NDLI: Fabrication of Phase-Separated $Benzoporphycene/[6,6]-Phenyl-C_{61}$-Butyric Acid Methyl Ester Films for Use in Organic Photovoltaic Cells

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Fabrication of Phase-Separated $Benzoporphycene/[6,6]-Phenyl-C_{61}$-Butyric Acid Methyl Ester Films for Use in Organic Photovoltaic Cells

Content Provider	Scilit
Author	Saeki, Hiroyuki Misaki, Masahiro Kuzuhara, Daiki Yamada, Hiroko Ueda, Yasukiyo
Copyright Year	2013
Description	Journal: Japanese Journal of Applied Physics The crystallization behavior of benzoporphycene (BPc) converted from a thermoconvertible BPc precursor (BPc-pre) in the presence of [6,6]-phenyl-C61-butyric acid methyl ester (PCBM) was investigated. Upon annealing spin-coated films of BPc-pre and PCBM, BPc and PCBM crystallized individually to form a phase-separated structure. Repeated spin-coating of BPc-pre and PCBM in dichloromethane solution and subsequent annealing allowed the thickness of BPc films to be increased. BPc crystallized homoepitaxially on the underlying crystalline BPc layer after each deposition step. The thermal conversion conditions affected the size of BPc and PCBM crystals and the photovoltaic properties of the corresponding cells. An organic photovoltaic cell containing a repeatedly stacked BPc/PCBM film prepared by annealing at 250 °C for 1 min showed good rectification and a power conversion efficiency of 0.16%.
Related Links	http://iopscience.iop.org/1347-4065/52/11R/111601/pdf/1347-4065_52_11R_111601.pdf
ISSN	00214922
e-ISSN	13474065
DOI	10.7567/jjap.52.111601
Journal	Japanese Journal of Applied Physics
Issue Number	11R
Volume Number	52
Language	English
Publisher	IOP Publishing
Publisher Date	2013-11-01
Access Restriction	Open
Subject Keyword	Journal: Japanese Journal of Applied Physics Organic Photovoltaic Cells
Content Type	Text
Resource Type	Article
Subject	Physics and Astronomy Engineering

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