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Communication

Spin-Cast Bulk Heterojunction Solar Cells: A Dynamical Investigation

  1. Kang Wei Chou1,
  2. Buyi Yan1,
  3. Ruipeng Li1,
  4. Er Qiang Li1,
  5. Kui Zhao1,
  6. Dalaver H. Anjum1,
  7. Steven Alvarez2,
  8. Robert Gassaway2,
  9. Alan Biocca2,
  10. Sigurdur T. Thoroddsen1,
  11. Alexander Hexemer2,
  12. Aram Amassian1,*

Article first published online: 22 FEB 2013

DOI: 10.1002/adma.201203440

Issue

Advanced Materials

Advanced Materials

Special Issue: Organic Electronics

Volume 25, Issue 13, pages 1923–1929, April 4, 2013

Additional Information

How to Cite

Chou, K. W., Yan, B., Li, R., Li, E. Q., Zhao, K., Anjum, D. H., Alvarez, S., Gassaway, R., Biocca, A., Thoroddsen, S. T., Hexemer, A. and Amassian, A. (2013), Spin-Cast Bulk Heterojunction Solar Cells: A Dynamical Investigation. Adv. Mater., 25: 1923–1929. doi: 10.1002/adma.201203440

Author Information

  1. 1

    Physical Sciences and Engineering Division, King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Saudi Arabia

  2. 2

    Advanced Light Source, Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA

*Physical Sciences and Engineering Division, King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Saudi Arabia.

Publication History

  1. Issue published online: 2 APR 2013
  2. Article first published online: 22 FEB 2013
  3. Manuscript Revised: 23 JAN 2013
  4. Manuscript Received: 20 AUG 2012

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Keywords:

  • organic photovoltaics;
  • bulk heterojunction;
  • spin casting;
  • time-resolved grazing incidence small and wide angle x-ray scattering;
  • in situ spectral reflectometry
Thumbnail image of graphical abstract

Spin-coating is extensively used in the lab-based manufacture of organic solar cells, including most of the record-setting solution-processed cells. We report the first direct observation of photoactive layer formation as it occurs during spin-coating. The study provides new insight into mechanisms and kinetics of bulk heterojunction formation, which may be crucial for its successful transfer to scalable printing processes.

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