Dataset on the absorption of PCDTBT:PCBM layers and the electro-optical characteristics of air-stable, large-area PCDTBT:PCBM-based polymer solar cell modules, deposited with a custom built slot-die coater.

The data presented in this article is related to the research article entitled "Fabrication of air-stable, large-area, PCDTBT:PCBM polymer solar cell modules using a custom built slot-die coater" (D.I. Kutsarov, E.