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231225s2017 xx |||||o 00| ||eng c |
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|a 10.1002/adma.201605881
|2 doi
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|a pubmed24n0910.xml
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|a (DE-627)NLM273184504
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|a (NLM)28640462
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|a DE-627
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|e rakwb
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|a eng
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1 |
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|a Manjappa, Manukumara
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Hybrid Lead Halide Perovskites for Ultrasensitive Photoactive Switching in Terahertz Metamaterial Devices
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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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|a ƒa Online-Ressource
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|a Date Completed 18.07.2018
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|a Date Revised 01.10.2020
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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 The recent meteoric rise in the field of photovoltaics with the discovery of highly efficient solar-cell devices is inspired by solution-processed organic-inorganic lead halide perovskites that exhibit unprecedented light-to-electricity conversion efficiencies. The stunning performance of perovskites is attributed to their strong photoresponsive properties that are thoroughly utilized in designing excellent perovskite solar cells, light-emitting diodes, infrared lasers, and ultrafast photodetectors. However, optoelectronic application of halide perovskites in realizing highly efficient subwavelength photonic devices has remained a challenge. Here, the remarkable photoconductivity of organic-inorganic lead halide perovskites is exploited to demonstrate a hybrid perovskite-metamaterial device that shows extremely low power photoswitching of the metamaterial resonances in the terahertz part of the electromagnetic spectrum. Furthermore, a signature of a coupled phonon-metamaterial resonance is observed at higher pump powers, where the Fano resonance amplitude is extremely weak. In addition, a low threshold, dynamic control of the highly confined electric field intensity is also observed in the system, which could tremendously benefit the new generation of subwavelength photonic devices as active sensors, low threshold optically controlled lasers, and active nonlinear devices with enhanced functionalities in the infrared, optical, and the terahertz parts of the electromagnetic spectrum
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|a Journal Article
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|a Fano resonance
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4 |
|a active subwavelength photonics
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4 |
|a metamaterial-phonon coupling
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|a organic-inorganic metal halide perovskites
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4 |
|a ultrafast low power switching
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1 |
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|a Srivastava, Yogesh Kumar
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Solanki, Ankur
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Kumar, Abhishek
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Sum, Tze Chien
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Singh, Ranjan
|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), 32 vom: 18. Aug.
|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:32
|g day:18
|g month:08
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|u http://dx.doi.org/10.1002/adma.201605881
|3 Volltext
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