All Stories

  1. Probing Molecular Orientation of Donors and Acceptors in All-Polymer Blend Films by Near-Edge X-Ray Absorption Fine Structure Spectroscopy

    Article • Journal of Physics Materials, February 2026, Institute of Physics Publishing

    Professor Ellen Moons, Andrea Muntean, Dr. Zewdneh Genene Wolkeba

  2. Effect of molecular structure on the photochemical stability of acceptor and donor polymers used in organic solar cells

    Article • Materials Advances, January 2024, Royal Society of Chemistry

    Dr. Zewdneh Genene Wolkeba, Professor Ellen Moons

  3. In situ monitoring drying process to disclose the correlation between the molecular weights of a polymer acceptor with a flexible spacer and the performance of all-polymer solar cells

    Article • Journal of Materials Chemistry C, January 2024, Royal Society of Chemistry

    Dr. Zewdneh Genene Wolkeba

  4. Donor–acceptor polymer complex formation in solution confirmed by spectroscopy and atomic-scale modelling

    Article • Journal of Materials Chemistry C, January 2023, Royal Society of Chemistry

    Dr. Zewdneh Genene Wolkeba, Professor Ellen Moons

  5. Donor-acceptor polymer complex formation in solution behind highly efficient all-polymer solar cells ?

    Article • February 2022, Fundacio Scito

    Dr. Zewdneh Genene Wolkeba

  6. Over 18% ternary polymer solar cells enabled by a terpolymer as the third component

    Article • Nano Energy, February 2022, Elsevier

    Dr. Zewdneh Genene Wolkeba

  7. A porphyrin pentamer as a bright emitter for NIR OLEDs

    Article • Journal of Materials Chemistry C, January 2022, Royal Society of Chemistry

    Professor of Physics Franco Cacialli, Dr. Zewdneh Genene Wolkeba

  8. Polymer Acceptors with Flexible Spacers Afford Efficient and Mechanically Robust All‐Polymer Solar Cells

    Article • Advanced Materials, December 2021, Wiley

    Dr. Zewdneh Genene Wolkeba

  9. Using Two Compatible Donor Polymers Boosts the Efficiency of Ternary Organic Solar Cells to 17.7%

    Article • Chemistry of Materials, September 2021, American Chemical Society (ACS)

    Dr. Zewdneh Genene Wolkeba

  10. Near‐Infrared Emission by Tuned Aggregation of a Porphyrin Compound in a Host–Guest Light‐Emitting Electrochemical Cell

    Article • Advanced Optical Materials, January 2021, Wiley

    Dr. Zewdneh Genene Wolkeba

  11. Highly Stable Indacenodithieno[3,2-b]thiophene-Based Donor–Acceptor Copolymers for Hybrid Electrochromic and Energy Storage Applications

    Article • Macromolecules, December 2020, American Chemical Society (ACS)

    Dr. Zewdneh Genene Wolkeba

  12. Expanded Multiband Super-Nyquist CAP Modulation for Highly Bandlimited Organic Visible Light Communications

    Article • IEEE Systems Journal, June 2020, Institute of Electrical & Electronics Engineers (IEEE)

    Professor of Physics Franco Cacialli, Dr. Zewdneh Genene Wolkeba, Professor Zabih Ghassemlooy

  13. Reduced Nonradiative Voltage Loss in Terpolymer Solar Cells

    Article • The Journal of Physical Chemistry Letters, April 2020, American Chemical Society (ACS)

    Dr. Zewdneh Genene Wolkeba

  14. Comparative study on the effects of alkylsilyl and alkylthio side chains on the performance of fullerene and non-fullerene polymer solar cells

    Article • Organic Electronics, February 2020, Elsevier

    Professor Wouter Maes, Dr. Zewdneh Genene Wolkeba

  15. Ladder-type high gap conjugated polymers based on indacenodithieno[3,2-b]thiophene and bithiazole for organic photovoltaics

    Article • Organic Electronics, November 2019, Elsevier

    Professor Wouter Maes, Dr. Zewdneh Genene Wolkeba

  16. Experimental Demonstration of Staggered CAP Modulation for Low Bandwidth Red-Emitting Polymer-LED Based Visible Light Communications

    Article • May 2019, Institute of Electrical & Electronics Engineers (IEEE)

    Professor of Physics Franco Cacialli, Dr. Zewdneh Genene Wolkeba

  17. Recent Advances in n‐Type Polymers for All‐Polymer Solar Cells

    Article • Advanced Materials, February 2019, Wiley

    Dr. Zewdneh Genene Wolkeba

  18. Diketopyrrolopyrrole-based terpolymers with tunable broad band absorption for fullerene and fullerene-free polymer solar cells

    Article • Journal of Materials Chemistry C, January 2019, Royal Society of Chemistry

    Professor Wouter Maes, Dr. Zewdneh Genene Wolkeba

  19. Structural engineering of pyrrolo[3,4-f]benzotriazole-5,7(2H,6H)-dione-based polymers for non-fullerene organic solar cells with an efficiency over 12%

    Article • Journal of Materials Chemistry A, January 2019, Royal Society of Chemistry

    Dr. Zewdneh Genene Wolkeba

  20. Efficient Near-Infrared Electroluminescence at 840 nm with “Metal-Free” Small-Molecule:Polymer Blends

    Article • Advanced Materials, July 2018, Wiley

    Professor of Physics Franco Cacialli, Dr. Zewdneh Genene Wolkeba

  21. High Performance All-Polymer Photodetector Comprising a Donor–Acceptor–Acceptor Structured Indacenodithiophene–Bithieno[3,4-c]Pyrroletetrone Copolymer

    Article • ACS Macro Letters, March 2018, American Chemical Society (ACS)

    Dr. Zewdneh Genene Wolkeba

  22. Ternary Organic Solar Cells with Minimum Voltage Losses

    Article • Advanced Energy Materials, July 2017, Wiley

    Dr. Zewdneh Genene Wolkeba

  23. High-Performance and Stable All-Polymer Solar Cells Using Donor and Acceptor Polymers with Complementary Absorption

    Article • Advanced Energy Materials, March 2017, Wiley

    Dr. Zewdneh Genene Wolkeba

  24. A comparative study of the photovoltaic performances of terpolymers and ternary systems

    Article • RSC Advances, January 2017, Royal Society of Chemistry

    Dr. Zewdneh Genene Wolkeba

  25. 9.0% power conversion efficiency from ternary all-polymer solar cells

    Article • Energy & Environmental Science, January 2017, Royal Society of Chemistry

    Dr. Zewdneh Genene Wolkeba

  26. High-photovoltage all-polymer solar cells based on a diketopyrrolopyrrole–isoindigo acceptor polymer

    Article • Journal of Materials Chemistry A, January 2017, Royal Society of Chemistry

    Dr. Zewdneh Genene Wolkeba

  27. Solar Cells: High Bandgap (1.9 eV) Polymer with Over 8% Efficiency in Bulk Heterojunction Solar Cells (Adv. Electron. Mater. 7/2016)

    Article • Advanced Electronic Materials, July 2016, Wiley

    Dr. Zewdneh Genene Wolkeba

  28. High Bandgap (1.9 eV) Polymer with Over 8% Efficiency in Bulk Heterojunction Solar Cells

    Article • Advanced Electronic Materials, May 2016, Wiley

    Dr. Zewdneh Genene Wolkeba

  29. Conjugated polymers with polar side chains in bulk heterojunction solar cell devices

    Article • Polymer International, September 2013, Wiley

    Dr. Zewdneh Genene Wolkeba