Novel Strategy for Photopatterning Emissive Polymer Brushes for Organic Light Emitting Diode Applications

Zachariah A. Page, Benjaporn Narupai, Christian W. Pester, Raghida Bou Zerdan, Anatoliy Sokolov, David S. Laitar, Sukrit Mukhopadhyay, Scott Sprague, Alaina J. McGrath, John W. Kramer, Peter Trefonas, Craig J. Hawker

Research output: Contribution to journalArticle

25 Scopus citations

Abstract

A light-mediated methodology to grow patterned, emissive polymer brushes with micron feature resolution is reported and applied to organic light emitting diode (OLED) displays. Light is used for both initiator functionalization of indium tin oxide and subsequent atom transfer radical polymerization of methacrylate-based fluorescent and phosphorescent iridium monomers. The iridium centers play key roles in photocatalyzing and mediating polymer growth while also emitting light in the final OLED structure. The scope of the presented procedure enables the synthesis of a library of polymers with emissive colors spanning the visible spectrum where the dopant incorporation, position of brush growth, and brush thickness are readily controlled. The chain-ends of the polymer brushes remain intact, affording subsequent chain extension and formation of well-defined diblock architectures. This high level of structure and function control allows for the facile preparation of random ternary copolymers and red-green-blue arrays to yield white emission.

Original languageEnglish (US)
Pages (from-to)654-661
Number of pages8
JournalACS Central Science
Volume3
Issue number6
DOIs
StatePublished - Jun 28 2017

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Chemical Engineering(all)

Fingerprint Dive into the research topics of 'Novel Strategy for Photopatterning Emissive Polymer Brushes for Organic Light Emitting Diode Applications'. Together they form a unique fingerprint.

  • Cite this

    Page, Z. A., Narupai, B., Pester, C. W., Bou Zerdan, R., Sokolov, A., Laitar, D. S., Mukhopadhyay, S., Sprague, S., McGrath, A. J., Kramer, J. W., Trefonas, P., & Hawker, C. J. (2017). Novel Strategy for Photopatterning Emissive Polymer Brushes for Organic Light Emitting Diode Applications. ACS Central Science, 3(6), 654-661. https://doi.org/10.1021/acscentsci.7b00165