Poly (butyl acrylate)/NaI/I2 electrolytes for dye-sensitized nanocrystalline TiO2 solar cells
Solid polymer electrolytes consisting of NaI and I2 dissolved in poly (butyl acrylate)(PBA,
Mw= 99,000 g/mol) were prepared and applied to dye-sensitized solar cells (DSSC). Upon
incorporation of salt, the free ester carbonyl stretching bands of PBA in FT-IR spectra shift to
a lower wave number, confirming the complex formation between sodium ions and carbonyl
oxygens. Coordinative interactions and structural changes of the PBA/NaI/I2 electrolytes
have been also characterized by X-ray photoelectron spectroscopy (XPS), wide angle X-ray …
Mw= 99,000 g/mol) were prepared and applied to dye-sensitized solar cells (DSSC). Upon
incorporation of salt, the free ester carbonyl stretching bands of PBA in FT-IR spectra shift to
a lower wave number, confirming the complex formation between sodium ions and carbonyl
oxygens. Coordinative interactions and structural changes of the PBA/NaI/I2 electrolytes
have been also characterized by X-ray photoelectron spectroscopy (XPS), wide angle X-ray …
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