2D‐Hexagonal Boron Nitride Screen‐Printed Bulk‐Modified Electrochemical Platforms Explored towards Oxygen Reduction Reactions
AuthorsKhan, Aamar F.
Ferrari, Alejandro Garcia-Miranda
Smith, Graham C.
Banks, Craig E.
Rowley-Neale, Samuel J.
AffiliationManchester Metropolitan University; University of Chester
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AbstractA low‐cost, scalable and reproducible approach for the mass production of screen‐printed electrode (SPE) platforms that have varying percentage mass incorporations of 2D hexagonal boron nitride (2D‐hBN) (2D‐hBN/SPEs) is demonstrated herein. These novel 2D‐hBN/SPEs are explored as a potential metal‐free electrocatalysts towards oxygen reduction reactions (ORRs) within acidic media where their performance is evaluated. A 5% mass incorporation of 2D‐hBN into the SPEs resulted in the most beneficial ORR catalysis, reducing the ORR onset potential by ca. 200 mV in comparison to bare/unmodified SPEs. Furthermore, an increase in the achievable current of 83% is also exhibited upon the utilisation of a 2D‐hBN/SPE in comparison to its unmodified equivalent. The screen‐printed fabrication approach replaces the less‐reproducible and time‐consuming dropcasting technique of 2D‐hBN and provides an alternative approach for the large‐scale manufacture of novel electrode platforms that can be utilised in a variety of applications
CitationKhan, A. F., Ferrari, A. G‐M., Hughes, J. P., Smith, G. C., Banks, C. E., & Rowley‐Neale, S. J. (2022). 2D‐hexagonal boron nitride screen‐printed bulk modified electrochemical platforms explored towards the oxygen reduction reaction. Sensors, 22(9), 3330. https://doi.org/10.3390/s22093330
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