An in situ rewritable electrically-erasable photo-memory device for terahertz waves
A terahertz read-only in situ electrically-erasable rewritable photo-memory device based on a perovskite:Ag (perovskite with Ag nanoparticles added)/SnO2/PEDOT:PSS hetero-junction structure is reported. Under low optical excitation, considerable terahertz amplitude modulation in a perovskite:Ag/PEDOT:PSS hybrid structure was achieved. When a SnO2 nanoparticle film was inserted between the perovskite and PEDOT:PSS layer, the attenuation of the terahertz signal was weaker than that of the perovskite:Ag/PEDOT:PSS hybrid structure; however, the SnO2 nanoparticle film considerably prolonged the recovery time of the modulated terahertz wave in air after photo-excitation was stopped. In addition, when bias voltages were applied to the perovskite:Ag/PEDOT:PSS and perovskite:Ag/SnO2/PEDOT:PSS hybrid structures, respectively, the terahertz signals recovered rapidly for both structures. Consequently, the photo-memory functionality was achieved based on a perovskite:Ag/SnO2/PEDOT:PSS hybrid structure with an in situ method for erasing stored information.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2020 |
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| Erschienen: |
2020 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:12 |
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| Enthalten in: |
Nanoscale - 12(2020), 5 vom: 07. Feb., Seite 3343-3350 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Xiong, Luyao [VerfasserIn] |
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| Links: |
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| Anmerkungen: |
Date Revised 07.02.2020 published: Print-Electronic Citation Status PubMed-not-MEDLINE |
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| doi: |
10.1039/c9nr08826a |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM305809598 |
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| 100 | 1 | |a Xiong, Luyao |e verfasserin |4 aut | |
| 245 | 1 | 3 | |a An in situ rewritable electrically-erasable photo-memory device for terahertz waves |
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| 500 | |a Date Revised 07.02.2020 | ||
| 500 | |a published: Print-Electronic | ||
| 500 | |a Citation Status PubMed-not-MEDLINE | ||
| 520 | |a A terahertz read-only in situ electrically-erasable rewritable photo-memory device based on a perovskite:Ag (perovskite with Ag nanoparticles added)/SnO2/PEDOT:PSS hetero-junction structure is reported. Under low optical excitation, considerable terahertz amplitude modulation in a perovskite:Ag/PEDOT:PSS hybrid structure was achieved. When a SnO2 nanoparticle film was inserted between the perovskite and PEDOT:PSS layer, the attenuation of the terahertz signal was weaker than that of the perovskite:Ag/PEDOT:PSS hybrid structure; however, the SnO2 nanoparticle film considerably prolonged the recovery time of the modulated terahertz wave in air after photo-excitation was stopped. In addition, when bias voltages were applied to the perovskite:Ag/PEDOT:PSS and perovskite:Ag/SnO2/PEDOT:PSS hybrid structures, respectively, the terahertz signals recovered rapidly for both structures. Consequently, the photo-memory functionality was achieved based on a perovskite:Ag/SnO2/PEDOT:PSS hybrid structure with an in situ method for erasing stored information | ||
| 650 | 4 | |a Journal Article | |
| 700 | 1 | |a Liu, Bin |e verfasserin |4 aut | |
| 700 | 1 | |a Liu, Dandan |e verfasserin |4 aut | |
| 700 | 1 | |a Lv, Longfeng |e verfasserin |4 aut | |
| 700 | 1 | |a Hou, Yanbing |e verfasserin |4 aut | |
| 700 | 1 | |a Shen, Jingling |e verfasserin |4 aut | |
| 700 | 1 | |a Zhang, Bo |e verfasserin |4 aut | |
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