The photo- and acidochromic properties of a new generation norbornadiene derivative have been harnessed for the realization of a three-input keypad lock, where a specific sequence of inputs induces a unique output. Reversible quadricyclane/norbornadiene photoisomerization is reported, and this rare feature allows the first example of a norbornadiene-based molecular logic system. The function of this system is clearly rationalized in terms of the interconversion scheme and the absorption spectra of the involved species.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6218103 | PMC |
| http://dx.doi.org/10.1021/acs.jpclett.8b02567 | DOI Listing |
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