ProductsOPV - n-type Materials



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EH-IDTBR is a high performance non-fullerene acceptor for organic solar cells. It was first used with P3HT to build remarkably air-stable OPV devices with a PCE over 6%. It is also known to produce stable devices with a PCE over 11% with the PffBT4T polymer donor family (see:PffBT4T-2OD and PffBT4T-2DT). It can also be processed in non-halogenated solvants such as xylene and mesitylene, whicheven improves device reproducibility.

EH-IDTBR is one of the few NFAs that combines the necessary properties required for large scale use.

[1] Holliday, S.; Ashraf, R. S.; Wadsworth, A.; Baran, D.; Yousaf, S. A.; Nielsen, C. B.; Tan, C.-H.; Dimitrov, S. D.; Shang, Z.; Gasparini, N.; Alamoudi, M.; Laquai, F.; Brabec, C. J.; Salleo, A.; Durrant, J. R.; McCulloch, I., High-efficiency and air-stable P3HT-based polymer solar cells with a new non-fullerene acceptor. Nat. Commun. 2016, 7, 11585.

[2] Cha, H.; Wu, J.; Wadsworth, A.; Nagitta, J.; Limbu, S.; Pont, S.; Li, Z.; Searle, J.; Wyatt, M. F.; Baran, D.; Kim, J.-S.; McCulloch, I.; Durrant, J. R., An Efficient, “Burn in” Free Organic Solar Cell Employing a Nonfullerene Electron Acceptor. Adv. Mater. 2017, 29 (33), 1701156.

[3] Wadsworth, A.; Ashraf, R. S.; Abdelsamie, M.; Pont, S.; Little, M.; Moser, M.; Hamid, Z.; Neophytou, M.; Zhang, W.; Amassian, A.; Durrant, J. R.; Baran, D.; McCulloch, I., Highly Efficient and Reproducible Nonfullerene Solar Cells from Hydrocarbon Solvents. ACS Energy Letters 2017, 2 (7), 1494-1500.

[4] Cha, H.; Fish, G.; Luke, J.; Alraddadi, A.; Lee, H. H.; Zhang, W.; Dong, Y.; Limbu, S.; Wadsworth, A.; Maria, I. P.; Francàs, L.; Sou, H. L.; Du, T.; Kim, J.-S.; McLachlan, M. A.; McCulloch, I.; Durrant, J. R., Suppression of Recombination Losses in Polymer:Nonfullerene Acceptor Organic Solar Cells due to Aggregation Dependence of Acceptor Electron Affinity. Adv. Energy Mater. 2019, 9 (27), 1901254.

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