Journal
CHEMISTRY LETTERS
Volume 46, Issue 4, Pages 469-472Publisher
CHEMICAL SOC JAPAN
DOI: 10.1246/cl.161131
Keywords
Gold nanorod; Spiropyran; End-to-end assembly
Categories
Funding
- JSPS [26390002]
- Grants-in-Aid for Scientific Research [26390002] Funding Source: KAKEN
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The self-assembly of gold nanorods (AuNRs) derivatized with photoisomerizable spiropyran ligands was investigated. Under UV irradiation, the AuNRs that were functionalized on the surface by spiropyran with a dithiolane formed end-to-end assemblies accompanied with isomerization of the spiropyran moiety, simultaneously showing a red-shift of the longitudinal plasmon band and the increase in absorbance resulted from the merocyanine form. The networked structure of AuNRs was ultimately built on demand by UV irradiation.
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