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Biancardo M, Quinn AJ, Floyd L, et al. Hysteresis of charge tunneling in assemblies of carboxylic acid-modified gold nanoparticles. J Phys Chem B. 2005;109(18):8718-22doi: 10.1021/jp0447338.
Biancardo, M., Quinn, A. J., Floyd, L., Mendes, P. M., Briggs, S. S., Preece, J. A., Bignozzi, C. A., & Redmond, G. (2005). Hysteresis of charge tunneling in assemblies of carboxylic acid-modified gold nanoparticles. The journal of physical chemistry. B, 109(18), 8718-22. https://doi.org/10.1021/jp0447338
Biancardo, Matteo, et al. "Hysteresis of charge tunneling in assemblies of carboxylic acid-modified gold nanoparticles." The journal of physical chemistry. B vol. 109,18 (2005): 8718-22. doi: https://doi.org/10.1021/jp0447338
Biancardo M, Quinn AJ, Floyd L, Mendes PM, Briggs SS, Preece JA, Bignozzi CA, Redmond G. Hysteresis of charge tunneling in assemblies of carboxylic acid-modified gold nanoparticles. J Phys Chem B. 2005 May 12;109(18):8718-22. doi: 10.1021/jp0447338. PMID: 16852032.
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J Phys Chem B. 2005 May 12;109(18):8718-22. doi: 10.1021/jp0447338.

Hysteresis of charge tunneling in assemblies of carboxylic acid-modified gold nanoparticles.

The journal of physical chemistry. B

Matteo Biancardo, Aidan J Quinn, Liam Floyd, Paula M Mendes, Simon S Briggs, Jon A Preece, Carlo A Bignozzi, Gareth Redmond

Affiliations

  1. Department of Chemistry, University of Ferrara, Via Luigi Borsari, 46, 44100 Ferrara, Italy.

PMID: 16852032 DOI: 10.1021/jp0447338

Abstract

We report on charge transport measurements through laterally contacted assemblies of Au nanoparticles capped with 11-mercaptoundecanoic acid ligands. Both alternating- and direct-current data indicate that although the nanoparticles behave as electrically isolated metallic islands, there is a significant influence from the nanoparticle environment, indicating the existence of a slow reorganization process linked to charge transport. On the basis of the observation of temperature-dependent hysteresis of charge tunneling, we propose that this process is due to proton transfer between the carboxylic acid tails of the ligands.

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