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Synthesis, photovoltaic performances and TD-DFT modeling of push–pull diacetylide platinum complexes in TiO 2 based dye-sensitized solar cells
In this joint experimental–theoretical work, we present the synthesis and optical and electrochemical characterization of five new bis-acetylide platinum complex dyes end capped with diphenylpyranylidene moieties, as well as their performances in dye-sensitized solar cells (DSCs). Theoretical calculations relying on Time-Dependent Density Functional Theory (TD-DFT) and a range-separated hybrid show a very good match with experimental data and allow us to quantify the charge-transfer character of each compound. The photoconversion efficiency obtained reaches 4.7% for 8e (see TOC Graphic) with the tri-thiophene segment, which is among the highest efficiencies reported for platinum complexes in DSCs.
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- Award ID(s):
- 1153085
- NSF-PAR ID:
- 10163892
- Date Published:
- Journal Name:
- Dalton Trans.
- Volume:
- 43
- Issue:
- 29
- ISSN:
- 1477-9226
- Page Range / eLocation ID:
- 11233 to 11242
- Format(s):
- Medium: X
- Sponsoring Org:
- National Science Foundation
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- Free Publicly Accessible Full Text
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Accepted Manuscript1.0
- Journal Article:
- https://doi.org/10.1039/c4dt00301b
