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An n-channel two-dimensional covalent organic framework

  • Xuesong Ding
  • , Long Chen
  • , Yoshihito Honsho
  • , Xiao Feng
  • , Oraphan Saengsawang
  • , Jingdong Guo
  • , Akinori Saeki
  • , Shu Seki*
  • , Stephan Irle
  • , Shigeru Nagase
  • , Vudhichai Parasuk
  • , Donglin Jiang
  • *此作品的通讯作者
  • National Institutes of Natural Sciences - Institute for Molecular Science
  • The University of Osaka
  • Nagoya University
  • Chulalongkorn University
  • Japan Science and Technology Agency

科研成果: 期刊稿件文章同行评审

摘要

Co-condensation of metallophthalocyanine with an electron-deficient benzothiadiazole (BTDA) block leads to the formation of a two-dimensional covalent organic framework (2D-NiPc-BTDA COF) that assumes a belt shape and consists of AA stacking of 2D polymer sheets. Integration of BTDA blocks at the edges of a tetragonal metallophthalocyanine COF causes drastic changes in the carrier-transport mode and a switch from a hole-transporting skeleton to an electron-transporting framework. 2D-NiPc-BTDA COF exhibits broad and enhanced absorbance up to 1000 nm, shows panchromatic photoconductivity, is highly sensitive to near-infrared photons, and has excellent electron mobility as high as 0.6 cm2 V-1 s-1.

源语言英语
页(从-至)14510-14513
页数4
期刊Journal of the American Chemical Society
133
37
DOI
出版状态已出版 - 21 9月 2011
已对外发布

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