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Journal Article
Effects of Thermal Annealing on the Efficiency of Bulk-Heterojunction Organic Photovoltaic Devices
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- Authors
- Jin Wook Jeong, Jin Woo Huh, Jeong Ik Lee, Hye Yong Chu, Il Ki Han, Byeong-Kwon Ju
- Issue Date
- 2010-05
- Citation
- Current Applied Physics, v.10, no.3 SUPPL., pp.S520-S524
- ISSN
- 1567-1739
- Publisher
- Elsevier
- Language
- English
- Type
- Journal Article
- Abstract
- 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.
- KSP Keywords
- Conversion efficiency(C.E.), Gas environments, Hot plate, Light conversion efficiency, Rapid thermal annealing(RTA), annealing process, bulk-heterojunction, different environments, organic photovoltaic devices, vacuum environment