A molecule-based 1

2 Digital demultiplexer

Joakim Andréasson, Stephen D. Straight, Subhajit Bandyopadhyay, Reginald H. Mitchell, Thomas A Moore, Ana L Moore, John Devens Gust

Research output: Contribution to journalArticle

80 Citations (Scopus)

Abstract

A trichromophoric molecule consisting of a porphyrin linked to both a dihydropyrene and a dihydroindolizinetype photochrome, in combination with a third harmonic generating crystal, functions as a 1:2 digital demultiplexer with photonic inputs and outputs. Each of the two photochromes may be cycled independently between two metastable forms, leading to four photoisomers, three of which are used in the demultiplexer. These isomers interact photochemically with the porphyrin in order to yield the demultiplexer function. With the address input (1064-nm light) turned off, one output of the device (porphyrin fluorescence) tracks the state of the data input (532-nm light). When the address input is turned on, the second output (absorbance at 572 nm) tracks the state of the data input, while the first output remains off. The demultiplexer does not require chemical or electrical inputs, and can cycle through its operational sequences multiple times.

Original languageEnglish
Pages (from-to)14274-14278
Number of pages5
JournalJournal of Physical Chemistry C
Volume111
Issue number38
DOIs
Publication statusPublished - Sep 27 2007

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Porphyrins
Molecules
porphyrins
molecules
output
Isomers
Photonics
Fluorescence
Crystals
isomers
photonics
harmonics
fluorescence
cycles
crystals

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Electronic, Optical and Magnetic Materials
  • Surfaces, Coatings and Films
  • Energy(all)

Cite this

Andréasson, J., Straight, S. D., Bandyopadhyay, S., Mitchell, R. H., Moore, T. A., Moore, A. L., & Gust, J. D. (2007). A molecule-based 1: 2 Digital demultiplexer. Journal of Physical Chemistry C, 111(38), 14274-14278. https://doi.org/10.1021/jp074429p

A molecule-based 1 : 2 Digital demultiplexer. / Andréasson, Joakim; Straight, Stephen D.; Bandyopadhyay, Subhajit; Mitchell, Reginald H.; Moore, Thomas A; Moore, Ana L; Gust, John Devens.

In: Journal of Physical Chemistry C, Vol. 111, No. 38, 27.09.2007, p. 14274-14278.

Research output: Contribution to journalArticle

Andréasson, J, Straight, SD, Bandyopadhyay, S, Mitchell, RH, Moore, TA, Moore, AL & Gust, JD 2007, 'A molecule-based 1: 2 Digital demultiplexer', Journal of Physical Chemistry C, vol. 111, no. 38, pp. 14274-14278. https://doi.org/10.1021/jp074429p
Andréasson J, Straight SD, Bandyopadhyay S, Mitchell RH, Moore TA, Moore AL et al. A molecule-based 1: 2 Digital demultiplexer. Journal of Physical Chemistry C. 2007 Sep 27;111(38):14274-14278. https://doi.org/10.1021/jp074429p
Andréasson, Joakim ; Straight, Stephen D. ; Bandyopadhyay, Subhajit ; Mitchell, Reginald H. ; Moore, Thomas A ; Moore, Ana L ; Gust, John Devens. / A molecule-based 1 : 2 Digital demultiplexer. In: Journal of Physical Chemistry C. 2007 ; Vol. 111, No. 38. pp. 14274-14278.
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