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Dye-sensitized sola...
Dye-sensitized solar cells employing a SnO2-TiO2 core-shell structure made by atomic layer deposition
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- Karlsson, Martin, 1982- (författare)
- Uppsala universitet,Fysikalisk kemi
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- Indrek, Jõgi (författare)
- Uppsala universitet,Oorganisk kemi
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- Eriksson, Susanna K (författare)
- Uppsala universitet,Fysikalisk kemi
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visa fler...
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- Rensmo, Håkan (författare)
- Uppsala universitet,Yt- och gränsskiktsvetenskap
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- Boman, Mats (författare)
- Uppsala universitet,Oorganisk 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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visa färre...
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(creator_code:org_t)
- Engelska.
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Ingår i: Advanced Energy Materials.
- Relaterad länk:
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https://urn.kb.se/re...
Abstract
Ämnesord
Stäng
- This paper describes the synthesis and characterization of core-shell structures, based on a SnO2 and TiO2 for use in dye-sensitized solar cells (DSC). Atomic layer deposition is employed to control and vary the thickness of the TiO2 shell. Increasing the TiO2 shell thickness to 2 nm improves the device performance of liquid electrolyte DSC from 0.7 % to 3.5 %. The increase in efficiency originates from a higher open-circuit potential and a higher short-circuit current as well as an improvement in the electron lifetime. SnO2-TiO2 core-shell DSC devices retain their photo-voltage in darkness for longer than 500 seconds showing that electrons are contained in the core material. Finally core-shell structures were used for solid-state DSC applications using the hole transporting material 2,2’,7,7’,-tetrakis(N,N-di-p-methoxyphenyl-amine)-9,9’,-spirofluorene. Similar increases in devices performance are seen for these solid-state DSC devices.
Ämnesord
- NATURVETENSKAP -- Kemi -- Fysikalisk kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Physical Chemistry (hsv//eng)
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