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240407s2024 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202313946
|2 doi
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|a pubmed24n1439.xml
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|a (NLM)38582876
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|a DE-627
|b ger
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|e rakwb
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|a eng
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| 100 |
1 |
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|a Duan, Yongqing
|e verfasserin
|4 aut
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| 245 |
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|a Programmable, High-resolution Printing of Spatially Graded Perovskites for Multispectral Photodetectors
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|c 2024
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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 Revised 13.06.2024
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2024 Wiley‐VCH GmbH.
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|a Micro/nanostructured perovskites with spatially graded compositions and bandgaps are promising in filter-free, chip-level multispectral, and hyperspectral detection. However, achieving high-resolution patterning of perovskites with controlled graded compositions is challenging. Here, a programmable mixed electrohydrodynamic printing (M-ePrinting) technique is presented to realize the one-step direct-printing of arbitrary spatially graded perovskite micro/nanopatterns for the first time. M-ePrinting enables in situ mixing and ejection of solutions with controlled composition/bandgap by programmatically varying driving voltage applied to a multichannel nozzle. Composition can be graded over a single dot, line or complex pattern, and the printed feature size is down to 1 µm, which is the highest printing resolution of graded patterns to the knowledge. Photodetectors based on micro/nanostructured perovskites with halide ions gradually varying from Br to I are constructed, which successfully achieve multispectral detection and full-color imaging, with a high detectivity and responsivity of 3.27 × 1015 Jones and 69.88 A W-1, respectively. The presented method provides a versatile and competitive approach for such miniaturized bandgap-tunable perovskite spectrometer platforms and artificial vision systems, and also opens new avenues for the digital fabrication of composition-programmable structures
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|a Journal Article
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|a graded micro/nanostructures
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4 |
|a high‐resolution printing
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4 |
|a perovskite
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| 650 |
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4 |
|a photodetectors
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| 650 |
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4 |
|a spectrometer
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| 700 |
1 |
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|a Yu, Rui
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhang, Hanyuan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Yang, Weili
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Xie, Wenshuo
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Huang, YongAn
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Yin, Zhouping
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 36(2024), 24 vom: 23. Juni, Seite e2313946
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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| 773 |
1 |
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|g volume:36
|g year:2024
|g number:24
|g day:23
|g month:06
|g pages:e2313946
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| 856 |
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|u http://dx.doi.org/10.1002/adma.202313946
|3 Volltext
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