Optical Encryption Both wavelength-tunable coloration and light intensity-tunable photoluminescence are independent and reliably manipulated in a rewritable dual-responsive encryption display based on block copolymer self-assembly. The display has the benefit of being a direct and intuitive identification of encrypted information by the human eye, enabling high information security and anti-counterfeiting. More details can be found in article number 2310130 by Cheolmin Park and co-workers.
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