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Organic Semiconductors Interfaced with Biological Environments

Total Cost €


EC-Contrib. €






 OSIRIS project word cloud

Explore the words cloud of the OSIRIS project. It provides you a very rough idea of what is the project "OSIRIS" about.

fundamental    signals    structural    frequency    transfer    biological    bio    favours    disordered    complexity    cells    underlying    bioelectronic    demonstrated    sensing    hybrid    incorporated    proof    progress    principles    either    molecules    optoelectronic    environments    terahertz    linear    total    bioelectronics    macroscopic    structurally    limited    attenuated    neural    thermal    living    electrolytes    nature    similarity    semiconductors    macromolecules    overcome    shifts    thin    biomolecules    spectroscopy    poor    containing    water    mechanistic    medium    liquid    organic    biosensing    resolution    geometry    simultaneously    soluble    transport    mobility    immersed    aqueous    interplay    neuroscience    films    transduced    exposure    polyelectrolytes    gaining    of    integration    interfacial    nanoscale    world    transducing    healthcare    optical    stimulation    generation    charge    versatile    assembly    scientific    photo    considerable    stark    bioresearch    reflection    ultrafast    conjugated    spectroscopic    osiris    dissolved    time    ionic    interface    optoelectronics    brain    solid    sum    transduction    electronic    molecular    electric    essentially    missing   

Project "OSIRIS" data sheet

The following table provides information about the project.


Organization address
city: BERN
postcode: 3012

contact info
title: n.a.
name: n.a.
surname: n.a.
function: n.a.
email: n.a.
telephone: n.a.
fax: n.a.

 Coordinator Country Switzerland [CH]
 Total cost 1˙498˙275 €
 EC max contribution 1˙498˙275 € (100%)
 Programme 1. H2020-EU.1.1. (EXCELLENT SCIENCE - European Research Council (ERC))
 Code Call ERC-2016-STG
 Funding Scheme ERC-STG
 Starting year 2017
 Duration (year-month-day) from 2017-08-01   to  2022-07-31


Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 
1    UNIVERSITAET BERN CH (BERN) coordinator 1˙498˙275.00


 Project objective

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.


year authors and title journal last update
List of publications.
2019 Demetra Tsokkou, Lisa Peterhans, David Xi Cao, Cheng‐Kang Mai, Guillermo C. Bazan, Thuc‐Quyen Nguyen, Natalie Banerji
Excited State Dynamics of a Self‐Doped Conjugated Polyelectrolyte
published pages: 1906148, ISSN: 1616-301X, DOI: 10.1002/adfm.201906148
Advanced Functional Materials 30/9 2020-04-01
2020 Philipp Krauspe, Natalie Banerji, Julien Réhault
Effective detection of weak terahertz pulses in electro-optic sampling at kilohertz repetition rate
published pages: 127, ISSN: 0740-3224, DOI: 10.1364/josab.37.000127
Journal of the Optical Society of America B 37/1 2020-04-01

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