Performance optimization of active layer doped P3HT:PCBM nanoparticles for organic photovoltaic cell applications
Source abstract
Abstract
Improving the performance of nanoparticle photoactive layers is a key factor in the fabrication of organic photovoltaic nanoparticle (OPV-NP) devices. In this study, we doped the nanoparticle photoactive layer of OPVs with cobalt NPs (1:2.5%). We characterized the doped NP thin film by measuring its surface morphology and electrical properties as a function of temperature and light intensity. The results showed that the current of P3HT:PCBM:Co NPs was enhanced by ~1.5 times compared with pure NPs and ~11 times with BHJ. The photo-responsivity and photo-sensitivity of doped P3HT:PCBM:Co NPs were also improved. The activation energy was determined for three active layer types, and it was found that the doped NP thin film had the lowest activation energy. This suggests that the doped NP thin film has the best performance due to the increased free charge generation and transfer, and the reduced charge recombination losses.
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Research context
OpenAlex topics: Organic Electronics and Photovoltaics · Conducting polymers and applications · Organic Light-Emitting Diodes Research
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References (23)
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