50 nm

Incorporation of Optical Functionalities

• Organic Dyes

• Conjugated Polymers

• Organometallics

• DNA

• Semiconducting Quantum Dots

• Nanowires

• Inorganic Charge Transfer

• Rare Earth Complexes

• Enzymes, e.g., organophosphorus hydrolase

N NO2O

In transparent mesoporous solids

In transparent composites

Integrated Optoelectronic Biosensors Dr. D.E. Morse, UCSB

Important need for novel membrane chemistries relevant to water harvesting: recovery from atmosphere, soldier, engine exhaust, plants; exploit capillary forces like trees; aligned mesoporous membranes

Dr. Michael Gardos, DARPA/DSO

Summary

Capabilities to design, synthesize and process new high performance, ordered, functional porous inorganic and inorganic/organic hybrid materials for a wide range of applications.

Contact Information:

SBA Materials, Inc.

5290 Overpass Road, Suite 131

Santa Barbara, California 93111

phone: 805-683-6102

fax: 805-683-6742

bradchmelka@sbamaterials.com

earldanielson@sbamaterials.com

Versatility of compositions, structures, length scales, and functionalities

Applications

• High pore-volume catalysts & supports for large molecules• Separation adsorbents, membranes• Oriented thin films and fibers for optical applications• Coatings and packagings• Low dielectric constant materials• Chemical and biosensors• Functional composites: conducting, optoelectronic, magnetic • Environmental remediation

Low Dielectric Constant Mesoporous Silica Thin Films

1.17

1.17 2

1.17 4

1.17 6

1.17 8

1.18

1.18 2

300 400 500

600 700 800 900Wavelength

k=1.4 @1014 Hz k=2.5-2.8 @1 MHz

Ellipsometry

n

• Multilayer Patterning• Optical Waveguides• Addressable optoelectronic circuits?

P. Yang, et al., Adv. Mat. 10, 1385 (1998)