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Annealing effect in the sexithiophene:C70 small molecule bulk heterojunction organic photovoltaic cells
Abstract Novel small molecule bulk heterojunction (BHJ) organic photovoltaic (OPV) cells consisting of an alpha-sexithiophen (6T) and a high fullerene (C 70 ) have been developed. 6T is well known asExpand
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Efficient organic photovoltaic tandem cells with novel transparent conductive oxide interlayer and poly (3-hexylthiophene): Fullerene active layers
Abstract Efficient organic photovoltaic tandem cells consisting of P3HT:bis[60]PCBM and P3HT:[70]PCBM active layers and our original transparent conductive oxide interlayer are presented. The shortExpand
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Doping effects for organic photovoltaic cells based on small-molecular-weight semiconductors
Abstract We have studied highly efficient organic photovoltaic (OPV) cells based on small-molecular-weight semiconductors: zinc phthalocyanine (ZnPc) and C60. To improve the efficiency furthermore,Expand
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Glancing angle deposition of copper iodide nanocrystals for efficient organic photovoltaics.
We report a simple method to achieve efficient nanostructured organic photovoltaics via patterning copper iodide (CuI) nanocrystals on indium tin oxide by glancing angle deposition. The strongExpand
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Phase separation of co-evaporated ZnPc:C60 blend film for highly efficient organic photovoltaics
We demonstrate phase separation of co-evaporated zinc phthalocyanine (ZnPc) and fullerene (C60) for efficient organic photovoltaic cells. With introducing aExpand
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Origin of the open-circuit voltage of organic thin-film solar cells based on conjugated polymers
Abstract Recently, efficiency of organic solar cells (OSCs) with conjugated polymers and fullerene derivatives has been increased, in most cases by improving their short-circuit current density.Expand
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Templating effects in molecular growth of blended films for efficient small-molecule photovoltaics.
A strategy to control the molecular growth of coevaporated zinc phthalocyanine (ZnPc) and fullerene (C60) blended films for efficient organic photovoltaic (OPV) cells was demonstrated. IntroductionExpand
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Photo-induced oxidation of polythiophene derivatives: Dependence on side chain structure
Abstract The photooxidation of poly(3-hexylthiophene) (P3HT) has previously been investigated and it is known that the sulfur atom of the thiophene ring is oxidized into sulfur oxides by a hydroxylExpand
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Investigation of optimum conditions for high-efficiency organic thin-film solar cells based on polymer blends
Abstract Organic thin-film solar cells based on poly(3-hexylthiophene) (P3HT) and [6,6]-phenyl-C 61 -buteric acid methyl ester (PCBM) blend system attracts most attention. We studied the effects ofExpand
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Comparative Study on Structural Properties of Poly(3-hexylthiophene) and Poly(3-hexylthiophene):6,6-Phenyl-C61 Butyric Acid Methyl Ester Thin Films Using Synchrotron X-ray Diffraction
The structural properties of a bulk heterojunction of poly(3-hexylthiophene) (P3HT) and 6,6-phenyl-C61 butyric acid methyl ester (PCBM) was investigated using synchrotron X-ray diffraction and atomicExpand
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