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231225s2021 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202102812
|2 doi
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|a pubmed25n1098.xml
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|a (DE-627)NLM329461567
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|a (NLM)34402548
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|a eng
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|a Du, Xiaoyang
|e verfasserin
|4 aut
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|a Efficient Organic Upconversion Devices for Low Energy Consumption and High-Quality Noninvasive Imaging
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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 Completed 07.02.2022
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|a Date Revised 07.02.2022
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a © 2021 Wiley-VCH GmbH.
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|a Infrared upconversion devices (UCDs) enable low-cost visualization of infrared optical signals without utilizing a readout circuit, which is of great significance for biological recognition and noninvasive dynamic monitoring. However, UCDs suffer from inferior photon to photon (p-p) efficiency and high turn-on voltage (Von ) for upconversion operation, hindering a further expansion in highly resolved infrared imaging. Herein, an efficient organic UCD integrating an interfacial exciplex emitter and a well-designed near-infrared (NIR) detector reveals a high efficiency up to 12.92% and a low Von down to 1.56 V. The low Von gives the capacity for detecting weak NIR light down to 3.2 µW cm-2 , significantly expanding the detection power scale of UCDs. Thus, the imaging linear dynamic range (I-LDR) is highly bias-tunable, ranging from 13.23 to 84.4 dB. The high I-LDR enables highly resolved and strong-penetration bioimaging especially for thick biological sections, indicating great potential in noninvasive defect and pathological detection
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|a Journal Article
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|a imaging linear dynamic range
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|a low energy consumption
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|a near-infrared photodetection
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|a noninvasive imaging
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|a organic upconversion devices
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|a Coordination Complexes
|2 NLM
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| 650 |
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|a Organic Chemicals
|2 NLM
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1 |
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|a Han, Jiayue
|e verfasserin
|4 aut
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1 |
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|a He, Zeyu
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Han, Chao
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wang, Xiaomu
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wang, Jun
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Jiang, Yadong
|e verfasserin
|4 aut
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| 700 |
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|a Tao, Silu
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 33(2021), 42 vom: 17. Okt., Seite e2102812
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnas
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| 773 |
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|g volume:33
|g year:2021
|g number:42
|g day:17
|g month:10
|g pages:e2102812
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|u http://dx.doi.org/10.1002/adma.202102812
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