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Two Photon Absorption Study of Low-Bandgap, Fully Conjugated Perylene Diimide-Thienoacene-Perylene Diimide Ladder-Type Molecules

  • Zhengxu Cai
  • , Ricardo J. Vázquez
  • , Donglin Zhao
  • , Lianwei Li
  • , Wai Yip Lo
  • , Na Zhang
  • , Qinghe Wu
  • , Bradley Keller
  • , Audrey Eshun
  • , Neranga Abeyasinghe
  • , Halley Banaszak-Holl
  • , Theodore Goodson*
  • , Luping Yu
  • *此作品的通讯作者
  • The University of Chicago
  • University of Michigan, Ann Arbor

科研成果: 期刊稿件文章同行评审

摘要

A new series of donor-acceptor ladder-type molecules were synthesized via Scholl reaction. These molecules contain up to 25-fused rings but still show good air stability and good solubility. The ring-fusing reaction is found to be sensitive to the nature of the side-chain in donor units. The molecular conformations were investigated by 2D NMR and DFT calculations. The photophysical properties were investigated and an intense intramolecular charge-transfer was observed. All of the molecules exhibit two-photon absorption (TPA) activity, and their TPA cross-section shows a linear relationship with increasing conjugation length of the thienoacene-PDI derivatives.

源语言英语
页(从-至)6726-6732
页数7
期刊Chemistry of Materials
29
16
DOI
出版状态已出版 - 22 8月 2017
已对外发布

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