期刊
CHEMISTRY-A EUROPEAN JOURNAL
卷 22, 期 23, 页码 7851-7855出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/chem.201600802
关键词
benzoporphyrins; donor-acceptor systems; dye-sensitized solar cells; electron transfer; selective co-sensitization
资金
- EAM cluster in the frame of the DFG excellence programs
- DFG
- ICMM
- ZMP
- Graduate School Molecular Science (GSMS)
- [SFB953]
A novel class of dyes, namely benzoporphyrins, was synthesized and implemented into dye-sensitized solar cells. They feature complementary absorptions compared to N719, which renders them promising candidates for co-sensitization in DSSCs. Notably, metallated benzoporphyrins reveal a TiO2-nanoparticle attachment that is size and aggregation dependent. Therefore, unproductive energy-transfer events between the selectively attached dyes can be prevented. In light of the latter, an efficiency improvement of 39% has been achieved upon selective adsorption of benzoporphyrins and N719 onto different layers of TiO2 photoelectrode.
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