2019•Journal of Materials Chemistry AOpen access

Novel wide-bandgap non-fullerene acceptors for efficient tandem organic solar cells

Yuliar Firdaus, Qiao He, Yuanbao Lin, Ferry Anggoro Ardy Nugroho, Vincent M. Le Corre, Emre Yengel, Ahmed H. Balawi, Akmaral Seitkhan, Frédéric Laquai, Christoph Langhammer, Feng Liu, Martin Heeney, Thomas D. Anthopoulos

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Abstract

A novel wide-bandgap non-fullerene acceptor, IDTTA, is developed. Using a PBDB-T:IDTTA system as the front-cell and a PTB7-Th:IEICO-4F blend as the back cell, we demonstrate tandem organic solar cells with 15% PCE.

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Key concepts: Tandem, Fullerene, Organic solar cell, Acceptor, Materials science, Band gap, Optoelectronics, Solar cell