Glassy photomechanical liquid-crystal network actuators for microscale devices
In light-driven liquid-crystal network (LCN) actuators, large performance improvements are obtained by varying the orientation of the molecular director through the thickness of the film actuator. Experiments show that sub-millimeter bending radii are achieved using a splayed molecular orientation....
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| Veröffentlicht in: | The European physical journal. E, Soft matter and biological physics Soft matter and biological physics, 2007-07, Vol.23 (3), p.329-336 |
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| container_end_page | 336 |
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| container_title | The European physical journal. E, Soft matter and biological physics |
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| creator | VAN OOSTEN, C. L HARRIS, K. D BASTIAANSEN, C. W. M BROER, D. J |
| description | In light-driven liquid-crystal network (LCN) actuators, large performance improvements are obtained by varying the orientation of the molecular director through the thickness of the film actuator. Experiments show that sub-millimeter bending radii are achieved using a splayed molecular orientation. Systems with a splayed or twisted nematic (TN) director profile drive greater amplitude and faster bending than uniaxial planar systems with the same chemical composition. The bending radii of these systems are predicted using a simple model including effects of light intensity, material composition and actuator thickness. |
| doi_str_mv | 10.1140/epje/i2007-10196-1 |
| format | Article |
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| ispartof | The European physical journal. E, Soft matter and biological physics, 2007-07, Vol.23 (3), p.329-336 |
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| source | MEDLINE; Springer Nature - Complete Springer Journals |
| subjects | Computer Simulation Elasticity Equipment Design Equipment Failure Analysis Exact sciences and technology General equipment and techniques Instruments, apparatus, components and techniques common to several branches of physics and astronomy Liquid Crystals - chemistry Mechanics Miniaturization Models, Chemical Phase Transition Photochemistry - instrumentation Photochemistry - methods Photometry - instrumentation Photometry - methods Physics Sensors (chemical, optical, electrical, movement, gas, etc.) remote sensing Stress, Mechanical Transducers |
| title | Glassy photomechanical liquid-crystal network actuators for microscale devices |
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