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231225s2018 xx |||||o 00| ||eng c |
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|a 10.1002/adma.201803821
|2 doi
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|a pubmed24n0973.xml
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|a (DE-627)NLM292187351
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|a (NLM)30589464
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|a DE-627
|b ger
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|e rakwb
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| 041 |
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|a eng
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| 100 |
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|a Bai, Yang
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Boosting Photovoltaic Output of Ferroelectric Ceramics by Optoelectric Control of Domains
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|c 2018
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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| 338 |
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|a ƒa Online-Ressource
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|a Date Completed 03.01.2019
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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 © 2018 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim.
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|a Photo-ferroelectric single crystals and highly oriented thin-films have been extensively researched recently, with increasing photovoltaic energy conversion efficiency (from 0.5% up to 8.1%) achieved. Rare attention has been paid to polycrystalline ceramics, potentially due to their negligible efficiency. However, ceramics offer simple and cost-effective fabrication routes and stable performance compared to single crystals and thin-films. Therefore, a significantly increased efficiency of photo-ferroelectric ceramics contributes toward widened application areas for photo-ferroelectrics, e.g., multisource energy harvesting. Here, all-optical domain control under illumination, visible-range light-tunable photodiode/transistor phenomena and optoelectrically tunable photovoltaic properties are demonstrated, using a recently discovered photo-ferroelectric ceramic (K0.49Na0.49Ba0.02)(Nb0.99Ni0.01)O2.995. For this monolithic material, tuning of the electric conductivity independent of the ferroelectricity is achieved, which previously could only be achieved in organic phase-separate blends. Guided by these discoveries, a boost of five orders of magnitude in the photovoltaic output power and energy conversion efficiency is achieved via optical and electrical control of ferroelectric domains in an energy-harvesting circuit. These results provide a potentially supplementary approach and knowledge for other photo-ferroelectrics to further boost their efficiency for energy-efficient circuitry designs and enable the development of a wide range of optoelectronic devices
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|a Journal Article
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|a ceramics
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4 |
|a efficiency boost
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4 |
|a multisource energy harvesting
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4 |
|a photovoltaic
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| 650 |
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4 |
|a photo‐ferroelectric
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1 |
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|a Vats, Gaurav
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Seidel, Jan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Jantunen, Heli
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Juuti, Jari
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 30(2018), 43 vom: 27. Okt., Seite e1803821
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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| 773 |
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|g volume:30
|g year:2018
|g number:43
|g day:27
|g month:10
|g pages:e1803821
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| 856 |
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|u http://dx.doi.org/10.1002/adma.201803821
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