A Highly Conductive n-Type Coordination Complex with Thieno[3,2- b]thiophene Units: Facile Synthesis, Orientation, and Thermoelectric Properties

Kazuki Ueda, Riku Fukuzaki, Takumu Ito, Nana Toyama, Masahiro Muraoka, Toshiki Terao, Kei Manabe, Tomoyasu Hirai, Ching Ju Wu, Shih Ching Chuang, Shintaro Kawano, Michihisa Murata*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

3 Scopus citations

Abstract

An organometallic nickel complex containing thieno[3,2-b]thiophene units was designed and synthesized. Composite films of the resulting nickel complex and polyvinylidene difluoride, which can be fabricated via a simple solution process under atmospheric conditions, exhibit remarkably high n-type conductivity (>200 S cm-1). Moreover, the thermoelectric power factor of the n-type composite film was proven to be air stable. A grazing-incidence wide-angle X-ray diffraction analysis indicated a significant impact of introducing the thieno[3,2-b]thiophene core into the backbone of the nickel complex on the orientation within the composite films.

Original languageEnglish
Pages (from-to)18744-18749
Number of pages6
JournalJournal of the American Chemical Society
Volume144
Issue number41
DOIs
StatePublished - 19 Oct 2022

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