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Charge transport in nanostructured materials for solar energy conversion studied by time-resolved terahertz spectroscopy
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SYSNO ASEP 0350339 Druh ASEP J - Článek v odborném periodiku Zařazení RIV J - Článek v odborném periodiku Poddruh J Článek ve WOS Název Charge transport in nanostructured materials for solar energy conversion studied by time-resolved terahertz spectroscopy Tvůrce(i) Němec, Hynek (FZU-D) RID, ORCID, SAI
Kužel, Petr (FZU-D) RID, ORCID, SAI
Sundström, V. (SE)Zdroj.dok. Journal of Photochemistry and Photobiology A-Chemistry. - : Elsevier - ISSN 1010-6030
Roč. 215, 2-3 (2010), s. 123-139Poč.str. 17 s. Jazyk dok. eng - angličtina Země vyd. CH - Švýcarsko Klíč. slova time-resolved terahertz spectroscopy ; ultrafast dynamics ; bulk heterojunction ; semiconductor nanostructures ; transport ; mobility Vědní obor RIV BM - Fyzika pevných látek a magnetismus CEP GP202/09/P099 GA ČR - Grantová agentura ČR IAA100100902 GA AV ČR - Akademie věd LC512 GA MŠMT - Ministerstvo školství, mládeže a tělovýchovy CEZ AV0Z10100520 - FZU-D (2005-2011) UT WOS 000283630200001 DOI 10.1016/j.jphotochem.2010.08.006 Anotace 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. Pracoviště Fyzikální ústav Kontakt Kristina Potocká, potocka@fzu.cz, Tel.: 220 318 579 Rok sběru 2011
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