A high-temperature double perovskite molecule-based antiferroelectric with excellent anti-breakdown capacity for energy storage
© 2023. The Author(s)..
Halide double perovskites have recently emerged as an environmentally green candidate toward electronic and optoelectronic applications owing to their non-toxicity and versatile physical merits, whereas study on high-temperature antiferroelectric (AFE) with excellent anti-breakdown property remains a huge blank in this booming family. Herein, we present the first high-temperature AFE of the lead-free halide double perovskites, (CHMA)2CsAgBiBr7 (1, where CHMA+ is cyclohexylmethylammonium), by incorporating a flexible organic spacer cation. The typical double P-E hysteresis loops and J-E curves reveal its concrete high-temperature AFE behaviors, giving large polarizations of ~4.2 μC/cm2 and a high Curie temperature of 378 K. Such merits are on the highest level of molecular AFE materials. Particularly, the dynamic motional ordering of CHMA+ cation contributes to the formation of antipolar alignment and high electric breakdown field strength up to ~205 kV/cm with fatigue endurance over 104 cycles, almost outperforming the vast majority of molecule counterparts. This is the first demonstration of high-temperature AFE properties in the halide double perovskites, which will promote the exploration of new "green" candidates for anti-breakdown energy storage capacitor.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2023 |
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| Erschienen: |
2023 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:14 |
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| Enthalten in: |
Nature communications - 14(2023), 1 vom: 27. Apr., Seite 2420 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Liu, Yi [VerfasserIn] |
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| Links: |
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| Anmerkungen: |
Date Completed 30.04.2023 Date Revised 01.05.2023 published: Electronic Citation Status PubMed-not-MEDLINE |
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| doi: |
10.1038/s41467-023-38007-5 |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM356095452 |
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| 245 | 1 | 2 | |a A high-temperature double perovskite molecule-based antiferroelectric with excellent anti-breakdown capacity for energy storage |
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| 500 | |a Date Revised 01.05.2023 | ||
| 500 | |a published: Electronic | ||
| 500 | |a Citation Status PubMed-not-MEDLINE | ||
| 520 | |a © 2023. The Author(s). | ||
| 520 | |a Halide double perovskites have recently emerged as an environmentally green candidate toward electronic and optoelectronic applications owing to their non-toxicity and versatile physical merits, whereas study on high-temperature antiferroelectric (AFE) with excellent anti-breakdown property remains a huge blank in this booming family. Herein, we present the first high-temperature AFE of the lead-free halide double perovskites, (CHMA)2CsAgBiBr7 (1, where CHMA+ is cyclohexylmethylammonium), by incorporating a flexible organic spacer cation. The typical double P-E hysteresis loops and J-E curves reveal its concrete high-temperature AFE behaviors, giving large polarizations of ~4.2 μC/cm2 and a high Curie temperature of 378 K. Such merits are on the highest level of molecular AFE materials. Particularly, the dynamic motional ordering of CHMA+ cation contributes to the formation of antipolar alignment and high electric breakdown field strength up to ~205 kV/cm with fatigue endurance over 104 cycles, almost outperforming the vast majority of molecule counterparts. This is the first demonstration of high-temperature AFE properties in the halide double perovskites, which will promote the exploration of new "green" candidates for anti-breakdown energy storage capacitor | ||
| 650 | 4 | |a Journal Article | |
| 700 | 1 | |a Ma, Yu |e verfasserin |4 aut | |
| 700 | 1 | |a Zeng, Xi |e verfasserin |4 aut | |
| 700 | 1 | |a Xu, Haojie |e verfasserin |4 aut | |
| 700 | 1 | |a Guo, Wuqian |e verfasserin |4 aut | |
| 700 | 1 | |a Wang, Beibei |e verfasserin |4 aut | |
| 700 | 1 | |a Hua, Lina |e verfasserin |4 aut | |
| 700 | 1 | |a Tang, Liwei |e verfasserin |4 aut | |
| 700 | 1 | |a Luo, Junhua |e verfasserin |4 aut | |
| 700 | 1 | |a Sun, Zhihua |e verfasserin |4 aut | |
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