Imine-carbene-based ruthenium complexes for dye-sensitized solar cells: The effect of isomeric mixture on the photovoltaic performance

Yogesh S. Tingare, Chaochin Su, Ming Tai Shen, Sheng Han Tsai, Shih Yu Ho, Subhendu Chakroborty, Wen Ren Li

Research output: Contribution to journalArticlepeer-review

2 Scopus citations

Abstract

New isomeric sensitizers containing an imine-carbene (IC)-based ancillary ligand, isomers IC101 and IC102, were designed for application in dye-sensitized solar cells (DSSCs). These ruthenium complexes were synthesized and isolated using simple purification methods. The DSSCs sensitized with IC101 and IC102 exhibited overall conversion efficiencies of 6.32% and 6.59%, respectively. Although these two isomers gave similar device output, reduction in the power conversion efficiency (5.52%) was observed when the cell was fabricated using a 1:1 mixture of both sensitizers. The results highlight the importance of isomeric purity of the sensitizing complexes to gain high performance DSSCs. This journal is

Original languageEnglish
Pages (from-to)20568-20573
Number of pages6
JournalNew Journal of Chemistry
Volume44
Issue number47
DOIs
StatePublished - 21 Dec 2020

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