4.8 Article

Ultrathin Carbon Nanotube Mat Electrodes for Enhanced Amperometric Detection

Journal

ADVANCED MATERIALS
Volume 21, Issue 30, Pages 3105-+

Publisher

WILEY-V C H VERLAG GMBH
DOI: 10.1002/adma.200900402

Keywords

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Funding

  1. Warwick University through the WPRF scheme
  2. EPSRC [EP/C518268/1, EP/D000165/1]
  3. EPSRC [EP/D000165/1] Funding Source: UKRI
  4. Engineering and Physical Sciences Research Council [EP/C518268/1, EP/D000165/1] Funding Source: researchfish

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A cCVD method for producing transparent, conducting carbon nanotube (CNT) mats of near complete surface coverage is described. Disk-shaped UMEs using the CNT mats reveal reversible electrochemistry for outer sphere redox species and remarkably low capacitance. CNT mat UMEs can be used for the electrochemical detection of dopamine at micromole concentrations in albumin solution, with no decrease in electrode performance even after extensive use.

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