Microstructure formation in molecular and polymer semiconductors assisted by nucleation agents

Neil D. Treat, Jennifer A. Nekuda Malik, Obadiah Reid, Liyang Yu, Christopher G. Shuttle, Gary Rumbles, Craig J. Hawker, Michael L. Chabinyc, Paul Smith, Natalie Stingelin

Research output: Contribution to journalArticle

95 Citations (Scopus)

Abstract

Additives, including nucleating agents, have been used to regulate the solidification process of (semi-)crystalline polymer solids and thus control both their crystallite dimensions and shape. Here, we demonstrate that minute amounts (0.1-1 wt%) of commercially available nucleating agents can be used to efficiently manipulate the solidification kinetics of a wide range of organic semiconductors - including poly(3-alkylthiophene)s, the fullerene derivative [6,6]-phenyl-C 61 -butyric acid methyl ester (PCBM) and 6,13-bis(triisopropyl- silylethynyl) (TIPS) pentacene - when processed from the melt, solution or solid state, without adversely affecting the semiconductors' electronic properties. Heterogeneous nucleation increases the temperature of and rate of crystallization of poly(3-alkylthiophene)s, permits patterning of crystallites at pre-defined locations in PCBM, and minimizes dewetting of films of TIPS-pentacene formed by inkjet printing. Nucleating agents thus make possible the fabrication of thin-film transistors with uniform electrical characteristics at high yield.

Original languageEnglish
Pages (from-to)628-633
Number of pages6
JournalNature Materials
Volume12
Issue number7
DOIs
Publication statusPublished - Jul 2013

Fingerprint

Polymers
Nucleation
Butyric acid
Butyric Acid
butyric acid
nucleation
Semiconductor materials
microstructure
solidification
Microstructure
Solidification
esters
Esters
polymers
Fullerenes
Semiconducting organic compounds
organic semiconductors
Thin film transistors
Crystallization
Crystallites

ASJC Scopus subject areas

  • Mechanical Engineering
  • Mechanics of Materials
  • Condensed Matter Physics
  • Materials Science(all)
  • Chemistry(all)

Cite this

Treat, N. D., Nekuda Malik, J. A., Reid, O., Yu, L., Shuttle, C. G., Rumbles, G., ... Stingelin, N. (2013). Microstructure formation in molecular and polymer semiconductors assisted by nucleation agents. Nature Materials, 12(7), 628-633. https://doi.org/10.1038/nmat3655

Microstructure formation in molecular and polymer semiconductors assisted by nucleation agents. / Treat, Neil D.; Nekuda Malik, Jennifer A.; Reid, Obadiah; Yu, Liyang; Shuttle, Christopher G.; Rumbles, Gary; Hawker, Craig J.; Chabinyc, Michael L.; Smith, Paul; Stingelin, Natalie.

In: Nature Materials, Vol. 12, No. 7, 07.2013, p. 628-633.

Research output: Contribution to journalArticle

Treat, ND, Nekuda Malik, JA, Reid, O, Yu, L, Shuttle, CG, Rumbles, G, Hawker, CJ, Chabinyc, ML, Smith, P & Stingelin, N 2013, 'Microstructure formation in molecular and polymer semiconductors assisted by nucleation agents', Nature Materials, vol. 12, no. 7, pp. 628-633. https://doi.org/10.1038/nmat3655
Treat, Neil D. ; Nekuda Malik, Jennifer A. ; Reid, Obadiah ; Yu, Liyang ; Shuttle, Christopher G. ; Rumbles, Gary ; Hawker, Craig J. ; Chabinyc, Michael L. ; Smith, Paul ; Stingelin, Natalie. / Microstructure formation in molecular and polymer semiconductors assisted by nucleation agents. In: Nature Materials. 2013 ; Vol. 12, No. 7. pp. 628-633.
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