TY - JOUR T1 - Optoelectrical Properties and the Study of Thickness and Annealing in Poly-3-hexylthiophene Based ITO Free Organic Solar Cells with TiO2 and MoO3 as Transport Layers JO - Materials Research A1 - Solís-Vivanco, J. F. A1 - De Moure-Flores, F. A1 - Mayén-Hernández, S. A. A1 - Devi, R. Aruna A1 - Gómez-Herrera, M. L. A1 - Santos-Cruz, J. SN - 1516-1439 UL - 10.1590/1980-5373-MR-2021-0416 VL - 25 Y1 - 2022 PB - Brasil ER -