Reversible Surface Morphology Changes of a Photochromic Diarylethene Single Crystal by Photoirradiation
10.1126/science.291.5509.1769
Crossref journal-article
American Association for the Advancement of Science (AAAS)
Science (221)
Abstract

The surface morphology of a diarylethene single crystal [1,2-bis(2,4-dimethyl-5-phenyl-3-thienyl)perfluorocyclopentene] determined by atomic force microscopy changed reversibly upon photoirradiation. The crystal underwent a thermally irreversible but photochemically reversible color change (colorless to blue) upon alternate irradiation with ultraviolet (wavelength λ = 366 nm) and visible (λ > 500 nm) light that drove reversible photocyclization reactions. Upon irradiation with 366-nm light, new steps appeared on the (100) single-crystalline surface that disappeared upon irradiation with visible light (λ > 500 nm). The step height, about 1 nm, corresponds to one molecular layer. Irradiation with 366-nm light formed valleys on the (010) surface that also disappeared by bleaching upon irradiation with visible light (λ > 500 nm). The surface morphological changes can be explained by the molecular structural changes of diarylethenes regularly packed in the single crystal. These crystals could potentially be used as photodriven nanometer-scale actuators.

Bibliography

Irie, M., Kobatake, S., & Horichi, M. (2001). Reversible Surface Morphology Changes of a Photochromic Diarylethene Single Crystal by Photoirradiation. Science, 291(5509), 1769–1772.

Authors 3
  1. Masahiro Irie (first)
  2. Seiya Kobatake (additional)
  3. Masashi Horichi (additional)
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  31. Supported by CREST (Core Research for Evolutional Science and Technology) of Japan Science and Technology Corporation (JST) and by Grant-in-Aid for Scientific Research 12131211 from the Ministry of Education Culture Sports Science and Technology Japan.
Dates
Type When
Created 23 years ago (July 27, 2002, 5:47 a.m.)
Deposited 1 year, 7 months ago (Jan. 13, 2024, 3:59 a.m.)
Indexed 6 days, 18 hours ago (Aug. 19, 2025, 6:14 a.m.)
Issued 24 years, 5 months ago (March 2, 2001)
Published 24 years, 5 months ago (March 2, 2001)
Published Print 24 years, 5 months ago (March 2, 2001)
Funders 0

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@article{Irie_2001, title={Reversible Surface Morphology Changes of a Photochromic Diarylethene Single Crystal by Photoirradiation}, volume={291}, ISSN={1095-9203}, url={http://dx.doi.org/10.1126/science.291.5509.1769}, DOI={10.1126/science.291.5509.1769}, number={5509}, journal={Science}, publisher={American Association for the Advancement of Science (AAAS)}, author={Irie, Masahiro and Kobatake, Seiya and Horichi, Masashi}, year={2001}, month=mar, pages={1769–1772} }