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https://doi.org/10.1063/1.3266854
Title: | Aggregates-induced dynamic negative differential resistance in conducting organic films | Authors: | Xie, X.N. Wang, J. Loh, K.P. Wee, A.T.S. |
Issue Date: | 2009 | Citation: | Xie, X.N., Wang, J., Loh, K.P., Wee, A.T.S. (2009). Aggregates-induced dynamic negative differential resistance in conducting organic films. Applied Physics Letters 95 (20) : -. ScholarBank@NUS Repository. https://doi.org/10.1063/1.3266854 | Abstract: | This letter reports the negative differential resistance (NDR) behavior of perylene-3,4,9,10-tetracarboxylic-3,4,9,10-dianhydride films induced by aggregate formation in the film. It is observed that aggregate-states in the energy gap can by-pass the common charge conduction mode, and electron injection, trapping, and conduction through these states lead to the NDR characteristic. The rate-dependence of NDR is discussed in terms of the transit time and lifetime of the aggregates-states electrons. The quenching of NDR by photoillumination is also observed, and is attributed to the saturation of aggregates-states by photoelectrons. © 2009 American Institute of Physics. | Source Title: | Applied Physics Letters | URI: | http://scholarbank.nus.edu.sg/handle/10635/75537 | ISSN: | 00036951 | DOI: | 10.1063/1.3266854 |
Appears in Collections: | Staff Publications |
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