International Journal of Polymer Science / 2018 / Article / Fig 5

Research Article

Microscale Patterning of Electrochromic Polymer Films via Soft Lithography

Figure 5

Light transmittances of the spin-coated P3HT films on the ITO substrates according to the solution concentrations, in the range of 300 nm to 800 nm. The spin-coating processes were performed using (a, b) chloroform and (c, d) chlorobenzene as solvents, respectively. The spectra in (a) and (c) correspond to the P3HT oxidation (red) states, and the spectra in (b) and (d) correspond to the P3HT reduction (blue) states.
(a)
(b)
(c)
(d)

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