Abstract
Dye-sensitized solar cells (DSSCs) have received considerable attentions as a cost-effective alternative to conventional solar cells. One of main issues for the development of DSSCs is the design and synthesis of dyes that serve as light absorbers for energy conversion. Up to now, many different pure organic dyes and transition metal complexes have been evaluated as sensitizers. DSSCs sensitized with pure organic dyes have relatively lower power conversion efficiencies than those sensitized with metal complexes. However, pure organic dyes have many advantages for their application in DSSCs, such as lower cost, higher absorption coefficient and easy control of redox potentials of LUMO and HOMO levels. Importantly, the highest power conversion efficiency of DSSCs with pure organic dyes has reached 8.0%, which is close to that (∼10%) of DSSCs with metal complexes. In this paper, the features of pure organic dyes and several ways for the design towards higher efficiency are presented. The recent progress on the selection and utilization of these pure organic dyes, especially organic D-π-A dyes, are mainly discussed. The effects of the structures of organic D-π-A dyes on cell performances are compared.
Keywords: photocurrent quantum, open-circuit potential, dye aggregation, Cyanine dyes, Merocyanine
Current Organic Chemistry
Title: Organic D-π-A Dyes for Dye-Sensitized Solar Cell
Volume: 11 Issue: 14
Author(s): Zhigang Chen, Fuyou Li and Chunhui Huang
Affiliation:
Keywords: photocurrent quantum, open-circuit potential, dye aggregation, Cyanine dyes, Merocyanine
Abstract: Dye-sensitized solar cells (DSSCs) have received considerable attentions as a cost-effective alternative to conventional solar cells. One of main issues for the development of DSSCs is the design and synthesis of dyes that serve as light absorbers for energy conversion. Up to now, many different pure organic dyes and transition metal complexes have been evaluated as sensitizers. DSSCs sensitized with pure organic dyes have relatively lower power conversion efficiencies than those sensitized with metal complexes. However, pure organic dyes have many advantages for their application in DSSCs, such as lower cost, higher absorption coefficient and easy control of redox potentials of LUMO and HOMO levels. Importantly, the highest power conversion efficiency of DSSCs with pure organic dyes has reached 8.0%, which is close to that (∼10%) of DSSCs with metal complexes. In this paper, the features of pure organic dyes and several ways for the design towards higher efficiency are presented. The recent progress on the selection and utilization of these pure organic dyes, especially organic D-π-A dyes, are mainly discussed. The effects of the structures of organic D-π-A dyes on cell performances are compared.
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Cite this article as:
Chen Zhigang, Li Fuyou and Huang Chunhui, Organic D-π-A Dyes for Dye-Sensitized Solar Cell, Current Organic Chemistry 2007; 11 (14) . https://dx.doi.org/10.2174/138527207781696008
DOI https://dx.doi.org/10.2174/138527207781696008 |
Print ISSN 1385-2728 |
Publisher Name Bentham Science Publisher |
Online ISSN 1875-5348 |
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