Nb-based MXenes for efficient electrochemical sensing of small biomolecules in the anodic potential
<p dir="ltr">In this work, we study the electrochemical performance of Nb<sub>2</sub>CT<sub>x</sub> and Nb<sub>4</sub>C<sub>3</sub>T<sub>x</sub> MXenes in the aqueous media and their application as a sensing platform for sma...
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2020
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| Summary: | <p dir="ltr">In this work, we study the electrochemical performance of Nb<sub>2</sub>CT<sub>x</sub> and Nb<sub>4</sub>C<sub>3</sub>T<sub>x</sub> MXenes in the aqueous media and their application as a sensing platform for small biomolecules. Both Nb<sub>2</sub>CT<sub>x</sub> and Nb<sub>4</sub>C<sub>3</sub>T<sub>x</sub> are electrochemically stable up to an anodic potential of 0.5 V. It was found that Nb<sub>4</sub>C<sub>3</sub>T<sub>x</sub> is more electrochemically active than Nb<sub>2</sub>CT<sub>x</sub>. Based on this, Nb<sub>4</sub>C<sub>3</sub>T<sub>x</sub> was evaluated for the electrochemical detection of aqueous media solutions containing ascorbic acid, uric acid and dopamine. This work opens the door for the wider application of Nb-based MXenes in aqueous electrochemical sensing applications.</p><h2>Other Information</h2><p dir="ltr">Published in: Electrochemistry Communications<br>License: <a href="http://creativecommons.org/licenses/by/4.0/" target="_blank">http://creativecommons.org/licenses/by/4.0/</a><br>See article on publisher's website: <a href="https://dx.doi.org/10.1016/j.elecom.2020.106811" target="_blank">https://dx.doi.org/10.1016/j.elecom.2020.106811</a></p> |
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