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231224s2017 xx |||||o 00| ||eng c |
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|a 10.1002/adma.201606206
|2 doi
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|a pubmed25n0902.xml
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|a (DE-627)NLM270820574
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|a (NLM)28394455
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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 Han, Donggeon
|e verfasserin
|4 aut
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|a Flexible Blade-Coated Multicolor Polymer Light-Emitting Diodes for Optoelectronic Sensors
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|c 2017
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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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|a Date Completed 18.07.2018
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|a Date Revised 30.09.2020
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2017 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
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|a A method to print two materials of different functionality during the same printing step is presented. In printed electronics, devices are built layer by layer and conventionally only one type of material is deposited in one pass. Here, the challenges involving printing of two emissive materials to form polymer light-emitting diodes (PLEDs) that emit light of different wavelengths without any significant changes in the device characteristics are described. The surface-energy-patterning technique is utilized to print materials in regions of interest. This technique proves beneficial in reducing the amount of ink used during blade coating and improving the reproducibility of printed films. A variety of colors (green, red, and near-infrared) are demonstrated and characterized. This is the first known attempt to print multiple materials by blade coating. These devices are further used in conjunction with a commercially available photodiode to perform blood oxygenation measurements on the wrist, where common accessories are worn. Prior to actual application, the threshold conditions for each color are discussed, in order to acquire a stable and reproducible photoplethysmogram (PPG) signal. Finally, based on the conditions, PPG and oxygenation measurements are successfully performed on the wrist with green and red PLEDs
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|a Journal Article
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|a blade coating
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4 |
|a flexible electronics
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4 |
|a organic light-emitting diodes (OLEDs)
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4 |
|a polymer light-emitting diodes (PLEDs)
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4 |
|a printed sensors
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4 |
|a pulse oximetry
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4 |
|a wearable sensors
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| 700 |
1 |
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|a Khan, Yasser
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Ting, Jonathan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a King, Simon M
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Yaacobi-Gross, Nir
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Humphries, Martin J
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Newsome, Christopher J
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Arias, Ana C
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 29(2017), 22 vom: 01. Juni
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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| 773 |
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|g volume:29
|g year:2017
|g number:22
|g day:01
|g month:06
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|u http://dx.doi.org/10.1002/adma.201606206
|3 Volltext
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