Journal
CRYSTALS
Volume 5, Issue 4, Pages 551-561Publisher
MDPI
DOI: 10.3390/cryst5040551
Keywords
photochromism; diarylethene; single crystal; photomechanical crystal; bending
Funding
- Ministry of Education, Culture, Sports, Science and Technology (MEXT), Japan [26107013]
- Japan Society for the Promotion of Science (JSPS) for Young Scientists
- Grants-in-Aid for Scientific Research [26107013] Funding Source: KAKEN
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We investigated photoinduced crystal bending behavior of various photochromic diarylethenes. In all the diarylethene derivatives we used in this work, the relationship between the initial photoinduced bending speed and the crystal thickness was well explained by the easy-handled Timoshenkos bimetal model. Moreover, we proposed a quantitative analysis method to reveal the relationship between the bending speed and the molecular structure of diarylethenes. These results provide the quantitative evaluation method of the photoinduced crystal bending speed.
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