A mechanically self-locked gemini-[1]rotaxane-assembled microsphere and its properties on l-Arg controlled reversible morphology and fluorescence changes

A novel pillar[5]arene-based gemini-[1]rotaxane DEP5 was successfully designed and synthesized, the morphology and fluorescent properties of the gemini-[1]rotaxane DEP5 could be reversibly controlled by alternative addition of l -Arg and TFA.