Effect of P3HT:PCBM concentration in solvent on performances of organic solar cells
β Scribed by Woon-Hyuk Baek; Hyun Yang; Tae-Sik Yoon; C.J. Kang; Hyun Ho Lee; Yong-Sang Kim
- Book ID
- 108265531
- Publisher
- Elsevier Science
- Year
- 2009
- Tongue
- English
- Weight
- 735 KB
- Volume
- 93
- Category
- Article
- ISSN
- 0927-0248
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Phase separation of the poly(3-hexylthiophene) (P3HT) and [6,6]-phenyl-C 61 -butyric acid methyl ester (PCBM) active layer was investigated by varying its relative ratio in the bulk heterojunction (BHJ) organic solar cells (OSCs). The UV/visible absorption spectra of P3HT and PCBM were proportional
Within the field of organic bulk heterojunction solar cells, the morphology of the active layer has a key role in obtaining high power conversion efficiencies. P3HT nanofibers, obtained in highly concentrated solutions, are able to give controlled morphologies directly upon deposition. Since the sol