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- Title
Highly Asymmetric Tribenzonaphtho-Condensed Porphyrazinatozinc Complex: An Efficient Near-Infrared Sensitizer for Dye-Sensitized Solar Cells.
- Authors
Yu, Lijuan; Zhou, Xiaole; Yin, Yinghui; Liu, Yuwen; Li, Renjie; Peng, Tianyou
- Abstract
Novel, highly asymmetric zinc phthalocyanine (ZnPc) derivatives (Zn-tri-PcNc) containing tribenzonaphtho-condensed porphyrazine with one carboxyl and three tert-butyl ( tBu) or n-butoxy ( nBuO) peripheral substituents were synthesized by using 6-carboxymethyl-2,3-dicyanonaphthalene and 4- tBu- or nBuO-phthalonitrile as starting agents. The new, highly asymmetric ZnPc containing tBu groups (Zn-tri-PcNc -2 b) yielded a 3.56 % conversion efficiency in sensitizing TiO2-based dye-sensitized solar cells (DSSCs) under simulated AM 1.5G solar irradiation (100 mW cm−2), which is higher than that of the nBuO-containing analogue Zn-tri-PcNc -3 b (2.20 %). Moreover, Zn-tri-PcNc -2 b displays 60.7 % of the maximum incident monochromatic photon-to-current conversion efficiency (IPCE) in the red/near-IR region, which is much higher than that of Zn-tri-PcNc -3 b (22.9 %), thus highlighting the potential of Zn-tri-PcNc -2 b as a DSSC component.
- Subjects
CARBOXYMETHYL compounds; ASYMMETRY (Chemistry); METAL complexes; DYE-sensitized solar cells; CHEMICAL derivatives; PORPHYRAZINES; CHEMICAL synthesis
- Publication
ChemPlusChem, 2012, Vol 77, Issue 11, p1022
- ISSN
2192-6506
- Publication type
Article
- DOI
10.1002/cplu.201200219