Recycling of spin-triplet excitons in organic photovoltaics

Nature News ·

Recycling of spin-triplet excitons in organic photovoltaics

Veldman, D., Meskers, S. C. J. & Janssen, R. A. J. The energy of charge-transfer states in electron donor–acceptor blends: insight into the energy losses in organic solar cells. Adv. Funct. Mater. …

Veldman, D., Meskers, S. C. J. & Janssen, R. A. J. The energy of charge-transfer states in electron donor–acceptor blends: insight into the energy losses in organic solar cells. Adv. Funct. Mater. 19 , 1939–1948 (2009). Article CAS Google Scholar Rao, A. et al. The role of spin in the kinetic control of recombination in organic photovoltaics. Nature 500 , 435–439 (2013). Article ADS CAS PubMed Google Scholar Chen, Z. et al. Triplet exciton formation for non-radiative voltage loss in high-efficiency nonfullerene organic solar cells. Joule 5 , 1832–1844 (2021). Article CAS Google Scholar Gillett, A. J. et al. The role of charge recombination to triplet excitons in organic solar cells. Nature 597 , 666–671 (2021). Article ADS CAS PubMed Google Scholar Grüne, J. et al. Triplet excitons and associated efficiency-limiting pathways in organic solar cell blends based on (non-) halogenated PBDB-T and Y-Series. Adv. Funct. Mater. 33 , 2212640 (2023). Article Google Scholar Uoyama, H., Goushi, K., Shizu, K., Nomura, H. & Adachi, C. Highly efficient organic light-emitting diodes from delayed fluorescence. Nature 492 , 234–238 (2012). Article ADS CAS PubMed Google Scholar Hatakeyama, T. et al. Ultrapure blue thermally activated delayed fluorescence molecules: efficient HOMO–LUMO separation by the multiple resonance effect. Adv. Mater. 28 , 2777–2781 (2016). Article CAS PubMed Google Scholar Izawa, S. & Hiramoto, M. …

Original source: Nature News