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231225s2020 xx |||||o 00| ||eng c |
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|a 10.1002/adma.201907791
|2 doi
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|a pubmed25n1021.xml
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|a (DE-627)NLM306528223
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|a (NLM)32058647
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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 |
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|a Tao, Jingwei
|e verfasserin
|4 aut
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|a Organic UV-Sensitive Phototransistors Based on Distriphenylamineethynylpyrene Derivatives with Ultra-High Detectivity Approaching 1018
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|c 2020
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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 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 © 2020 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
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|a Organic photodetectors with UV-sensitivity are of great potential for various optoelectronic applications. Integration of high charge carrier mobility, long exciton diffusion length as well as unique UV-sensitivity for active materials is crucial for construction of UV-sensitive devices with high performance, however, very few organic semiconductors can integrate these properties simultaneously. Herein, two novel organic semiconductors containing large steric hindrance triphenylamine groups, 1,6-distriphenylamineethynylpyrene (1,6-DTEP) and 2,7-distriphenylamineethynylpyrene (2,7-DTEP) are designed and synthesized. It demonstrates that the single crystals of both 1,6-DTEP and 2,7-DTEP exhibit superior integrated optoelectronic properties of high charge carrier mobility, unique UV absorption, high photoluminescence quantum yields as well as small exciton binding energies. Organic phototransistors constructed using 1,6-DTEP and 2,7-DTEP single crystals show ultrasensitive performance with ultra-high photoresponsivity of 2.86 × 106 and 1.04 × 105 A W-1 , detectivity (D*) of above 1.49 × 1018 and 5.28 × 1016 Jones under 370 nm light illumination, respectively. It indicates the great potential of 1,6-DTEP and 2,7-DTEP-based phototransistors for organic UV-photodetector applications and also provides a new design strategy to develop series of better performance UV photoelectric organic materials for related research in organic optoelectronics
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|a Journal Article
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|a UV response
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|a distriphenylamineethynylpyrene derivatives
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|a organic phototransistors
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|a single crystals
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|a ultra-high detectivity
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| 700 |
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|a Liu, Dan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Qin, Zhengsheng
|e verfasserin
|4 aut
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| 700 |
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|a Shao, Bo
|e verfasserin
|4 aut
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| 700 |
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|a Jing, Jiangbo
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Li, Hongxiang
|e verfasserin
|4 aut
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| 700 |
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|a Dong, Huanli
|e verfasserin
|4 aut
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| 700 |
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|a Xu, Bin
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Tian, Wenjing
|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 32(2020), 12 vom: 03. März, Seite e1907791
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnas
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| 773 |
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|g volume:32
|g year:2020
|g number:12
|g day:03
|g month:03
|g pages:e1907791
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|u http://dx.doi.org/10.1002/adma.201907791
|3 Volltext
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