Carvalho, Cátia ParenteDominguez, ZoeSilva, José P. daPischel, Uwe2015-06-222015-06-2220151359-7345http://hdl.handle.net/10400.1/6561The reversible photoswitching between an anthracene derivative and its [4+4] dimer, using the template effect of the CB8 macrocycle, was demonstrated. This example of supramolecular chemistry in water was harnessed to demonstrate the operation of a keypad lock device that is driven by means of light and chemicals as inputs.engjournal articlehttps://dx.doi.org/10.1039/c4cc09336d