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Issue 18, 2019
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A cyclometalating organic ligand with an Iridium center toward dramatically improved photovoltaic performance in organic solar cells

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Abstract

Organometallic compounds as photoactive materials are relatively new in organic solar cells. Upon cyclometalation, the octahedral heteroleptic Ir complex TBzIr exhibits significantly enhanced optical-absorption and improved film-morphology compared to the planar organic 2-(5′′-hexyl-[2,2′:5′,2′′-terthiophen]-5-yl)benzo[d]thiazole (TBz) ligand. Thus, a dramatically improved power conversion efficiency (PCE) from ∼0 to 3.81% is attained when combined with PC71BM.

Graphical abstract: A cyclometalating organic ligand with an Iridium center toward dramatically improved photovoltaic performance in organic solar cells

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Publication details

The article was received on 08 Jan 2019, accepted on 30 Jan 2019 and first published on 30 Jan 2019


Article type: Communication
DOI: 10.1039/C9CC00173E
Chem. Commun., 2019,55, 2640-2643

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    A cyclometalating organic ligand with an Iridium center toward dramatically improved photovoltaic performance in organic solar cells

    Q. Wu, Y. Cheng, Z. Xue, X. Gao, M. Wang, W. Yuan, S. Huettner, S. Wan, X. Cao, Y. Tao and W. Huang, Chem. Commun., 2019, 55, 2640
    DOI: 10.1039/C9CC00173E

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