Forthcoming Events

07.06.2022 - 10.06.2022, Grindelwald, Switzerland
20.06.2022 - 23.06.2022, SLAC National Accelerator Laboratory
27.06.2022 - 29.06.2022, University College London, UK

News

New scientific highlight- by MUST PI Richardson
FELs of Europe prize for Jeremy Rouxel- “Development or innovative use of advanced instrumentation in the field of FELs”
Ruth Signorell wins Doron prizefor pioneering contributions to the field of fundamental aerosol science
New FAST-Fellow Uwe Thumm at ETH- lectures on Topics in Femto- and Attosecond Science
International Day of Women and Girls in Science- SSPh asked female scientists about their experiences
New scientific highlight- by MUST PIs Milne, Standfuss and Schertler
EU XFEL Young Scientist Award for Camila Bacellar,beamline scientist and group leader of the Alvra endstation at SwissFEL
Prizes for Giulia Mancini and Rebeca Gomez CastilloICO/IUPAP Young Scientist Prize in Optics & Ernst Haber 2021
Nobel Prize in Chemistry awarded to RESOLV Member Benjamin List- for the development of asymmetric organocatalysis
NCCR MUST at Scientifica 2021- Lightning, organic solar cells, and virtual molecules
#NCCRWomen- NCCR MUST celebrates 50 years women’s right to vote in Switzerland
Kick-Off dynaMENT Mentoring for Women in Natural Sciences- with Ursula Keller as plenary speaker
Four new scientific highlights- by MUST PIs Chergui / Milne / Beaud / Staub, by Wolf / Röthlisberger, by Wörner, and Keller

Natalie Banerji

August 2016

Prof. Natalie Banerji received the ERC stating grant for her project "Organic Semiconductors InteRfaced with biological environmentS - OSIRIS"

Since 2014 she leads the FemtoMat research group at the University of Fribourg, which is focused on Femtosecond Spectroscopy of Organic Electronic Materials. She investigates what happens on the ultrashort time scale and ultrasmall length scale in organic and hybrid materials in order to induce macroscopic function in electronic devices, and how this can be optimized. We use a complementary palette of techniques combining time-resolved spectroscopy, pulsed photocurrent methods, terahertz experiments, Stark-effect spectroscopy and device testing. She is a tenured Associate Professor and also obtained a Stipend Professorship Grant (1.6 mio CHF) by the Swiss National Science Foundation. Previously, she was an Ambizione Fellow at the Ecole Polytechnique Fédérale de Lausanne (EPFL, 2011-2014). She has obtained her Ph.D. in Physical Chemistry in 2009 from the University of Geneva (with Prof. Eric Vauthey) and has spent two years as a Post-Doctoral Researcher at UC Santa Barbara with Prof. Alan Heeger.

Transducing information to and from biological environments is essential for bioresearch, neuroscience and healthcare. There has been recent focus on using organic semiconductors to interface the living world, since their structural similarity to bio-macromolecules strongly favours their biological integration. Either water-soluble conjugated polyelectrolytes are dissolved in the biological medium, or solid-state organic thin films are incorporated into bioelectronic devices. Proof-of-concept of versatile applications has been demonstrated – sensing, neural stimulation, transduction of brain activity, and photo-stimulation of cells.
However, progress in the organic biosensing and bioelectronics field is limited by poor understanding of the underlying fundamental working principles. Given the complexity of the disordered, hybrid solid-liquid systems of interest, gaining mechanistic knowledge presents a considerable scientific challenge. The objective of OSIRIS is to overcome this challenge with a high-end spectroscopic approach, at present essentially missing from the field. We will address:
  1. The nature of the interface at molecular and macroscopic level (assembly of polyelectrolytes with bio-molecules, interfacial properties of immersed organic thin films).
  2. How the optoelectronics of organic semiconductors are affected upon exposure to aqueous environments containing electrolytes, biomolecules and cells.
  3. How information is transduced across the interface (optical signals, thermal effects, charge transfer, electric fields, interplay of electronic/ionic transport).
Via spectroscopy, we will target relevant optoelectronic processes with ultrafast time-resolution, structurally characterize the solid-liquid interface using non-linear sum-frequency generation, exploit Stark shifts related to interfacial fields, determine nanoscale charge mobility using terahertz spectroscopy in attenuated total reflection geometry, and simultaneously measure ionic transport.

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