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|Title:||Chemical reversability of the electrical dedoping of conducting polymers: An organic chemically erasable programmable read-only memory||Authors:||Chia, P.-J.
|Issue Date:||2008||Citation:||Chia, P.-J., Yeo, Y.-C., Burroughes, J.H., Friend, R.H., Ho, P.K.-H. (2008). Chemical reversability of the electrical dedoping of conducting polymers: An organic chemically erasable programmable read-only memory. Applied Physics Letters 93 (3) : -. ScholarBank@NUS Repository. https://doi.org/10.1063/1.2962988||Abstract:||The loss of electronic conductivity of p -doped poly(3,4- ethylenedioxythiophene) at high electrical bias is shown to be chemically reversible upon redoping with iodine vapor. This provides further confirmation that the initial loss of conductivity arises from the injection-induced dedoping mechanism. Repeat "write-erase" cycles are possible, which gives a rudimentary organic chemically erasable programmable read-only memory. Transient measurements show that the write time (i.e., time for loss of conductivity) decreases from thousands of seconds just above the critical electric field of 50 kV cm-1 to millisecond well above this value but below the onset of electrochemical destruction. © 2008 American Institute of Physics.||Source Title:||Applied Physics Letters||URI:||http://scholarbank.nus.edu.sg/handle/10635/55288||ISSN:||00036951||DOI:||10.1063/1.2962988|
|Appears in Collections:||Staff Publications|
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