Cuprous oxide thin films as a supporting layer in binary and ternary organic cells
Gabriela Lewinska a, Katarzyna Ungeheuer a, Jerzy Sanetra b, Konstanty Marszalek a
a AGH University of Krakow, Institute of Electronics, 30 Mickiewicza Ave, 30-059 Krakow, Poland
b retired
Poster, Gabriela Lewinska, 179
Publication date: 6th February 2024

Ternary organic solar cells[1][2] are a promising notion in organic photovoltaics. Ternary photovoltaic cells incorporate an additional donor or acceptor into the usual bulk heterojunction. This type of doping is intended to increase efficiency by broadening the absorption spectrum of the active layer and boosting junction conductivity. The role of the additive serves as the foundation for ternary cell classification.

Copper oxides[3] are nontoxic semiconductors with high stability and abundant raw ingredients. In each of the applications, it is recommended to seek a technique to increase the qualities of these materials thin films, such as electrical conductivity or light absorption.

Results of the optical, surface morphology, and also sheet resistivity measurements  will be presented for the investigated layers

In this work, the aforementioned oxides were applied in traditional binary photovoltaic cells and also in ternary organic solar cells.

This paper will present a study of cuprous oxide thin films used as an intermediate layer in a ternary cell. Configurations of active layers  based on poly (3-hexylthiophene-2,5 days) (P3HT) and 6,6 -phenyl C71 butyric acid methyl ester (PC71BM)[4] and a mixture of PTB7-Th (PCE10, PBDTTT-EFT , poly([2,6′-4,8-di(5-ethylhexylthienyl)benzo[1,2-b; 3,3-b]dithiophene]{3-fluoro-2[(2-ethylhexyl)carbonyl]thieno[3,4-b]thiophenediyl}) ) and non fullerene acceptor Y6 (BTP-4F, Y6, PCE 157) will be tested.  Na

On the basis of the above materials Ternary organic solar cells with an introduced active layer were fabricated. The organic solar cells' characteristics and their photovoltaic parameters were demonstrated.

Research project funded by the Excellence Initiative - Research University program at AGH.

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