Authors: Park, Boongik; Lee, Junhwan; Kim, Ohyun

Source: Journal of Nanoscience and Nanotechnology, Volume 12, Number 1, January 2012 , pp. 469-474(6)

Publisher: American Scientific Publishers

Abstract:

The addition of glycerol to Poly(3,4-ethylenedioxythiophene):Poly(styrene sulfonate) (PEDOT:PSS) films affected the bipolar switching characteristics of nonvolatile polymer memory devices (PMDs). Increasing the glycerol/PEDOT:PSS ratio caused increase in the OFF-current of the PMDs, but did not affect the ON-current levels. This result demonstrates that highly-conductive current paths occur in the ON-state. The write-read-erase-read cycle test was operated >10⁵ times. And, the ON-retention time is largely dependent on the glycerol to PEDOT:PSS ratio and annealing temperature. In addition, AFM analysis on the G-PEDOT:PSS films to see how the surface morphology of G-PEDOT:PSS layer influences the retention time properties was carried out.

Keywords: BIPOLAR SWITCHING; POLYMER MEMORY; RETENTION TIME; MORPHOLOGY GLYCEROL-MODIFIED PEDOT:PSS (G-PEDOT:PS

Document Type: Research article

DOI: http://dx.doi.org/10.1166/jnn.2012.5355

Publication date: 2012-01-01

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