K. Takahashi

Publications141
h-index25
Citations2,638
Highly Influential Citations14
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High-performance carbon counter electrode for dye-sensitized solar cells
Here, we reported that a new carbon electrode prepared with an activated carbon was superior to a Pt sputtered electrode as the counter electrode ofdye-sensitized solar cells. The photovoltaic… Expand
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Characterization of inverted-type organic solar cells with a ZnO layer as the electron collection electrode by ac impedance spectroscopy.
An inverted-type organic bulk-heterojunction solar cell inserting zinc oxide (ZnO) as an electron collection electrode, fluorine-doped tin oxide (FTO)/ZnO/[6,6]-phenyl-C(61)-butyric acid methyl… Expand
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Inverted type bulk-heterojunction organic solar cell using electrodeposited titanium oxide thin films as electron collector electrode
Abstract We developed an inverted type bulk-heterojunction organic solar cell with 1 cm2 active area using a fluorine-doped tin oxide/electrodeposited amorphous (TiOx) or anatase (TiO2) titanium… Expand
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Flexible inverted polymer solar cells on polyethylene terephthalate substrate containing zinc oxide electron-collection-layer prepared by novel sol–gel method and low-temperature treatments
Abstract Flexible and air-stable polymer solar cells were fabricated on a polyethylene terephthalate (PET) substrate. The cell structure was indium tin oxide (ITO) on PET/zinc oxide… Expand
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Synthesis and Characterization of Thieno[3,4-b]thiophene-Based Copolymers Bearing 4-Substituted Phenyl Ester Pendants: Facile Fine-Tuning of HOMO Energy Levels
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Mechanistic Investigation into the Light Soaking Effect Observed in Inverted Polymer Solar Cells Containing Chemical Bath Deposited Titanium Oxide
In the glass–indium tin oxide (ITO)/titanium oxide (TiOx)/regioregular poly(3-hexylthiophene) (P3HT):[6,6]-phenyl C61 butyric acid methyl ester… Expand
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Performance Enhancement by Blending an Electron Acceptor in TiO2/polyphenylenevinylene/Au Solid-state Solar Cells
When an electron acceptor, [2-[2-[4-(dimethylainino)phenyl]-ethenyl]-6-methyl-4H-pyran-4-ylidene]propanedinitrile (DCM) was blended into poly[2-methoxy-5-(2'-ethylenehexy)-1,4-phenylenevinylene]… Expand
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Electrocatalytic Epoxidation of Cyclohexene by Manganese(III) Porphyrin Using Electron Mediator.
For an electrocatalytic oxidation of cyclohexene in an air-equilibrated acetonitrile solution containing (5,10,15,20-tetraphenylporphyrinato)manganese(III) as a catalyst, benzoic anhydride as an… Expand
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Photovoltaic properties of porphyrin thin films mixed with o-chloranil
By mixing Zntpp solid with o-chloranil, the rectification and photovoltaic properties of Al/porphyrin/Au sandwich-type cell are improved (Zntpp: 5, 10, 15, 20-tetraphenylporphyrinatozinc). The… Expand
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Highly durable inverted-type organic solar cell using amorphous titanium oxide as electron collection electrode inserted between ITO and organic layer
An indium tin oxide/titanium oxide/[6,6]-phenyl C61 butyric acid methyl ester:regioregular poly(3-hexylthiophene)/poly(3,4-ethylenedioxylenethiophene):poly(4-styrene sulfonic acid)/Au type organic… Expand
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