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231223s2010 xx |||||o 00| ||eng c |
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|a 10.1021/la100564c
|2 doi
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|a pubmed25n0656.xml
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|e rakwb
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|a eng
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| 100 |
1 |
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|a Fang, Baizeng
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Incorporating hierarchical nanostructured carbon counter electrode into metal-free organic dye-sensitized solar cell
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| 264 |
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|c 2010
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 30.09.2010
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|a Date Revised 30.06.2010
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|a published: Print
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|a Citation Status PubMed-not-MEDLINE
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|a Hierarchical nanostructured carbon with a hollow macroporous core of ca. 60 nm in diameter in combination with mesoporous shell of ca. 30 nm in thickness has been explored as counter electrode in metal-free organic dye-sensitized solar cell. Compared with other porous carbon counterparts such as activated carbon and ordered mesoporous carbon CMK-3 and Pt counter electrode, the superior structural characteristics including large specific surface area and mesoporous volume and particularly the unique hierarchical core/shell nanostructure along with 3D large interconnected interstitial volume guarantee fast mass transport in hollow macroporous core/mesoporous shell carbon (HCMSC), and enable HCMSC to have highly enhanced catalytic activity toward the reduction of I(3)(-), and accordingly considerably improved photovoltaic performance. HCMSC exhibits a V(oc) of 0.74 V, which is 20 mV higher than that (i.e., 0.72 V) of Pt. In addition, it also demonstrates a fill factor of 0.67 and an energy conversion efficiency of 7.56%, which are markedly higher than those of its carbon counterparts and comparable to that of Pt (i.e., fill factor of 0.70 and conversion efficiency of 7.79%). Furthermore, HCMSC possesses excellent chemical stability in the liquid electrolyte containing I(-)/I(3)(-) redox couples, namely, after 60 days of aging, ca. 87% of its initial efficiency is still achieved by the solar cell based on HCMSC counter electrode
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|a Journal Article
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1 |
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|a Fan, Sheng-Qiang
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Kim, Jung Ho
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Kim, Min-Sik
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Kim, Minwoo
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Chaudhari, Nitin K
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Ko, Jaejung
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Yu, Jong-Sung
|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 1991
|g 26(2010), 13 vom: 06. Juli, Seite 11238-43
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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| 773 |
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|g volume:26
|g year:2010
|g number:13
|g day:06
|g month:07
|g pages:11238-43
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|u http://dx.doi.org/10.1021/la100564c
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