The multilevel stimuli-responsiveness and the potential application in information encryption based on the reversible transition between RALO-OAc and RALO-OAc* (IMAGE)
Caption
On the left, schematic diagram of the polymorphic transition between RALO-OAc and RALO-OAc* by grinding, fuming, and heating. In the center, the optical images of the pristine crystal of RALO-OAc, after writing with a glass rod and then heating, taken under 365 nm-UV light irradiation. On the right, the optical images of pristine crystal of RALO-OAc (marked in the orange dotted line) and the RALO-OAc-5 min (marked in the blue dotted line), after fuming and then heating, taken under daylight or 365 nm-UV light irradiation or after ceasing the UV light for 0.04 s.
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