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231225s2018 xx |||||o 00| ||eng c |
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|a 10.1002/adma.201804862
|2 doi
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|a pubmed24n0963.xml
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|a (DE-627)NLM289198453
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|a (NLM)30284330
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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 Zhang, Dan
|e verfasserin
|4 aut
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| 245 |
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|a An Effective Dark-Vis-UV Ternary Biomimetic Switching Based on N3/Spiropyran-Modified Nanochannels
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|c 2018
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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
|b cr
|2 rdacarrier
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|a Date Completed 13.11.2018
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|a Date Revised 01.10.2020
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2018 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
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|a Many natural photomodulated nanochannels are investigated and are crucial for biological activity. Biomimetic nanochannels with a bistable conductance state under light stimulus are demonstrated. In this system, two molecules, cis-bis-(4,4'-dicarboxy-2,2'-bipyridine) dithiocyanato ruthenium(II) (N3) and spiropyran 1'-(3-carboxypropyl)-3',3'-dimethyl-6-nitro-spiro[2H-1]benzopyran-2,2'-indoline (SP-COOH), each with unique photoresponsive properties, are modified in alumina nanochannels. The two segments of the hourglass-shaped alumina nanochannels are designated to graft a certain molecule. Under ultraviolet (UV) or visible light (vis) irradiation, electrons belonging to N3 are excited, resulting in negatively charged surfaces on the sides of nanochannels modified with N3 molecules. Only under UV stimulus, the conformation change of the SP-COOH molecules leads to positively charged surfaces of nanochannels in the SP-COOH occupied sides. Benefiting from the joint effect of N3 and SP-COOH, low, medium, and high (i.e., "0," "1," and "2") ternary levels of ion conductance are established under the dark-vis-UV alternate stimuli. The multistage current switching containing "0-1-2-0" and "0-1-2-1-0" procedures is stable and robust. Additionally, the diode-like ion transport behavior of the nanochannels could be exploited to support a multivalued logical gating with the management of light signals
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|a Journal Article
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|a N3
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|a biomimetic
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|a dark-vis-UV
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|a spiropyran
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|a ternary switching
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|a Wang, Qinqin
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Fan, Xia
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhang, Mingliang
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhai, Jin
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Jiang, Lei
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 30(2018), 46 vom: 10. Nov., Seite e1804862
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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| 773 |
1 |
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|g volume:30
|g year:2018
|g number:46
|g day:10
|g month:11
|g pages:e1804862
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| 856 |
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|u http://dx.doi.org/10.1002/adma.201804862
|3 Volltext
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