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MWCNT/mesoporous carbon nanofibers composites prepared by electrospinning and silica template as counter electrodes for dye-sensitized solar cells

Paper ID Volume ID Publish Year Pages File Format Full-Text
26872 43983 2012 5 PDF Available
Title
MWCNT/mesoporous carbon nanofibers composites prepared by electrospinning and silica template as counter electrodes for dye-sensitized solar cells
Abstract

The mesoporous multi-walled carbon nanotube (CNT)-embedded carbon nanofibers (CNT/Meso-ACNF) were prepared through various steps of electrospinning, stabilization, carbonization, SiO2 template etching, and activation. The CNT/Meso-ACNF showed excellent mesoporous structure, excellent distribution of CNT, and good electrical conductivity in employing as catalysts of counter electrodes for dye-sensitized solar cells (DSSCs). Its mesoporous structure represented surface area of 562 m2/g with average mesopore diameter of 27.32 nm and its electrical conductivity increased to 0.19 S/cm. The overall conversion efficiency of CNT/Meso-ACNF increased to 6.35% with a little higher than Pt counter electrode because its characteristics promotes the electron and ion transfer, decreases the resistance of charge transfer, and increases the contact area between liquid electrolyte and CNT/Meso-ACNF.

► The CNT/Meso-ACNF was prepared by electrospinning, template etching and thermal process. ► The CNT/Meso-ACNF shows both mesoporous structure and high electrical conductivity. ► The overall conversion efficiency of CNT/Meso-ACNF counter electrode increases to 6.35%.

Keywords
Mesoporous CNT-embedded carbon fibers; SiO2 etching; Electrospinning; Counter electrode; Dye-sensitized solar cell
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MWCNT/mesoporous carbon nanofibers composites prepared by electrospinning and silica template as counter electrodes for dye-sensitized solar cells
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Publisher
Database: Elsevier - ScienceDirect
Journal: Journal of Photochemistry and Photobiology A: Chemistry - Volume 246, 15 October 2012, Pages 45–49
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
Online Support
Any Questions? feel free to contact us