The Effect of Substituents on Molecular Electronic Junctions
Source: Journal of Nanoscience and Nanotechnology, Volume 2, Number 6, December 2002 , pp. 659-667(9)
Publisher: American Scientific Publishers
Abstract:Previous reports have demonstrated that molecular electronic junctions exhibiting negative differential resistance show a marked substituent effect. We show that this substituent effect correlates with stability of the anionic form of the junction molecule. A sufficiently stable anion gives rise to a double potential barrier to electron transport across the molecular junction. The effect of thermal motion of the junction molecule on the electron transport is also considered.
Document Type: Research article
Publication date: 2002-12-01
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