4.7 Article

Highly sensitive phototransistor with crystalline microribbons from new pi-extended pyrene derivative via solution-phase self-assembly

Journal

CHEMICAL COMMUNICATIONS
Volume 47, Issue 31, Pages 8907-8909

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/c1cc11589h

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Funding

  1. National Research Foundation [20100025252]
  2. Ministry of Education, Science and Technology [NRF2011-0018396]

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A new pyrene-cored p-conjugated molecule has been synthesized through Sonogashira coupling reaction. The single-crystalline microribbon-based FET exhibited the highest mobility of 0.7 cm(2) V(-1) s(-1) (I(on)/I(off) > 10(6)). Single-crystalline microribbons were employed to operate in an organic phototransistor (OPT) under very low light intensity (I = 5.6 mu W cm(-2)).

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