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Exploiting Flexible...
Exploiting Flexible Memristors Based on Solution-Processed Colloidal CuInSe2 Nanocrystals
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- Guo, Ruiqi (author)
- University of Science and Technology Beijing
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- Zhang, Linxing (author)
- University of Science and Technology Beijing
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- