Table 1 Performance of CV, DPV and OECT in the detection of AA, DA and UA.

From: Selective detection of dopamine with an all PEDOT:PSS Organic Electrochemical Transistor

 

Three electrode cell

OECT

CV

DPV

Epaa (V vs SCE)

Sensitivityb (LOD)c

Sensitivityb (LOD)c

Sensitivitye

Sensitivityd (LOD)c

Sensitivitye

AA

0.29

0.063 ± 0.005

0.00967 ± 0.0003

0.193 ± 0.003

0.102 ± 0.004

0.85 ± 0.03

(1 10−4)

(2 10−5)

(7 10−5)

DA

0.35

0.109 ± 0.009

0.448 ± 0.006

9.0 ± 0.1

1.09 ± 0.04

9.1 ± 0.3

(3 10−4)

(2 10−6)

(6 10−6)

UA

0.41

0.090 ± 0.002

0.065 ± 0.001

1.30 ± 0.02

0.40 ± 0.01

3.33 ± 0.08

(2 10−4)

(6 10−6)

(2 10−5)

  1. aanodic peak potentials evaluated by CV for 1 mM solutions.
  2. bexpressed in A M−1 cm−2.
  3. cexpressed in M.
  4. dexpressed in S M−1.
  5. enormalized sensitivity expressed in S M−1 cm−2. The DPV and OECT sensitivities are normalized to pulse amplitude and gate area, respectively.
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