Presentation Information

1:15 PM - 1:30 PM JST(4:15 AM - 4:30 AM UTC)

[7p-S201-2]Correlation between charge accumulation behavior and device performance of organic solar cells studied using the DCM-PL method

〇Yuki Miyazawa¹, Yutaka Noguchi¹ (1.Meiji Univ.)

Keywords:

Organic thin-film solar cells,Displacement current measurement,PL intensity measurement

The displacement current measurement (DCM) enables the analysis of charge dynamics within optoelectronic devices. Our research group has previously suggested a method that combines DCM with photoluminescence (PL) intensity measurements—referred to as the DCM-PL method —and has demonstrated its utility in evaluating charge–exciton quenching (EPQ) characteristics in organic light-emitting diodes (OLEDs). In this study, we applied the DCM-PL method to organic thin-film solar cells with the aim of elucidating loss mechanisms such as charge accumulation and EPQ, which are considered critical factors limiting power conversion efficiency.

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