Calvyn Howells, Ph.D.

Alumni and Former Staff

​Postdoctoral Fellow in McCulloch group

Research Interests

​Organic semiconductor physics and devices

Selected Publications

  • Influence of perfluorinated ionomer in PEDOT:PSS on the rectification and degradation of organic photovoltaic cells 
    Howells, C. T., Saylan, S., Kim, H., Marbou, K., Aoyama, T., Nakao, A., . . . André, P. 
    Journal of Materials Chemistry A, 6(33), 16012-16028, (2018)
  • Integrating sphere based reflectance measurements for small-area semiconductor samples 
    Saylan, S., Howells, C. T., & Dahlem, M. S.
    Review of Scientific Instruments, 89(5), 053101, (2018)
  • Enhanced organic solar cells efficiency through electronic and electro-optic effects resulting from charge transfer... 
    Howells, C. T., Marbou, K., Kim, H., Lee, K. J., Heinrich, B., Kim, S. J., . . . Andre, P.
    Journal of Materials Chemistry A, 4(11), 4252-4263., (2016)
  • Charge transport in a two-dimensional molecular organic semiconductor 
    Arumugam, S., Wright, I. A., Inigo, A. R., Gambino, S., Howells, C. T., Kanibolotsky, A. L...
    Journal of Materials Chemistry C, 2(1), 34-39., (2014)
  • Determining the optimum morphology in high-performance polymer-fullerene organic photovoltaic cells. 
    Hedley, G. J., Ward, A. J., Alekseev, A., Howells, C. T., Martins, E. R., Serrano, L. A., ...
    Nat Commun, 4., (2013)
  • Bodipy-based conjugated polymers for broadband light sensing and harvesting applications 
    Cortizo-Lacalle, D., Howells, C. T., Gambino, S., Vilela, F., Vobecka, Z., Findlay, N. J.,...
    Journal of Materials Chemistry, 22(28), 14119-14126., (2012)
  • Solution processable diketopyrrolopyrrole (dpp) cored small molecules with bodipy end groups as novel donors for or... 
    Cortizo-Lacalle, D., Howells, C. T., Pandey, U. K., Cameron, J., Findlay, N. J., Inigo, A....
    Beilstein Journal of Organic Chemistry, 10, 2683-2695, (2014)
  • Oligothiophene cruciform with a germanium spiro center: A promising material for organic photovoltaics 
    Wright, I. A., Kanibolotsky, A. L., Cameron, J., Tuttle, T., Skabara, P. J., Coles, S. J.,...
    Angewandte Chemie International Edition, 51(19), 4562-4567. , (2012)


  • ​Ph.D., Physics, University of St Andrews, United Kingdom, 2015
  • M.Sci., Physics, University of Strathclyde, United Kingdom, 2009

Scientific and Professional Membership

  • ​Institute of Physics (IOP)
  • Materials Research Society (MRS)

KAUST Affiliations

  • ​KAUST Solar Center (KSC)
  • Division of Physical Science and Engineering (PSE)

Research Interests Keywords

Water splitting ​Solar cells sensors