Research / 2021 / Article / Fig 3

Research Article

Perovskite Solar Cells toward Eco-Friendly Printing

Figure 3

(a) The absorption spectra of eco-printed and tox-spin-coated films. (b) The photoluminescence spectra of eco-printed and tox-spin-coated films. (c) Time-resolved photoluminescence (TRPL) spectra of eco-printed and tox-spin-coated films. (d) Dark - measurement of the electron-only device for the eco-coated films. (e) Statistics of trap densities and electron mobilities of eco-printed and tox-spin-coated films. (f) Electrical impedance spectroscopy (EIS) of eco-printed and tox-spin-coated films.