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학술지 Effects of Thermal Annealing on the Efficiency of Bulk-Heterojunction Organic Photovoltaic Devices
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저자
정진욱, 허진우, 이정익, 추혜용, 한일기, 주병권
발행일
201005
출처
Current Applied Physics, v.10 no.3 SUPPL., pp.S520-S524
ISSN
1567-1739
출판사
Elsevier
DOI
https://dx.doi.org/10.1016/j.cap.2010.02.023
협약과제
11MB1100, 환경/감성형 OLED 면조명 기술, 추혜용
초록
This paper studies the effect of the annealing process on the performance of P3HT/PCBM photovoltaic devices, in terms of their efficiencies. The basic photovoltaic devices are annealed on a hot-plate, at a temperature of 150 °C for 10 min in air. For comparison, the thermal annealing of photovoltaic devices is carried out using rapid thermal annealing (RTA) equipment, at a temperature of 150 °C for 10 min in different environments such as in vacuum, in nitrogen and in argon, individually. The light conversion efficiency (Eff) of the resulting photovoltaic devices increases from 2.29% (hot-plate annealing) to 2.77% after annealing in a vacuum environment. As a result, the organic photovoltaic devices, annealed in a vacuum show enhanced efficiencies compared with those annealed in different gas environments. © 2010 Elsevier B.V. All rights reserved.
키워드
Absorption, Annealing, Morphology, Organic solar cells, Photovoltaic
KSP 제안 키워드
Conversion efficiency(C.E.), Gas environments, Light conversion efficiency, Organic photovoltaics(OPVs), Vacuum environment, annealing process, bulk heterojunction, different environments, hot plate, organic photovoltaic devices, organic solar cells