Table 1 Electropolymerization of Py monomers under different conditions.

From: Electropolymerization without an electric power supply

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Entry

Deviation from optimal conditions

ΔP [MPa]a

Current [μA]

Charge passed [mC]b

Polymer deposition

1

–

11.6

0.21

1.40

Upstream

2

Lower flow rate (0.25 mL/min)

7.3

0.10

1.37

Upstream

3

Without electrolyte

10.9

0.11

0.74

–

4

Without connection between electrodes

13.4

–

–

–

5

Without Py

10.1

0.21

1.36

–

6

Without cotton filling

0.0

0.00

0.00

–

  1. aPressure drop. b50 mL of electrolytic solution was supplied.