Novel polymeric metal complex dyes with phenothiazine or carbazole derivative as donor and Zn(II) or Co(II) complexes as acceptors were synthesized for dye-sensitized solar cells. The dyes based on carbazole derivatives exhibited wider absorption spectra, and after replacement of the Co(II) coordinated ion with Zn(II), a bathochromic shift in the absorption spectrum was observed. The device sensitized by P3 exhibited the best photocurrent conversion efficiency (2.06%). Moreover, these dyes all exhibited excellent chemical and thermal stability.
- Xu Chen
- Ye Liu
- Chaofan Zhong
