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231225s2021 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202102967
|2 doi
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|a pubmed24n1566.xml
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|a eng
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|a Xing, Shen
|e verfasserin
|4 aut
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|a Miniaturized VIS-NIR Spectrometers Based on Narrowband and Tunable Transmission Cavity Organic Photodetectors with Ultrahigh Specific Detectivity above 1014 Jones
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|c 2021
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|a Text
|b txt
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Revised 13.10.2024
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2021 The Authors. Advanced Materials published by Wiley-VCH GmbH.
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|a Spectroscopic photodetection plays a key role in many emerging applications such as context-aware optical sensing, wearable biometric monitoring, and biomedical imaging. Photodetectors based on organic semiconductors open many new possibilities in this field. However, ease of processing, tailorable optoelectronic properties, and sensitivity for faint light are still significant challenges. Here, the authors report a novel concept for a tunable spectral detector by combining an innovative transmission cavity structure with organic absorbers to yield narrowband organic photodetection in the wavelength range of 400-1100 nm, fabricated in a full-vacuum process. Benefiting from this strategy, one of the best performed narrowband organic photodetectors is achieved with a finely wavelength-selective photoresponse (full-width-at-half-maximum of ≈40 nm), ultrahigh specific detectivity above 1014 Jones, the maximum response speed of 555 kHz, and a large dynamic range up to 168 dB. Particularly, an array of transmission cavity organic photodetectors is monolithically integrated on a small substrate to showcase a miniaturized spectrometer application, and a true proof-of-concept transmission spectrum measurement is successfully demonstrated. The excellent performance, the simple device fabrication as well as the possibility of high integration of this new concept challenge state-of-the-art low-noise silicon photodetectors and will mature the spectroscopic photodetection into technological realities
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|a Journal Article
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|a miniaturized spectrometers
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|a organic photodetectors
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|a transmission cavities
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|a tunable spectra
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|a wavelength selectivity
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|a Nikolis, Vasileios Christos
|e verfasserin
|4 aut
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|a Kublitski, Jonas
|e verfasserin
|4 aut
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|a Guo, Erjuan
|e verfasserin
|4 aut
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|a Jia, Xiangkun
|e verfasserin
|4 aut
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|a Wang, Yazhong
|e verfasserin
|4 aut
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|a Spoltore, Donato
|e verfasserin
|4 aut
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|a Vandewal, Koen
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|a Kleemann, Hans
|e verfasserin
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|a Benduhn, Johannes
|e verfasserin
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|a Leo, Karl
|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), 44 vom: 30. Nov., Seite e2102967
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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|g volume:33
|g year:2021
|g number:44
|g day:30
|g month:11
|g pages:e2102967
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|u http://dx.doi.org/10.1002/adma.202102967
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