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Enhancement Mechanisms of the Power Conversion Efficiency for the P3HT:PCBM Bulk Heterojunction Solar Cells with a LiF Cathode Buffer Layer Due to Thermal Annealing
- Issue Date
- Oct-2014
- Publisher
- Taylor & Francis
- Keywords
- P3HT:PCBM layer; Photovoltaic cells; LiF cathode buffer layer; power conversion efficiency; thermal annealing
- Citation
- Molecular Crystals and Liquid Crystals, v.602, no.1, pp 159 - 167
- Pages
- 9
- Indexed
- SCI
SCIE
SCOPUS
- Journal Title
- Molecular Crystals and Liquid Crystals
- Volume
- 602
- Number
- 1
- Start Page
- 159
- End Page
- 167
- ISSN
- 1542-1406
1543-5318
- Abstract
- The effect of thermal annealing on the device characteristics of the bulk heterojunction poly(3-hexylthiophene) (P3HT):fullerene derivative [6,6]-phenyl-C61-butyric acid methyl ester (PCBM) solar cells was investigated. Absorption spectra showed that the absorption intensity was highest for the P3HT:PCBM layer with a LiF layer annealed for 5min. Atomic force microscopy images showed that the P3HT:PCBM layer with a LiF layer annealed for 5min had the uniform surface morphology. The fabricated organic photovoltaic (OPV) cells annealed for 5min showed the enhanced power conversion efficiency of 3.87% than that of the OPV cells annealed for 3 or 10min.
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Collections - 서울 공과대학 > 서울 융합전자공학부 > 1. Journal Articles
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