November 10, 2022. (invited)
  • "Efficient one- and two-photon mechanisms" 11th Research Group Symposium @ JGU Mainz, November 7, 2022. (virtual)
  • Bernese Chemical Society talk @ University of Bern, September 28, 2022. (invited)
  • "Two-photon chemistry with diode-based light sources"
    Keynote lecture @ Summerschool of the research training group "Complex Light Control",
    August 30, 2022. (invited)
  • "Challenging reactions under mild conditions via upconversion" 28th IUPAC International Symposium on Photochemistry @ Amsterdam, July 19, 2022.
  • "Paving the way for more efficient photochemical processes by time-resolved laser spectroscopy" CNC-Young Investigator Seminar (YIS) Series @ Uni Würzburg, July 1, 2022. (invited)
  • "Two-photon mechanisms in photochemistry" Light Regulation Workshop @ Bad Homburg,
    April 29, 2022.
  • "UV light generation and challenging photoreactions enabled by blue-light driven upconversion" Chemiedozententagung @ Saarland University, March 21, 2022.
  • "Paving the way for efficient photochemical mechanisms by time-resolved laser spectroscopy" Department Seminar @ Uni Frankfurt, February 9, 2022. (invited)
  • "Efficient one and two photon mechanisms: From heavy atom and spin effects in photocatalysis to blue-light driven upconversion"
    Lieseberg-Kolloquium @ Uni Heidelberg, January 10, 2022. (invited)

    2021

  • "Paving the way for efficient one- and two-photon mechanisms by time-resolved spectroscopy" Department Seminar @ TU Braunschweig, December 9, 2021. (invited)
  • "Efficient one and two photon mechanisms: From heavy atom and spin effects in photocatalysis to blue-light driven upconversion" CataLight Young Scientist Symposium 2021, September 21, 2021. (invited keynote lecture)
  • “Circumventing or exploiting heavy atom and spin effects for more efficient photoreactions”
    International Conference on Photochemistry (ICP) 2021 (Online), July 22, 2021.
  • “A new concept to generate reduced metal complexes for more efficient
    photocatalysis” French Swiss Photochemistry Symposium (Online), January 21, 2021.*

    2020

  • “Two-photon mechanisms for more sustainability in photochemistry” DFG
    (Online), November 4, 2020.
  • “Two-photon mechanisms for more sustainability in photochemistry” Inaugural Lecture (Online), October 19, 2020, Mainz.
  • "Two-Photon Processes in Water and Their Applications to Challenging Chemical Transformations"
    27th Lecture Conference on Photochemistry (Online), September 14 – 15, 2020.

Selected Poster Presentations and Talks by Group Members

 

