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Solar Energy Enabled for the World by High-resolution Imaging

Total Cost €


EC-Contrib. €






Project "SEEWHI" data sheet

The following table provides information about the project.


Organization address
postcode: 2800

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 Denmark [DK]
 Total cost 2˙000˙000 €
 EC max contribution 2˙000˙000 € (100%)
 Programme 1. H2020-EU.1.1. (EXCELLENT SCIENCE - European Research Council (ERC))
 Code Call ERC-2015-CoG
 Funding Scheme ERC-COG
 Starting year 2016
 Duration (year-month-day) from 2016-05-01   to  2021-04-30


Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 


 Project objective

THE GOAL We will derive new and fundamental insight in the relation between nano-scale structure and the performance of 3rd generation solar cells, and determine how to apply this in large-scale processing. THE CHALLENGES We currently have a superficial understanding of the correlations between structure and performance of photovoltaic heterojunctions, based on studies of small-scale devices and model systems with characterization techniques that indirectly probe their internal structure. The real structures of optimized devices have never been “seen”, and in devices manufactured by large-scale processing, almost nothing is known about the formation of structures and interfaces. THE SCIENCE We will take a ground-breaking new approach by combining imaging techniques where state of the art is moving in time spans on the order of months, with ultrafast scattering experiments and modelling. The techniques include high resolution X-ray phase contrast and X-ray dark-field tomography, in situ small and wide angle X-ray scattering, resonant scattering and imaging and time resolved studies of charge transport and transfer. To relate our findings to device performance, we will establish full 3D models of charge generation and transport in nano-structured solar cells. THE FOCUS Solution cast solar cells is the only technology that promises fast and cheap industrial scaling, and it is consequently the focus of our efforts. They require a tight control of processing conditions to ensure that the proper nano-structure is formed in the photoactive layers, with optimal contacts to charge transport layers and interfaces. The prime contenders are non-toxic polymer and kesterite solar cells. THE IMPACT Our results may advance 3rd generation, solution-cast solar cells to meet the “unification challenge” where high efficiency, stability and cheap processing combines in a single technology, scalable to the level of gigawatts per day, thus becoming a centrepiece in global energy supply.


year authors and title journal last update
List of publications.
2019 Suhao Wang, Daniele Fazzi, Yuttapoom Puttisong, Mohammad J. Jafari, Zhihua Chen, Thomas Ederth, Jens W. Andreasen, Weimin M. Chen, Antonio Facchetti, Simone Fabiano
Effect of Backbone Regiochemistry on Conductivity, Charge Density, and Polaron Structure of n-Doped Donor–Acceptor Polymers
published pages: 3395-3406, ISSN: 0897-4756, DOI: 10.1021/acs.chemmater.9b00558
Chemistry of Materials 31/9 2019-08-29
2019 C. Rein, S. Engberg, J.W. Andreasen
Stable, carbon-free inks of Cu2ZnSnS4 nanoparticles synthesized at room temperature designed for roll-to-roll fabrication of solar cell absorber layers
published pages: 63-71, ISSN: 0925-8388, DOI: 10.1016/j.jallcom.2019.02.014
Journal of Alloys and Compounds 787 2019-08-05
2018 Annika Richter
Electronic structure of materials for organic photovoltaics, Master Thesis
published pages: , ISSN: , DOI:
2019 Tiago Ramos, Bastian Ellegård Grønager, Martin Skovgaard Andersen, Jens Wenzel Andreasen
Direct three-dimensional tomographic reconstruction and phase retrieval of far-field coherent diffraction patterns
published pages: 023801 9 pages, ISSN: 2469-9934, DOI: 10.1103/physreva.99.023801
Physical Review A 99/2 2019-08-05
2019 Asmund Kjellegaard Ottesen
Timeresolved X-ray scattering from trajectories of molecular structures, Bachelor Thesis
published pages: , ISSN: , DOI:
2018 Bastian Ellegård Grønager
Non-linear algorithms for coherent diffraction imaging reconstruction, Bachelor Thesis
published pages: , ISSN: , DOI:
2016 Tim Vangerven, Pieter Verstappen, Nilesh Patil, Jan D’Haen, Ilaria Cardinaletti, Johannes Benduhn, Niko Van den Brande, Maxime Defour, Vincent Lemaur, David Beljonne, Roberto Lazzaroni, Benoit Champagne, Koen Vandewal, Jens W. Andreasen, Peter Adriaensens, Dag W. Breiby, Bruno Van Mele, Dirk Vanderzande, Wouter Maes, Jean Manca
Elucidating Batch-to-Batch Variation Caused by Homocoupled Side Products in Solution-Processable Organic Solar Cells
published pages: 9088-9098, ISSN: 0897-4756, DOI: 10.1021/acs.chemmater.6b04143
Chemistry of Materials 28/24 2019-06-18
2017 Anton V. Volkov, Kosala Wijeratne, Evangelia Mitraka, Ujwala Ail, Dan Zhao, Klas Tybrandt, Jens Wenzel Andreasen, Magnus Berggren, Xavier Crispin, Igor V. Zozoulenko
Understanding the Capacitance of PEDOT:PSS
published pages: 1700329, ISSN: 1616-301X, DOI: 10.1002/adfm.201700329
Advanced Functional Materials 27/28 2019-06-18
2018 Sam Rudd, Juan F. Franco-Gonzalez, Sandeep Kumar Singh, Zia Ullah Khan, Xavier Crispin, Jens W. Andreasen, Igor Zozoulenko, Drew Evans
Charge transport and structure in semimetallic polymers
published pages: 97-104, ISSN: 0887-6266, DOI: 10.1002/polb.24530
Journal of Polymer Science Part B: Polymer Physics 56/1 2019-06-18
2017 T. Ramos, J. S. Jørgensen, J. W. Andreasen
Automated angular and translational tomographic alignment and application to phase-contrast imaging
published pages: 1830, ISSN: 1084-7529, DOI: 10.1364/JOSAA.34.001830
Journal of the Optical Society of America A 34/10 2019-06-18

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