Non-peripheral octahexylphthalocyanine doping effects in bulk heterojunction polymer solar cells
作者： Tetsuro Hori , Tetsuya Masuda , Naoki Fukuoka , Takeshi Hayashi , Yasuo Miyake
DOI: 10.1016/J.ORGEL.2011.11.029
关键词:
摘要: Abstract The improvement of long-wavelength sensitivity in bulk heterojunction organic thin-film solar cells based on poly(3-hexylthiophene) (P3HT) by the addition soluble phthalocyanine derivative, 1,4,8,11,15,18,22,25-octahexylphthalocyanine (C6PcH2) is reported. C6PcH2 possesses near-infrared absorption and can be mixed with a P3HT:1-(3-methoxy-carbonyl)-propyl-1-1-phenyl-(6,6)C61 (PCBM) active layer. By doping C6PcH2, photosensitivity region was improved, energy conversion efficiency reached 3.0% at composition ratio P3HT:C6PcH2:PCBM = 10:3:10. We discuss principle photoconversion cell P3HT:C6PcH2:PCBM layer taking into consideration existence both highly ordered P3HT domains hexagonal columnar structures microphase separation
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