Full Spectrum Zinc Oxide Nanowire Sensors By MOCVD

Award Information
Agency: Department of Defense
Branch: Navy
Contract: N68335-09-C-0350
Agency Tracking Number: N09A-004-0710
Amount: $70,000.00
Phase: Phase I
Program: STTR
Awards Year: 2009
Solicitation Year: 2009
Solicitation Topic Code: N09-T004
Solicitation Number: 2009.A
Small Business Information
Structured Materials Industries
201 Circle Drive North, Unit # 102, Piscataway, NJ, 08854
DUNS: 787144807
HUBZone Owned: N
Woman Owned: N
Socially and Economically Disadvantaged: N
Principal Investigator
 Bruce Willner
 Senior Engineer
 (732) 302-9274
 bwillner@structuredmaterials.com
Business Contact
 Gary Tompa
Title: CEO
Phone: (732) 302-9274
Email: gstompa@structuredmaterials.com
Research Institution
 Drexel University
 Jonathan S Spanier
 Dept. of Materials Science
3141 Chestnut Street
Philadelphia, PA, 19104
 (215) 895-2301
 Nonprofit college or university
Abstract
Structured Materials Industries and Drexel University propose to develop an electrically contacted aligned zinc oxide nanowire array for highly efficient, broad spectrum focal plane arrays. The properties of ZnO make it a very promising material for optoelectronic devices. In particular, the wide bandgap (3.37eV) and large exciton binding energy (60meV), and the ability to fabricate stable, uniform ZnO nanowires make the material attractive as a sensor material. A ZnO nanowire focal plane array has great potential as a highly sensitive, low noise imager capable of operation over a broad wavelength range. The wide bandgap of ZnO will produce very little thermal noise. A dense array of nanowires, properly designed, will produce a very large absorption cross section for the design wavelength range. The precise control of nanowire deposition, including composition and diameter provides the ability to precisely tune the structures for particular wavelength ranges and objectives. Further, sensitizers (molecular or nanoparticle) on the surface of the nanowires may be used to tune the optoelectronic response further. All these factors lead to a high performance, broad wavelength imager.

* information listed above is at the time of submission.

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