Molecular systems for ultrafast optical switching [electronic resource] : Controlling electron transfer reactions with femtosecond laser pulses

Published:: Washington, D.C. : United States. Dept. of Energy, 1994.
Oak Ridge, Tenn. : Distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy.
Physical Description:: 4 pages : digital, PDF file
Additional Creators:: Argonne National Laboratory, United States. Department of Energy, and United States. Department of Energy. Office of Scientific and Technical Information

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Summary:

Rapid, reversible photoinduced electron transfer reactions are a class of photophysical phenomena that can be exploited to develop schemes for optical switching. Molecular electronic switches, wires, micro-sensors for chemical analysis, and opto-electronic components for use in optical computing are currently under active investigation. The principal advantages of using molecules in these applications are high component density, increased response speeds, and high energy efficiency. Since photoinduced electron transfer processes within molecules can take place on a picosecond time scale, it should be possible to produce efficient devices that respond very rapidly. Molecules that employ reversible electron transfer reactions for optical switching should possess both speed and photostability advantages over molecular switches based on photochemical changes in molecular structure. For this purpose the authors recently designed several molecular systems that display properties that may be exploited for optical switching. In this paper, two or more laser pulses are used to manipulate photochromic ion pairs that results from rapid reversible photoinduced electron transfer in complex donor-acceptor molecules.

Report Numbers:

E 1.99:anl/chm/cp--81871
E 1.99: conf-940593--7
conf-940593--7
anl/chm/cp--81871

Subject(s):

Engineering

Other Subject(s):

Note:

Published through SciTech Connect.
04/01/1994.
"anl/chm/cp--81871"
" conf-940593--7"
"DE94009695"
9. international conference on ultrafast phenomena,Dana Point, CA (United States),1-5 May 1994.
Greenfield, S.R.; Wasielewski, M.R.; Gosztola, D.J.

Funding Information:

W-31109-ENG-38

View MARC record | catkey: 14112462