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231223s2009 xx |||||o 00| ||eng c |
| 024 |
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|a 10.1021/la900247r
|2 doi
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|a pubmed24n0630.xml
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|a (DE-627)NLM189069244
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|a (NLM)19499942
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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 Lee, Hyo Joong
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Regenerative PbS and CdS quantum dot sensitized solar cells with a cobalt complex as hole mediator
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| 264 |
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|c 2009
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| 336 |
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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| 338 |
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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| 500 |
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|a Date Completed 14.09.2009
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|a Date Revised 30.06.2009
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|a published: Print
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|a Citation Status PubMed-not-MEDLINE
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|a Metal sulfide (PbS and CdS) quantum dots (QDs) were prepared over mesoporous TiO2 films by improved successive ionic layer adsorption and reaction (SILAR) processes. The as-prepared QD-sensitized electrodes were combined with a cobalt complex redox couple [Co(o-phen)3]2+/3+ to make a regenerative liquid-type photovoltaic cell. The optimized PbS QD-sensitized solar cells exhibited promising incident photon-to-current conversion efficiency (IPCE) of over 50% and an overall conversion efficiency of 2% at 0.1 sun in a regenerative mode. The overall photovoltaic performance of the PbS QD-sensitized cells was observed to be dependent on the final turn of the SILAR process, giving a better result when the final deposition was Pb2+, not S2-. However, in the case of CdS QD-sensitized cells, S2- termination was better than that of Cd2+. The cobalt complex herein used as a regenerative redox couple was found to be more efficient in generating photocurrents from PbS QD cells than the typical hole scavenger Na2S in a three-electrode configuration. The CdS-sensitized cell with this redox mediator also showed better defined current-voltage curves and an IPCE reaching 40%
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|a Journal Article
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| 700 |
1 |
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|a Chen, Peter
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Moon, Soo-Jin
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Sauvage, Frédéric
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Sivula, Kevin
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Bessho, Takeru
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Gamelin, Daniel R
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Comte, Pascal
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zakeeruddin, Shaik M
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Seok, Sang Il
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Grätzel, Michael
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Nazeeruddin, Md K
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1992
|g 25(2009), 13 vom: 07. Juli, Seite 7602-8
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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| 773 |
1 |
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|g volume:25
|g year:2009
|g number:13
|g day:07
|g month:07
|g pages:7602-8
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| 856 |
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|u http://dx.doi.org/10.1021/la900247r
|3 Volltext
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