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Effect on Cell Effi...
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Fredin, Kristofer
(author)
Effect on Cell Efficiency following Thermal Degradation of Dye-Sensitized Mesoporous Electrodes Using N719 and D5 Sensitizers
- Article/chapterEnglish2009
Publisher, publication year, extent ...
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2009-10-05
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American Chemical Society (ACS),2009
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printrdacarrier
Numbers
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LIBRIS-ID:oai:DiVA.org:kth-18877
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https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-18877URI
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https://doi.org/10.1021/jp9055208DOI
Supplementary language notes
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Language:English
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Summary in:English
Part of subdatabase
Classification
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Subject category:ref swepub-contenttype
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Subject category:art swepub-publicationtype
Notes
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QC 20100525
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This work examines the comparative durability of two common dyes at temperatures that may be experienced during fabrication of dye-sensitized solar cells (DSCs) such as through the application of thermoplastics for encapsulation or the use of a molten solid-state hole conductor. Dye-sensitized electrodes were heated in an atmosphere of air or nitrogen and thereafter used as working electrodes in DSCs. Electrodes sensitized with N719 appeared more sensitive to thermal degradation than electrodes sensitized with D5, although absorbance measurements suggest similar first-order degradation rates for the two dyes. Intensity modulated photovoltage spectroscopy and intensity modulated photocurrent spectroscopy were used to measure the effect of heating on electron lifetime and transport. It was found that the electron diffusion length may.. be as low as 10% for heated samples, compared to that of the unheated counterpart, and therefore, we assess recombination as an additional efficiency limiting process in our experiments.
Added entries (persons, corporate bodies, meetings, titles ...)
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Anderson, Kenrick F.
(author)
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Duffy, Noel W.
(author)
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Wilson, Gregory J.
(author)
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Fell, Christopher J.
(author)
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Hagberg, Daniel P.KTH,Skolan för kemivetenskap (CHE)(Swepub:kth)u1kux7rv
(author)
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Sun, LichengKTH,Organisk kemi(Swepub:kth)u1umfd9h
(author)
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Bach, Udo
(author)
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Lindquist, Sten-Eric
(author)
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KTHSkolan för kemivetenskap (CHE)
(creator_code:org_t)
Related titles
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In:The Journal of Physical Chemistry C: American Chemical Society (ACS)113:43, s. 18902-189061932-74471932-7455
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