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Understanding Inter...
Understanding Interfacial Charge Transfer between Metallic PEDOT Counter Electrodes and a Cobalt Redox Shuttle in Dye-Sensitized Solar Cells
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- Park, Byung-wook (författare)
- Uppsala universitet,Fysikalisk kemi
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- Pazoki, Meysam (författare)
- Uppsala universitet,Fysikalisk kemi
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- Aitola, Kerttu (författare)
- Uppsala universitet,Fysikalisk kemi
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- Jeong, Seunghee (författare)
- Uppsala universitet,Fasta tillståndets elektronik
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- Johansson, Erik M. J. (författare)
- Uppsala universitet,Fysikalisk kemi
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- Hagfeldt, Anders (författare)
- Uppsala universitet,Fysikalisk kemi
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- Boschloo, Gerrit (författare)
- Uppsala universitet,Fysikalisk kemi
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(creator_code:org_t)
- 2014-01-21
- 2014
- Engelska.
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Ingår i: ACS Applied Materials and Interfaces. - : American Chemical Society (ACS). - 1944-8244 .- 1944-8252. ; 6:3, s. 2074-2079
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- Conducting polymer poly(3,4-ethylenedioxythiophene) (PEDOT) doped with iron(111) tris-p-toluenesulfonate (PEDOT:Tos) having metallic conductivity was coated onto fluorine-doped tin oxide (FTO) glass and plain glass substrates and used as a counter electrode (CE) in a dye-sensitized solar cell (DSC) with a [Co(bpy)(3)](3+/2+) complex redox shuttle. DSCs with PEDOT:Tos/glass CE yielded power conversion efficiencies (PCE) of 6.3%, similar to that of DSCs with platinized FTO glass CE (6.1%). The PEDOT:Tos-based counter electrodes had 5 to 10 times lower charge-transfer resistance than the Pt/FTO CE in DSCs, as analyzed by impedance spectroscopy. More detailed studies in symmetrical CE-CE cells showed that the PEDOT:Tos layers are nanoporous. Not all internal area can be used catalytically under solar cell conditions and effective charge-transfer resistance was similar to that of Pt/FTO.
Nyckelord
- dye-sensitized solar cells
- counter electrode
- electrocatalytic activity
- metallic PEDOT
- tosylate
- Co complex electrolyte
- Engineering Science with specialization in Electronics
- Teknisk fysik med inriktning mot elektronik
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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