Table of Contents
Materials, Volume 12, Issue 8 (April-2 2019)
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Cover Story (view full-size image) In our search to discover interesting photophysical materials, we have stumbled upon two [...] Read more. In our search to discover interesting photophysical materials, we have stumbled upon two tetramethylammonium cyanocuprate(I) 3D networks that display optical memory activity. This behavior is demonstrated by the loss of emission intensity over time during laser irradiation of microcrystalline samples. The reduced intensity can be completely recovered simply by heating the samples. We assign the optical memory behavior to a photo-induced electron transfer between cyanocuprate(I) subunits. Where metallophilic based triplet emission is observed, the rate of reduction is dramatically reduced. Our findings are beneficial in the rational design of optical memory active complexes given the difficulty in predicting their behavior. View this paper.