Stackable spectral-sensitive conductive films based on cyanine aggregates via an inkjet method

Tokuma Nakamichi, Yu Yang, Tomoya Ohta, Hiroaki Yoshioka, Masayuki Yahiro, Masanao Era, Hirofumi Watanabe, Yuanjing Cui, Yuji Oki, Guodong Qian

研究成果: ジャーナルへの寄稿学術誌査読

6 被引用数 (Scopus)

抄録

In this work, wavelength sensitive organic bulk-hetero photodiodes were fabricated by a piezoelectric inkjet method based on the J-type aggregates of cyanine dye molecules doped into poly(3,4-ethylenedioxythiophene):poly(styrene sulfonate) thin films on indium tin oxide anodes. The cyanine dye concentration in the inkjet printed films was optimized and the J-aggregate formation during the drying process was investigated by local absorption spectra. It was found that at lower dye concentrations, not only the J-aggregate formation but also the radiation sensitivities of the films were improved significantly. Moreover, the stacking of the cyanine dye - poly(3,4-ethylenedioxythiophene):poly(styrene sulfonate) spots demonstrated the linear increase on the optical density and film thickness without deteriorating the J-aggregate formation, indicating their potential in application as narrow band filters.

本文言語英語
ページ(範囲)333-338
ページ数6
ジャーナルDyes and Pigments
98
3
DOI
出版ステータス出版済み - 2013

!!!All Science Journal Classification (ASJC) codes

  • 化学工学一般
  • プロセス化学およびプロセス工学

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