Enhancement of Power Conversion Efficiencies of Polymer Solar Cells by Intense Pulsed Light Irradiation
- Enhancement of Power Conversion Efficiencies of Polymer Solar Cells by Intense Pulsed Light Irradiation
- 양희연; 홍재민; 송용원; 김태환; 임정아
- Issue Date
- 제20회 광전자 및 광통신 학술회의
- We demonstrated a noble method to control the morphology of P3HT:PCBM photoactive
thin-films within a few seconds using white pulsed light for highly efficient polymer solar
cells. Irradiation of pulsed white-light on P3HT:PCBM thin films for only 2 seconds resulted
in improved PCEs of the device almost approaching to that of the devices prepared by typical
thermal treatment. We systematically investigated the influence of pulse management on the
crystallinity and light absorption properties of the P3HT:PCBM layer. The pulsed light
treatment is substantially beneficial to split-second, large area and cost-effective roll-to-roll
production of polymer solar cells.
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