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231223s2007 xx ||||| 00| ||eng c |
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|a pubmed24n0582.xml
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|a (DE-627)NLM17459710X
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|a (NLM)17958387
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Shankar, Karthik
|e verfasserin
|4 aut
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| 245 |
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|a Self-assembled hybrid polymer-TiO2 nanotube array heterojunction solar cells
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|c 2007
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|a Text
|b txt
|2 rdacontent
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|a ohne Hilfsmittel zu benutzen
|b n
|2 rdamedia
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|a Band
|b nc
|2 rdacarrier
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|a Date Completed 08.02.2008
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|a Date Revised 21.11.2013
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|a published: Print-Electronic
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|a ErratumIn: Langmuir. 2008 Dec 16;24(24):14321
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|a Citation Status MEDLINE
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|a Films comprised of 4 microm long titanium dioxide nanotube arrays were fabricated by anodizing Ti foils in an ethylene glycol based electrolyte. A carboxylated polythiophene derivative was self-assembled onto the TiO2 nanotube arrays by immersing them in a solution of the polymer. The binding sites of the carboxylate moiety along the polymer chain provide multiple anchoring sites to the substrate, making for a stable rugged film. Backside illuminated liquid junction solar cells based on TiO2 nanotube films sensitized by the self-assembled polymeric layer showed a short-circuit current density of 5.5 mA cm-2, a 0.7 V open circuit potential, and a 0.55 fill factor yielding power conversion efficiencies of 2.1% under AM 1.5 sun. A backside illuminated single heterojunction solid state solar cell using the same self-assembled polymer was demonstrated and yielded a photocurrent density as high as 2.0 mA cm-2. When a double heterojunction was formed by infiltrating a blend of poly(3-hexylthiophene) (P3HT) and C60-methanofullerene into the self-assembled polymer coated nanotube arrays, a photocurrent as high as 6.5 mA cm-2 was obtained under AM 1.5 sun with a corresponding efficiency of 1%. The photocurrent action spectra showed a maximum incident photon-to-electron conversion efficiency (IPCE) of 53% for the liquid junction cells and 25% for the single heterojunction solid state solar cells
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|a Journal Article
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|a Research Support, U.S. Gov't, Non-P.H.S.
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|a Electrolytes
|2 NLM
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|a Fullerenes
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|a Solutions
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|a Thiophenes
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|a poly(3-hexylthiophene)
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|a titanium dioxide
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|a 15FIX9V2JP
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|a Titanium
|2 NLM
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|a D1JT611TNE
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|a Ethylene Glycol
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|a FC72KVT52F
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|a fullerene C60
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|a NP9U26B839
|2 NLM
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|a Mor, Gopal K
|e verfasserin
|4 aut
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|a Prakasam, Haripriya E
|e verfasserin
|4 aut
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|a Varghese, Oomman K
|e verfasserin
|4 aut
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|a Grimes, Craig A
|e verfasserin
|4 aut
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|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1992
|g 23(2007), 24 vom: 20. Nov., Seite 12445-9
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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| 773 |
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|g volume:23
|g year:2007
|g number:24
|g day:20
|g month:11
|g pages:12445-9
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