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The sandwich structure electrodes based on wire-like TiO2–β-cyclodextrin–SWCNT composite for dye-sensitized solar cells

Paper ID Volume ID Publish Year Pages File Format Full-Text
28079 44058 2009 5 PDF Available
Title
The sandwich structure electrodes based on wire-like TiO2–β-cyclodextrin–SWCNT composite for dye-sensitized solar cells
Abstract

Wire-like TiO2–β-cyclodextrin (CD)–SWCNT composites have been successfully fabricated through solar-induced self-assembly. The wires with the mean diameter of 1 μm were uniform and stable. β-CD molecules acted as linkers between SWCNT and monodisperse TiO2 nanoparticles because β-CD can interact with both SWCNT and TiO2 nanoparticles. The sandwich structure electrode based on the wires in the middle was fabricated. And the dye-sensitized solar cells with this sandwich structure electrode, which exhibited enhanced power conversion efficiency, were systematically studied. The improved photoelectrical performance was attributed to the effective separation of photoinduced electrons and holes and the rapid transportation of photogenerated electrons of SWCNT, which was demonstrated by surface photovoltage spectroscopy (SPS) and electrochemical impedance spectroscopy (EIS).

Keywords
Sandwich structure electrode; Composite; Dye-sensitized solar cells; Raman mapping
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The sandwich structure electrodes based on wire-like TiO2–β-cyclodextrin–SWCNT composite for dye-sensitized solar cells
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Publisher
Database: Elsevier - ScienceDirect
Journal: Journal of Photochemistry and Photobiology A: Chemistry - Volume 207, Issues 2–3, 25 September 2009, Pages 306–310
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
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Price was $35.95
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Price after discount Only $4.95
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