When function follows form: Effects of donor copolymer side chains on film morphology and BHJ solar cell performance

Jodi M. Szarko, Jianchang Guo, Yongye Liang, Byeongdu Lee, Brian S. Rolczynski, Joseph Strzalka, Tao Xu, Stephen Loser, Tobin J. Marks, Luping Yu, Lin X. Chen

Research output: Contribution to journalArticle

290 Citations (Scopus)

Abstract

Detailed structural organization in organic films are investigated using grazing incidence X-ray scattering (GIXS) methods. The key structural features are revealed and the influence of specific side chain positions and shapes are characterized. A correlation between the fill factor (FF) of the corresponding device and the tightness of the polymer chain stacking inspires a new set of structural parameters for design of materials to optimize device efficiency.

Original languageEnglish
Pages (from-to)5468-5472
Number of pages5
JournalAdvanced Materials
Volume22
Issue number48
DOIs
Publication statusPublished - Dec 21 2010

Keywords

  • conducting polymers
  • conjugated polymers
  • photovoltaic devices
  • solar cells
  • structure-property relationships

ASJC Scopus subject areas

  • Materials Science(all)
  • Mechanics of Materials
  • Mechanical Engineering

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    Szarko, J. M., Guo, J., Liang, Y., Lee, B., Rolczynski, B. S., Strzalka, J., Xu, T., Loser, S., Marks, T. J., Yu, L., & Chen, L. X. (2010). When function follows form: Effects of donor copolymer side chains on film morphology and BHJ solar cell performance. Advanced Materials, 22(48), 5468-5472. https://doi.org/10.1002/adma.201002687