Molecular Flip-Flop

  • Author: David Bradley
  • Published: 11 December 2011
  • Copyright: Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim
  • Source / Publisher: Journal of the American Chemical Society/ACS Publications
thumbnail image: Molecular Flip-Flop

Researchers from the University of Huelva, Spain, and Chalmers University of Technology, Sweden, have exploited the photochromic fluorescence switching of a fulgimide derivative to build and operate an all-optical D (delay) flip-flop device.

The D flip-flop device is widely used in silicon-based microelectronics. It takes an input D and after a short, one-clock-cycle delay, outputs Q, acting as a primitive memory cell. The development of a molecular equivalent that can be switched repeatedly takes us another small step closer to molecular electronics and specifically molecular optoelectronics.

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