Highly-soluble metallotetraazaporphyrin: Potential optical limiters for use in photodiodes

CHED 1176

Logan M. Swogger, m086552@usna.edu1, Jeffrey P. Fitzgerald, fitzgera@usna.edu2, Steven R. Flom, flom@nrl.navy.mil3, and James S. Shirk, james.shirk@nrl.navy.mil3. (1) Department of Chemistry, U. S. Naval Academy, 572 Holloway Road, Annapolis, MD 21402, (2) Department of Chemistry, U.S. Naval Academy, 572 Holloway Road, Annapolis, MD 21402, (3) Optical Sciences Division, Naval Research Laboratory, Washington, DC 20375
Photodiodes, the key light-sensing element (pixel) in solid state imaging systems like CCD cameras, are damaged by high intensity light such as that from lasers. One solution to this problem is to use an optical limiter, a material which is transparent to ambient light but opaque to laser light, to protect the photodiode. We report the synthesis, characterization, physical and optical properties of new highly-soluble or film-forming metallotetrazaporphyrin complexes. High solubility or the ability to form films without crystallizing is required for optical transparency. Additional requirements are photostability, a strong absorbance in the blue portion of the visible spectrum and little to no aggregation at high concentrations.
 

Undergraduate Research Poster Session: Inorganic Chemistry
2:00 PM-4:00 PM, Monday, April 7, 2008 Morial Convention Center -- Hall A, Poster

Division of Chemical Education

The 235th ACS National Meeting, New Orleans, LA, April 6-10, 2008