Roar R. Søndergaard

Roar R. Søndergaard

Senior Researcher

DTU ENERGY
Department of Energy Conversion and Storage

Technical University of Denmark

Frederiksborgvej 399

Building 111, room S13

4000 Roskilde

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2018
 

Mechanical stability of roll-to-roll printed solar cells under cyclic bending and torsion

Finn, Mickey ; Martens, Christian James ; Zaretski, Aliaksandr V. ; Roth, Bérenger ; Søndergaard, Roar R. ; Krebs, Frederik C ; Lipomi, Darren J.
in journal: Solar Energy Materials and Solar Cells (ISSN: 0927-0248) (DOI: http://dx.doi.org/10.1016/j.solmat.2017.08.015), vol: 174, pages: 7-15, 2018

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2018     |    DOI: http://dx.doi.org/10.1016/j.solmat.2017.08.015

2017
 

Improving, characterizing and predicting the lifetime of organic photovoltaics

Gevorgyan, Suren ; Heckler, Ilona Maria ; Bundgaard, Eva ; Corazza, Michael ; Hösel, Markus ; Søndergaard, Roar R. ; Benatto, Gisele Alves dos Reis ; Jørgensen, Mikkel ; Krebs, Frederik C
in journal: Journal of Physics D: Applied Physics (ISSN: 0022-3727) (DOI: http://dx.doi.org/10.1088/1361-6463/50/10/103001), vol: 50, issue: 10, pages: 1-35, 2017

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2017     |    DOI: http://dx.doi.org/10.1088/1361-6463/50/10/103001

2016
  PDF

The Organic Power Transistor: Roll-to-Roll Manufacture, Thermal Behavior, and Power Handling When Driving Printed Electronics

Pastorelli, Francesco ; Schmidt, Thomas Mikael ; Hösel, Markus ; Søndergaard, Roar R. ; Jørgensen, Mikkel ; Krebs, Frederik C
in journal: Advanced Engineering Materials (ISSN: 1438-1656) (DOI: http://dx.doi.org/10.1002/adem.201500348), vol: 18, issue: 1, pages: 51–55, 2016

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2016     |    DOI: http://dx.doi.org/10.1002/adem.201500348

 

Improving the Operational Stability of PBDTTTz-4 Polymer Solar Cells Modules by Electrode Modification

Roth, Bérenger ; Benatto, Gisele Alves dos Reis ; Corazza, Michael ; Carlé, Jon Eggert ; Helgesen, Martin ; Gevorgyan, Suren ; Jørgensen, Mikkel ; Søndergaard, Roar R. ; Krebs, Frederik C
in journal: Advanced Engineering Materials (ISSN: 1438-1656) (DOI: http://dx.doi.org/10.1002/adem.201500361), vol: 18, issue: 4, pages: 511-517, 2016

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2016     |    DOI: http://dx.doi.org/10.1002/adem.201500361

 

Lifetime of Organic Photovoltaics: Status and Predictions

Gevorgyan, Suren ; Madsen, Morten Vesterager ; Roth, Bérenger ; Corazza, Michael ; Hösel, Markus ; Søndergaard, Roar R. ; Jørgensen, Mikkel ; Krebs, Frederik C
in journal: Advanced Energy Materials (ISSN: 1614-6832) (DOI: http://dx.doi.org/10.1002/aenm.201501208), vol: 6, issue: 2, 2016

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2016     |    DOI: http://dx.doi.org/10.1002/aenm.201501208

 

Roll-to-roll printed silver nanowires for increased stability of flexible ITO-free organic solar cell modules

Benatto, Gisele Alves dos Reis ; Roth, Bérenger ; Corazza, Michael ; Søndergaard, Roar R. ; Gevorgyan, Suren ; Jørgensen, Mikkel ; Krebs, Frederik C
in journal: Nanoscale (ISSN: 2040-3364) (DOI: http://dx.doi.org/10.1039/c5nr07426f), vol: 8, pages: 318-326, 2016

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2016     |    DOI: http://dx.doi.org/10.1039/c5nr07426f

 

Flow Synthesis of Silver Nanowires for Semitransparent Solar Cell Electrodes: A Life Cycle Perspective

Espinosa Martinez, Nieves ; Søndergaard, Roar R. ; Jørgensen, Mikkel ; Krebs, Frederik C
in journal: ChemSusChem (Print) (ISSN: 1864-5631) (DOI: http://dx.doi.org/10.1002/cssc.201501437), vol: 9, issue: 8, pages: 893–899, 2016

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2016     |    DOI: http://dx.doi.org/10.1002/cssc.201501437

  PDF

Incineration of organic solar cells: Efficient end of life management by quantitative silver recovery

Søndergaard, Roar R. ; Zimmermann, Yannick Serge ; Espinosa Martinez, Nieves ; Lenz, Markus ; Krebs, Frederik C
in journal: Energy & Environmental Science (ISSN: 1754-5692) (DOI: http://dx.doi.org/10.1039/c6ee00021e), vol: 9, issue: 3, pages: 857-861, 2016

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2016     |    DOI: http://dx.doi.org/10.1039/c6ee00021e

 

Portable and wireless IV-curve tracer for >5 kV organic photovoltaic modules

Garcia Valverde, Rafael ; Chaouki-Almagro, Samir ; Corazza, Michael ; Espinosa Martinez, Nieves ; Hösel, Markus ; Søndergaard, Roar R. ; Jørgensen, Mikkel ; Villarejo, José A. ; Krebs, Frederik C
in journal: Solar Energy Materials and Solar Cells (ISSN: 0927-0248) (DOI: http://dx.doi.org/10.1016/j.solmat.2016.02.012), vol: 151, pages: 60-65, 2016

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2016     |    DOI: http://dx.doi.org/10.1016/j.solmat.2016.02.012

  PDF

Operational stability of large scale OPV modules: interfaces, materials selection and stack design

Roth, Bérenger ; Krebs, Frederik C (Supervisor) ; Søndergaard, Roar R. (Supervisor)
Department of Energy Conversion and Storage, Technical University of Denmark, (ISBN: 978-87-92986-49-8), pages: 135

Type: Ph.D. thesis

Status: Published     |    Year: 2016