June 3, 2025 at 12:00 p.m.

ABSTRACT

Perovskite solar cells (PSCs) have demonstrated remarkable power conversion efficiencies exceeding 26%, yet many research groups struggle with reproducibility and long-term stability. This study focuses on semitransparent PSCs in an inverted (p–i–n) architecture. 

By combining light-intensity-dependent current–voltage (J–V) measurements with ISOS-D, ISOS-L, and ISOS-O degradation protocols, we analyze the evolution of key photovoltaic parameters (PCE, Voc, Jsc, FF) and identify dominant recombination pathways. Our method allows clear differentiation between bulk and interface-related recombination, and helps locate which interface (HTL or ETL) limits performance—without requiring advanced numerical modeling. 

Additionally, we investigate the integration of UV-to-visible down-conversion layers (TPETPA and DPABA), which exhibit photoluminescence quantum yields up to 60% and lead to a PCE gain of ~0.4% through enhanced light harvesting. 

These findings provide a practical framework for improving both the efficiency and durability of PSCs through targeted material and device design strategies.

ABOUT DAMIAN

Damian Głowienka is PhD Professor at Gdańsk University of Technology, Poland.

Skills and Expertise

Material Characterization * MaterialsElectronic * StructureMaterial * ModelingHybrid MaterialsAdvanced      *      Materials Photovoltaics