Enhanced coupling through π-stacking in imidazole-based molecular junctions

URN to cite this document:: urn:nbn:de:bvb:355-epub-415333
DOI to cite this document:: 10.5283/epub.41533

Fu, Tianren ; Smith, Shanelle ; Camarasa-Gómez, María ; Yu, Xiaofang ; Xue, Jiayi ; Nuckolls, Colin ; Evers, Ferdinand ; Venkataraman, Latha ; Wei, Sujun

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Date of publication of this fulltext: 11 Feb 2020 10:03

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Abstract

We demonstrate that imidazole based π–π stacked dimers form strong and efficient conductance pathways in single-molecule junctions using the scanning-tunneling microscope-break junction (STM-BJ) technique and density functional theory-based calculations. We first characterize an imidazole-gold contact by measuring the conductance of imidazolyl-terminated alkanes (im-N-im, N = 3–6). We show that ...