Photoswitching of glass transition temperatures of azobenzene-containing polymers induces reversible solid-to-liquid transitions

Nature Chemistry

Volumn 9, Issue 2, 2017, Pages 145-151

  Zhou, Hongwei ^a   Xue, Changguo ^a   Weis, Philipp ^a   Suzuki, Yasuhito ^a   Huang, Shilin ^a   Koynov, Kaloian ^a   Auernhammer, Günter K ^a   Berger, Rüdiger ^a   Butt, Hans Jürgen ^a   Wu, Si ^a  

^a MAX PLANCK INSTITUTE FOR POLYMER RESEARCH   (Germany)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 85015241393     PISSN: 17554330     EISSN: 17554349     Source Type: Journal    
DOI: 10.1038/NCHEM.2625     Document Type: Article

References (27)

1. Colquhoun, H. M. Self-repairing polymers: materials that heal themselves. Nat. Chem. 4, 435-436 (2012).
2. Yang, Y. & Urban, M. W. Self-healing polymeric materials. Chem. Soc. Rev. 42, 7446-7467 (2013).
3. Fiore, G. L., Rowan, S. J. & Weder, C. Optically healable polymers. Chem. Soc. Rev. 42, 7278-7288 (2013).
4. Wu, S. et al. Supramolecular bisazopolymers exhibiting enhanced photoinduced birefringence and enhanced stability of birefringence for four-dimensional optical recording. J. Mater. Chem. 20, 5202-5209 (2010).
5. Kravchenko, A., Shevchenko, A., Ovchinnikov, V., Priimagi, A. & Kaivola, M. Optical interference lithography using azobenzene-functionalized polymers for micro- and nanopatterning of silicon. Adv. Mater. 23, 4174-4177 (2011).
6. Kucharski, T. J. et al. Templated assembly of photoswitches significantly increases the energy-storage capacity of solar thermal fuels. Nat. Chem. 6, 441-447 (2014).
7. Baroncini, M. et al. Photoinduced reversible switching of porosity in molecular crystals based on star-shaped azobenzene tetramers. Nat. Chem. 7, 634-640 (2015).
8. Yu, Y. L., Nakano, M. & Ikeda, T. Directed bending of a polymer film by light-miniaturizing a simple photomechanical system could expand its range of applications. Nature 425, 145 (2003).
9. Zhang, L., Liang, H., Jacob, J. & Naumov, P. Photogated humidity-driven motility. Nat. Commun. 6, 7429 (2015).
10. Velema, W. A. et al. Optical control of antibacterial activity. Nat. Chem. 5, 924-928 (2013).
11. Akiyama, H. & Yoshida, M. Photochemically reversible liquefaction and solidification of single compounds based on a sugar alcohol scaffold with multi azo-arms. Adv. Mater. 24, 2353-2356 (2012).
12. Okui, Y. & Han, M. Rational design of light-directed dynamic spheres. Chem. Commun. 48, 11763-11765 (2012).
13. Hoshino, M. et al. Crystal melting by light: X-ray crystal structure analysis of an azo crystal showing photoinduced crystal-melt transition. J. Am. Chem. Soc. 136, 9158-9164 (2014).
14. Ishiba, K. et al. Photoliquefiable ionic crystals: a phase crossover approach for photon energy storage materials with functional multiplicity. Angew. Chem. Int. Ed. 54, 1532-1536 (2015).
15. Uchida, E., Azumi, R. & Norikane, Y. Light-induced crawling of crystals on a glass surface. Nat. Commun. 6, 7310 (2015).
16. Kim, D. Y., Tripathy, S. K., Li, L. & Kumar, J. Laser-induced holographic surfacerelief gratings on nonlinear-optical polymer-films. Appl. Phys. Lett. 66, 1166-1168 (1995).
17. Rochon, P., Batalla, E. & Natansohn, A. Optically induced surface gratings on azoaromatic polymer-films. Appl. Phys. Lett. 66, 136-138 (1995).
18. Karageorgiev, P. et al. From anisotropic photo-fluidity towards nanomanipulation in the optical near-field. Nat. Mater. 4, 699-703 (2005).
19. Yager, K. G. & Barrett, C. J. in Polymeric Nanostructures and Their Applications (ed. Nalwa, H. S.) Ch. 8 (American Scientific, 2006).
20. Lee, S., Kang, H. S. & Park, J. K. Directional photofluidization lithography: micro/nanostructural evolution by photofluidic motions of azobenzene materials. Adv. Mater. 24, 2069-2103 (2012).
21. Kang, H. S., Kim, H. T., Park, J. K. & Lee, S. Light-powered healing of a wearable electrical conductor. Adv. Funct. Mater. 24, 7273-7283 (2014).
22. Lee, S., Kang, H. S. & Park, J. K. High-resolution patterning of various large-area, highly ordered structural motifs by directional photofluidization lithography: sub-30-nm line, ellipsoid, rectangle, and circle arrays. Adv. Funct. Mater. 21, 1770-1778 (2011).
23. Vapaavuori, J., Laventure, A., Bazuin, C. G., Lebel, O. & Pellerin, C. Submolecular plasticization induced by photons in azobenzene materials. J. Am. Chem. Soc. 137, 13510-13517 (2015).
24. Ikeda, T. & Tsutsumi, O. Optical switching and image storage by means of azobenzene liquid-crystal films. Science 268, 1873-1875 (1995).
25. Cappella, B. Mechanical properties and adhesion of a micro structured polymer blend. Polymers 3, 1091-1106 (2011).
26. Bandara, H. M. D. & Burdette, S. C. Photoisomerization in different classes of azobenzene. Chem. Soc. Rev. 41, 1809-1825 (2012).
27. Andrews, R. J. & Grulke, E. A. in Polymer Handbook 4th edn (eds Brandrup, J. et al.) VI 193-VI 278 (Wiley, 1999).