Maryland's Defense Patent Database

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Photoresponsive nanoparticles as light-driven nanoscale actuators

Patent image
NRL

Photoresponsive shape memory nanoparticles have a layered smectic ordering and include a photoresponsive moiety selected from the group consisting of azobenzene, stilbene, and spiropyran. Multiple cycles of contraction and extension in these materials can be controlled by UV and visible light. By changing light intensity and exposure time, the magnitude of actuation can be modulated.

Inventors: 
Naciri, Jawad; Zhou, Jing C.; Ratna, Banahalli R.
Patent Number: 
Technical domain: 
Engines, Pumps, and Turbines
FIle Date: 
2013-08-22
Grant Date: 
2014-02-18
Grant time: 
180 days
Grant time percentile rank: 
3
Claim count percentile rank: 
3
Citations percentile rank: 
1
'Cited by' percentile rank: 
1
Assignee: 
US NAVY