Structure–property relationship of extended π-conjugation of ancillary ligands with and without an electron donor of heteroleptic Ru(ii) bipyridyl complexes for high efficiency dye-sensitized solar cells

2013 ◽  
Vol 15 (21) ◽  
pp. 8401 ◽  
Author(s):  
Maqbool Hussain ◽  
Ahmed El-Shafei ◽  
Ashraful Islam ◽  
Liyuan Han
Keyword(s):  
Solar Cells ◽  
Electron Donor ◽  
High Efficiency ◽  
Dye Sensitized Solar Cells ◽  
Structure Property ◽  
Ancillary Ligands ◽  
Dye Sensitized ◽  
Structure Property Relationship ◽  
Relationship Of ◽  
Sensitized Solar Cells

Theoretical study on the structure–property relationship of D–A–π–A-type dye-sensitized solar cells: π-bridge and the side alkyl chain

2016 ◽  
Vol 94 (9) ◽  
pp. 794-801
Author(s):  
Kai-Li Zhu ◽  
Le-yan Liu ◽  
Zhi-Yuan Geng
Keyword(s):  
Density Functional Theory ◽  
Solar Cells ◽  
Density Functional ◽  
Dye Sensitized Solar Cells ◽  
Structure Property ◽  
Functional Theory ◽  
Dye Sensitized ◽  
Structure Property Relationship ◽  
Relationship Of ◽  
Sensitized Solar Cells

Two series of dyes have been designed and theoretically characterized through density functional theory and time-dependent density functional theory to systematically explore the structure–property relationship of dyes with D–A–π–A architecture and the performance of dye-sensitized solar cells, particularly the influence of the π-bridge, including its alkyl side chain, adding additional conjugate spacer, displacement, and separation of π-bridge. Key parameters associated with the short-circuit current density Jsc and open-circuit photovoltage Voc were characterized and analyzed in detail. All of the analysis results manifest that dye H1 should be the best candidate to fabricate dye-sensitized solar cells owing to the best optical absorption property (a broad absorption band from 300 to 900 nm for adsorbed dye) and other outstanding parameters.

A comparative study of the influence of N,N′-dialkyl vs. N,N′-diaryl-based electron donor ancillary ligands on photocurrent and photovoltage in dye-sensitized solar cells (DSSCs)

2017 ◽  
Vol 19 (31) ◽  
pp. 20847-20860 ◽  
Author(s):  
Saba Ashraf ◽  
Erol Yildirim ◽  
Javeed Akhtar ◽  
Humaira M. Siddiqi ◽  
Ahmed El-Shafei
Keyword(s):  
Solar Cells ◽  
Comparative Study ◽  
Electron Donor ◽  
Dye Sensitized Solar Cells ◽  
Ancillary Ligands ◽  
Dye Sensitized ◽  
Sensitized Solar Cells

In this study, we report the synthesis of a novel heteroleptic Ru(ii)-sensitizer, denoted as SD-1; moreover, its photophysical, electrochemical, and photovoltaic performances were compared with those of N719 and K77-7.

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