|
Title
|
On how ancillary ligand substitution affects the charge carrier dynamics in dye-sensitized solar cells
|
|
Type
|
JournalPaper
|
|
Keywords
|
dye-sensitized solar cells,ancillary ligand ,charge carrier dynamics
|
|
Abstract
|
With respect to N3, a champion sensitizer in dye-sensitized solar cells (DSSCs), S3 which contained a phenTz (1,10-phenanthroline 5-tetrazole) ancillary ligand showed outstanding improvements in molar extinction coefficient (3) from 10 681.8 to 12 954.5 M cm1 as well as 0.92% and 0.9% increases in power conversion efficiency (PCE) and incident photon-to-electron conversion efficiency (IPCE), reaching 8.46% and 76.5%, respectively. To find the origin of the high performance of the DSSC based on a phenTz ancillary ligand, transient absorption spectroscopy (TA) was carried out and indicated that the rate of the regeneration reaction is about 100 times faster than the rate of recombination with the dye which is very exciting and surely a good reason to promote the phenTz ligand as a promising ancillary ligand in DSSCs.
|
|
Researchers
|
Babak Nemati Bideh (Fourth Researcher), Babak Pashaei (Third Researcher), Saeid Abaspour (Second Researcher), Hashem Shahroosvand (First Researcher)
|