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- Title
Synthesis and Photovoltaic properties of branched chain polymeric metal complexes containing Phenothiazine and Thiophene derivative for dye-sensitized solar cells.
- Authors
XIE, QIUFANG; ZHOU, JUN; HU, JIAOMEI; PENG, DAHAI; LIU, YE; LIAO, YANLONG; ZHU, CHUNXIAO; ZHONG, CHAOFAN
- Abstract
Three donor- π-acceptor (D- π-A) dyes (P1-P3) of polymeric metal complexes were synthesized for application in dye-sensitized solar cells (DSSCs). These D- π-A sensitizers use Phenothiazine appended with octyl as donor (D), C=C bond as π-bridge( π), and thiophene-phenanthroline metal complexes as acceptor (A) that can be anchored to the TiO surface. They have been characterized and studied by FT-IR, GPC, Elemental analysis, TGA, UV-vis absorption spectroscopy, photoluminescence spectroscopy and cyclic voltammetry. When applied in the DSSCs, the sensitizer P1 exhibits the best energy conversion efficiency of 1.57% (Jsc = 4.12 mA/cm, Voc = 0.62 V, FF = 61.7%) under simulate AM 1.5G solar irradiation. The TGA data show that these new dyes own good thermal stability. These results will facilitate the understanding of the crucial importance of molecular engineering and pave a new path to design novel conjugated organic polymer dye for highly efficient and stable DSSCs. [Figure not available: see fulltext.]
- Subjects
METAL complexes; PHENOTHIAZINE; PHOTOVOLTAIC power generation; THIOPHENES; CHEMICAL synthesis; THIOPHENE derivatives; DYE-sensitized solar cells
- Publication
Journal of Chemical Sciences, 2015, Vol 127, Issue 3, p395
- ISSN
0974-3626
- Publication type
Article
- DOI
10.1007/s12039-015-0790-5