Uncovering the secret of ternary polymer solar cell success

https://techxplore.com/news/2022-04-uncovering-secret-ternary-polymer-solar.html

"adding extra ingredient to the mix—giving ternary PSC—can improve power conversion efficiency (PCE) and stability... conducted electron spin resonance (ESR) spectroscopy while PSC was operating. This gave them the chance to observe the behavior of the electrons and holes when cell was irradiated with sunlight... accumulation of charge over time contributes to the performance of cells deteriorating... adding an acceptor molecule, known as ITIC, to this system improves PCE and the stability"

Related: A new conducting polymer complex to create stable and fully printable organic solar cells

https://techxplore.com/news/2022-05-polymer-complex-stable-fully-printable