Ultralong Room-Temperature Phosphorescence from Amorphous Polymer Poly(Styrene Sulfonic Acid) in Air in the Dry Solid State

Tomoki Ogoshi, Hiromu Tsuchida, Takahiro Kakuta, Tada Aki Yamagishi, Ai Taema, Toshikazu Ono, Manabu Sugimoto, Motohiro Mizuno

研究成果: Contribution to journalArticle

55 引用 (Scopus)

抜粋

Polymer-based room-temperature-phosphorescent (RTP) materials are attractive alternatives to low-molecular-weight organic RTP compounds because they can form self-standing transparent films with high thermal stability. However, their RTP lifetimes in air are usually short (<≈0.4 s). Here, the simple organic amorphous polymer, poly(styrene sulfonic acid) (PSS), exhibits an ultralong RTP lifetime in air when desiccated. The maximum lifetime is 1.22 s, which is three times that of previously reported RTP amorphous organic polymers. The lifetime can be controlled by the PSS molecular weight and by the ratio of sulfonic acid groups introduced into the polymer. The dry polymers should enable unprecedented molecular engineering in organic molecule-based optoelectronic devices because of the self-standing and thermal stability attributes.

元の言語英語
記事番号1707369
ジャーナルAdvanced Functional Materials
28
発行部数16
DOI
出版物ステータス出版済み - 4 18 2018

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Materials Science(all)
  • Condensed Matter Physics

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