Opendata, web and dolomites


Defect Engineering, Advanced Modelling and Characterization for Next Generation Opto-Electronic-Ionic Devices

Total Cost €


EC-Contrib. €






 OptEIon project word cloud

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

evolution    sections    characterization    arrays    materials    simulation    recombination    outcome    constituents    emitting    linked    light    enhanced    suffers    neuromorphic    emerged    super    cross    transient    embodiments    questions    era    imaging    first    nature    solution    perovskite    ionic    bandgap    tip    location    resolution    diffusion    machine    processability    expertise    solar    learning    model    herald    formed    halide    memristor    follows    answers    constant    partial    computing    movement    degradation    electronic    material    losses    nano    techniques    efficient    conductivity    poorly    demonstrator    temperature    physical    diodes    memristors    defects    data    opteion    mobile    successful    lattice    hybrid    fabricating    perovskites    dimensional    stable    metal    spectroscopic    semiconductor    cells    device    clear    tunable    interesting    fourth    performance    combination    stoichiometry    physics    near    causing    outstanding    time    employ    optoelectronic    mixed    lower    examine    deteriorate    pressure   

Project "OptEIon" data sheet

The following table provides information about the project.


Organization address
postcode: 80539

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 Germany [DE]
 Total cost 1˙980˙735 €
 EC max contribution 1˙980˙735 € (100%)
 Programme 1. H2020-EU.1.1. (EXCELLENT SCIENCE - European Research Council (ERC))
 Code Call ERC-2019-STG
 Funding Scheme ERC-STG
 Starting year 2020
 Duration (year-month-day) from 2020-03-01   to  2025-02-28


Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 


 Project objective

Defects in semiconductor materials commonly deteriorate the performance of optoelectronic devices such as solar cells and light-emitting diodes. In the recently emerged and highly successful hybrid metal halide perovskite, some lattice defects are even mobile leading to mixed ionic-electronic conductivity. This and other outstanding properties (tunable bandgap, lower dimensional embodiments, solution processability) make the perovskite a very interesting material for research and application. At the same time, it suffers from various degradation processes, linked to these poorly understood ionic defects. The major questions are: Where and what are these defects? How are they formed and how can we control their movement? OptEIon will provide answers to these questions. Based on my expertise in the device physics and experience in perovskites I will proceed as follows: First, I will characterize the transient response of devices with different perovskite materials, different stoichiometry, partial pressure of constituents, temperature, etc. to find clear evidence for the nature of the mobile defects and their diffusion constant. Second, I will employ nano-scale characterization on cross sections of working devices to measure location and time evolution of defects causing recombination losses in solar cells. In addition to established measurement techniques, I will use tip-enhanced (near field) spectroscopic techniques, which can provide super-resolution imaging. Third, I will apply device simulation to examine the measurement results. I will furthermore evaluate how machine learning in combination with our physical model could be implemented to help analyse device data. Fourth, I will exploit the results by fabricating demonstrator memristor arrays that can be controlled by light. The outcome will be more efficient and stable solar cells and novel optoelectronic devices such as memristors, which are supposed to herald a new era of neuromorphic computing.

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The information about "OPTEION" are provided by the European Opendata Portal: CORDIS opendata.

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