Citation:Seymour, I., Lovera, P., Wahl, A., Rohan, J. F. and O'Riordan, A. (2018) 'Redox Cycling at Interdigitated Nanowire Electrode Arrays: Enhanced Electrochemical Sensing', 2018 IEEE 18th International Conference on Nanotechnology (IEEE-NANO), Cork, Ireland, 23-26 July, pp. 1-4. doi: 10.1109/NANO.2018.8626262
Interdigitated nanowire arrays can be used to perform generator collector type electrochemical measurements. For this set up, one comb of nanowire arrays are used to perform a standard voltammetric technique while the other comb is biased at a constant potential. This technique gives rise to multiple benefits, most notably enhancement of electrochemical signals due to redox cycling, and reduced diffusional overlap in the electrode arrays. Simulations have been used to optimize the electrode designs and to help understand the processes that occur at the electrode surfaces under these conditions. The combination of experimental and simulation data has led to the optimization of a generator collector system with significant collection efficiencies at a variety of conditions.
Scanlon, Shauna; Messina, Walter; Moore, Eric; Rothwell, Sharon; Harrison, Scott(Institute of Electrical and Electronics Engineers (IEEE), 2017-10)
This work reports on the development of an electrochemical sensor for on-line caffeine detection using screen printed graphite electrodes. The effects of solution pH and pre-treatment procedures on electrode performance ...
Murphy, Aidan; Hanley, Kathy; Creedon, Niamh; O'Riordan, Alan; O'Connell, Ivan(Institute of Electrical and Electronics Engineers (IEEE), 2018-05)
This paper describes a low cost portable point of test data acquisition system, made of commercial components, that was developed to interface to electrochemical sensors. The proposed system has demonstrated that it can ...
Osiak, Michal J.; Armstrong, Eileen; Kennedy, Tadhg; Sotomayor Torres, Clivia M.; Ryan, Kevin; O'Dwyer, Colm(Electrochemical Society, 2013-10)
Tin oxide (SnO2) is considered a very promising material as a high capacity Li-ion battery anode. Typically, the electrochemical performance of tin oxide based anodes is dependent on various factors such as their size and ...
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