  • "New Pathways for Multi-Photon Excitation in Photo(redox) Catalysis”,25th International Symposium on the Photochemistry and Photophysics of Coordination Compounds, July 26, 2023 (Poster, FG)
  • "Photocatalytic reductions of challenging substrates in air-saturated water – Efficient applications and mechanistic insights" 25th International Symposium on the Photochemistry and Photophysics of Coordination Compounds, Ulm, July 25 – 29, 2023 (Poster, AS)
  • "Water-soluble ruthenium complex–pyrene dyads for efficient energy transfer photocatalysis", 25th International Symposium on the Photochemistry and Photophysics of Coordination Compounds, Ulm, July 25 – 29, 2023. (Poster, MS)
  • "New Pathways for Photoredox Catalysis Using Sensitized Triplet-Triplet Annihilation Upconversion”, Young Symposium on the Photochemistry and Photophysics of Coordination Compounds (ySPPCC), July 24, 2023 (Talk, FG)
  • "Multi-Photon Excitations in Photoredox Catalysis: Applications and Mechanisms” Joint Seminar of Inorganic Chemistry Groups at JGU Mainz, July 13, 2023 (Talk, FG)
  • "Multi-Photon Excitations in Photoredox Catalysis: Red Light Applications and Mechanisms” Hausvortrag at JGU Mainz, May 31, 2023. (Talk, FG)
  • "Water-soluble ruthenium complex–pyrene dyads for efficient energy transfer photocatalysis"
    Photocatalysis Workshop @ Lorentz Center in Leiden, March 27 – 30, 2023. (Poster, MS)
  • "Blue-to-UVB Upconversion, Solvent Sensitization and Challenging Bond Activation Enabled by a Benzene-Based Annihilator" 1st Photochem. Conference by Q-Pit of the Kyushu University, Karatsu, February 3 – 4, 2023 (Poster, JM)
  • "The first benzene-based annihilator for blue-to-UVB Upconversion: Properties and applicability" 3rd Kyushu-Mainz Chemistry Symposium, Kyushu University, December 1, 2022 (Talk, JM)
  • "Research in the Kerzig group" 11th Research Group Symposium @ JGU Mainz, November 10, 2022. (MSB, TZ, AS, MS)
  • "Blue-to-UV upconversion enabled by novel annihilators and subsequent FRET activation of UV absorbing compounds" 3rd International Symposium on Singlet Fission and Photon Fusion, Milano, October 10 – 13, 2022 (Talk, TZ)
  • "Blue-to-UV upconversion enabled by novel annihilators and subsequent FRET activation of UV absorbing compounds" 28th Lecture Conference on Photochemistry, Düsseldorf, September 19 – 21, 2022 (Poster, TZ)
  • "Energy and electron transfer photochemistry in water – controlling the quenching pathway and photocatalytic applications" 28th Lecture Conference on Photochemistry, Düsseldorf, September 19 – 21, 2022 (Poster, MSB)
  • "Water-Soluble Ruthenium Complex-Pyrene Dyads – Synthesis, Photophysics and Energy Transfer Applications" 28th Lecture Conference on Photochemistry, Düsseldorf, September 19 – 21, 2022. (Talk, AS)
  • “Triplett Reaktivität wasserlöslicher p-Terphenyl Derivate für nachhaltige Photokatalyse” FCI (German Chemical Industry Funds) PhD fellow meeting at JGU Mainz, August 11, 2022. (Talk, MSB)
  • “Molecular dyads without a covalent bond” Joint Seminar of Inorganic Chemistry Groups at JGU Mainz, July 14, 2022. (Talk, MS)
  • “Water-Soluble Ruthenium Complex-Pyrene Dyads – Synthesis, Photophysics and Energy Transfer Applications” Joint Seminar of Inorganic Chemistry Groups at JGU Mainz, July 14, 2022. (Talk, AS)
  • " 'Photonen fusionieren' Hohe Reaktivitäten und nachhaltige Erzeugung energiereicher UV-Strahlung durch Aufwärtskonversion" PhD scholarship introductory seminar by the DBU (Deutsche Bundesstiftung Umwelt), Osnabrück, June 27 –  July 1, 2022. (Talk, TZ)
  • “Blue-to-UV upconversion systems with unprecedented properties enabled by novel annihilators” Central European Conference on Photochemistry, Bad Hofgastein, February 13 – 17, 2022. (Talk, TZ)
  • “Exploring p-terphenyl derivatives for LED-driven photocatalysis in water” Central European Conference on Photochemistry, Bad Hofgastein, February 13 – 17, 2022. (Talk, MSB)
  • “Photocatalytic hydrogenation reactions in air-saturated water – Efficient applications and mechanistic insights” Central European Conference on Photochemistry, Bad Hofgastein, February 13 – 17, 2022. (AS)
  • “Paving the way for efficient one- and two-photon mechanisms by optical spectroscopy” Central European Conference on Photochemistry, Bad Hofgastein, February 13 – 17, 2022. (CK)
  • “Blue-to-UV upconversion enabled by highly energetic novel annihilators” Joint Seminar of Inorganic Chemistry Groups at JGU Mainz (Online), January 6, 2022. (Talk, TZ)
  • “Paving the way for efficient one- and two-photon mechanisms by optical spectroscopy” AK Symposium Department of Chemistry @ JGU Mainz, October 26, 2021. (CK)
  • “Efficient one-photon driven catalysis by coupled energy and electron transfer” CataLight Young Scientist Symposium 2021, September 28, 2021. (MSB)
  • “Water-soluble p-terphenyl derivatives for sustainable photoredox chemistry” Joint Seminar of Inorganic Chemistry Groups at JGU Mainz (Online), June 24, 2021. (Talk, MSB)
  • “A p-terphenyl derivative as versatile organo-photocatalyst for sustainable electron and energy-transfer reactions” JCF Frühjahrssymposium (Online), March 29 – April 1, 2021. (MSB)
  • “An SO2-bridged p-terphenyl as versatile organo-photocatalyst under sustainable reaction conditions” Catalight Young Scientist Symposium: Light Driven Catalysis (Online), November 19, 2020. (MSB)
  • “How an SO2-bridge enables intersystem crossing and photocatalytic applications of a water-soluble p-terphenyl derivative” 27th Lecture Conference on Photochemistry (Online), September 14 – 15, 2020. (MSB)