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: Solar Energy Materials and Solar Cells, vol: 174, pages: 7-15

Type: Journal article (Peer reviewed)

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

2017
  PDF

Improving, characterizing and predicting the lifetime of organic photovoltaics

Gevorgyan, Suren A. ; Heckler, Ilona Maria ; Bundgaard, Eva ; Corazza, Michael ; Hösel, Markus ; Søndergaard, Roar R. ; Benatto, Gisele Alves dos Reis ; Jørgensen, Mikkel ; Krebs, Frederik C
in: Journal of Physics D: Applied Physics, vol: 50, issue: 10, pages: 1-35

Type: Journal article (Peer reviewed)

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

 

Overcoming the Scaling Lag for Polymer Solar Cells

Carlé, Jon Eggert ; Helgesen, Martin ; Hagemann, Ole ; Hösel, Markus ; Heckler, Ilona Maria ; Bundgaard, Eva ; Gevorgyan, Suren ; Søndergaard, Roar R. ; Jørgensen, Mikkel ; Garcia Valverde, Rafael ; Chaouki-Almagro, Samir ; Villarejo, José A. ; Krebs, Frederik C
in: Joule, vol: 1, issue: 2, pages: 274-289

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2017     |    DOI: https://doi.org/10.1016/j.joule.2017.08.002

2016
 

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: ChemSusChem (Print), vol: 9, issue: 8, pages: 893–899

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2016     |    DOI: https://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: Energy & Environmental Science, vol: 9, issue: 3, pages: 857-861

Type: Journal article (Peer reviewed)

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

 

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: Advanced Energy Materials, vol: 6, issue: 2

Type: Journal article (Peer reviewed)

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

 

Mechanical Properties of a Library of Low-Band-Gap Polymers

Roth, Bérenger ; Savagatrup, Suchol ; de los Santos, Nathaniel V. ; Hagemann, Ole ; Carlé, Jon Eggert ; Helgesen, Martin ; Livi, Francesco ; Bundgaard, Eva ; Søndergaard, Roar R. ; Krebs, Frederik C ; Lipomi, Darren J.
in: Chemistry of Materials, vol: 28, issue: 7, pages: 2363-2373

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2016     |    DOI: https://doi.org/10.1021/acs.chemmater.6b00525

 

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: Solar Energy Materials and Solar Cells, vol: 151, pages: 60-65

Type: Journal article (Peer reviewed)

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