Chemisorption of a thiol-functionalized ruthenium dye on zinc oxide nanoparticles: implications for dye-sensitized solar cells
J Singh, J Im, JE Whitten, JW Soares… - Chemical Physics …, 2010 - Elsevier
ZnO is an alternative to TiO2-based dye-sensitized solar cells (DSSCs). Adsorption of cis-
ruthenium-bis [2, 2′-bipyridine]-bis [4-thiopyridine] onto ZnO nanorods has been studied
using X-ray and ultraviolet photoelectron spectroscopies (XPS and UPS). XPS indicates
chemisorption with a surface density of ca. 1× 1015molecules/cm2, confirming the possibility
of using thiol-terminated dyes for ZnO-based DSSC devices. The energy level diagram,
based on UPS and absorbance spectroscopy, indicates that the LUMO of this dye is lower in …
ruthenium-bis [2, 2′-bipyridine]-bis [4-thiopyridine] onto ZnO nanorods has been studied
using X-ray and ultraviolet photoelectron spectroscopies (XPS and UPS). XPS indicates
chemisorption with a surface density of ca. 1× 1015molecules/cm2, confirming the possibility
of using thiol-terminated dyes for ZnO-based DSSC devices. The energy level diagram,
based on UPS and absorbance spectroscopy, indicates that the LUMO of this dye is lower in …
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