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20 August 2020 Polymer movement induced by two-color light
Hidekazu Ishitobi, Yasushi Inouye
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Proceedings Volume 11477, Molecular and Nano Machines III; 114770F (2020) https://doi.org/10.1117/12.2568373
Event: SPIE Organic Photonics + Electronics, 2020, Online Only
Abstract
Two-color light was irradiated to azo-polymer films to investigate the mechanism of light-induced polymer movement. A collimated green light was used for inducing softening of the polymer, while a focused red light was used for inducing optical gradient force. We found from the topology change of the film that polymer movement was induced only when both green and red light were simultaneously irradiated. This finding indicated that the polymer movement was induced by optical gradient force generated by the red light under the condition that the polymer was softened by repeatable photoisomerization by the green light.
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Hidekazu Ishitobi and Yasushi Inouye "Polymer movement induced by two-color light", Proc. SPIE 11477, Molecular and Nano Machines III, 114770F (20 August 2020); https://doi.org/10.1117/12.2568373
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KEYWORDS
Polymers
Polymer thin films
Atomic force microscope
Collimation
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