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Charge transport in nanostructured materials for solar energy conversion studied by time-resolved terahertz spectroscopy

Paper ID Volume ID Publish Year Pages File Format Full-Text
28876 44102 2010 17 PDF Available
Title
Charge transport in nanostructured materials for solar energy conversion studied by time-resolved terahertz spectroscopy
Abstract

Spectra of far-infrared conductivity contain useful information on charge transport at nanoscopic length scales. However, decrypting the mechanisms and parameters of charge transport from the measured spectra is a complex task in nanostructured systems: in particular, the conductivity is strongly influenced by charge carrier interaction with surfaces or interfaces between constituents of the composite material as well as by local field effects. Here we review our work on transient far-infrared conductivity in polymer:fullerene bulk heterojunctions and in bare and dye-sensitized semiconductor nanoparticles. Measurements performed by time-resolved terahertz spectroscopy are complemented by Monte-Carlo calculations which clearly link the charge transport properties and the terahertz conductivity spectra.

Keywords
Time-resolved terahertz spectroscopy; Ultrafast dynamics; Bulk heterojunction; Semiconductor nanostructures; Transport; Mobility
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Charge transport in nanostructured materials for solar energy conversion studied by time-resolved terahertz spectroscopy
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Publisher
Database: Elsevier - ScienceDirect
Journal: Journal of Photochemistry and Photobiology A: Chemistry - Volume 215, Issues 2–3, 25 September 2010, Pages 123–139
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