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We report a branched polyethyleneimine (BPEI)-quantum dot (QD) based rewritable fluorescent system with a multicolor recording mode, in which BPEI is both QD-multicolor patterning "writer" and data erasing "remover". This method could write distinct colors from size-tailored QDs to represent large numbers of logic states for high data storage capacity. This journal is © The Royal Society of Chemistry 2011


Zhisong Lu, Yingshuai Liu, Weihua Hu, Xiong Wen David Lou, Chang Ming Li. Rewritable multicolor fluorescent patterns for multistate memory devices with high data storage capacity. Chemical communications (Cambridge, England). 2011 Sep 14;47(34):9609-11

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PMID: 21796321

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