Synthesis and Physico-Chemical Properties of Homoleptic Copper(I) Complexes with Asymmetric Ligands as a DSSC Dye

Autor:	Tomohiko Inomata, Mayuka Hatano, Yuya Kawai, Ayaka Matsunaga, Takuma Kitagawa, Yuko Wasada-Tsutsui, Tomohiro Ozawa, Hideki Masuda
Jazyk:	angličtina
Rok vydání:	2021
Předmět:	dye-sensitized solar cell homoleptic Cu(I) complex dye asymmetric ligand Organic chemistry QD241-441
Zdroj:	Molecules, Vol 26, Iss 22, p 6835 (2021)
Druh dokumentu:	article
ISSN:	1420-3049
DOI:	10.3390/molecules26226835
Popis:	To develop low-cost and efficient dye-sensitized solar cells (DSSCs), we designed and prepared three homoleptic Cu(I) complexes with asymmetric ligands, M1, M2, and Y3, which have the advantages of heteroleptic-type complexes and compensate for their synthetic challenges. The three copper(I) complexes were characterized by elemental analysis, UV-vis absorption spectroscopy, and electrochemical measurements. Their absorption spectra and orbital energies were evaluated and are discussed in the context of TD-DFT calculations. The complexes have high VOC values (0.48, 0.60, and 0.66 V for M1, M2, and Y3, respectively) which are similar to previously reported copper(I) dyes with symmetric ligands, although their energy conversion efficiencies are relatively low (0.17, 0.64, and 2.66%, respectively).
Databáze:	Directory of Open Access Journals
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