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231225s2021 xx |||||o 00| ||eng c |
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|a 10.1021/acs.langmuir.1c00405
|2 doi
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|a eng
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|a Yang, Yan
|e verfasserin
|4 aut
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|a Bipolar Electrochemical Anodization Route for the Fabrication of Porous Anodic Alumina with Nanopore Gradients
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|c 2021
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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 Revised 13.04.2021
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a Porous anodic alumina (PAA) films with homogeneous nanopores are achieved by traditional anodization. Here, we present a unique anodization technique based on bipolar electrochemistry to fabricate PAA films with nanopore gradients. In an oxalic acid solution dissolved in ethylene glycol, a stable bipolar anodization process is realized. The PAA film prepared at 280 V exhibits a continuous change in interpore distance from ∼171 to ∼83 nm over a range of only 5 mm on the aluminum sheet. Higher driving voltages lead to larger interpore distances and steeper nanopore gradients. Further, no direct electrical connection is required for this bipolar anodization
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|a Journal Article
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| 700 |
1 |
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|a Xu, Dawei
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Liu, Qianqian
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wang, Qi
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Yu, Huiwen
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhu, Xufei
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Song, Ye
|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 1985
|g 37(2021), 14 vom: 13. Apr., Seite 4340-4346
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnas
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| 773 |
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|g volume:37
|g year:2021
|g number:14
|g day:13
|g month:04
|g pages:4340-4346
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|u http://dx.doi.org/10.1021/acs.langmuir.1c00405
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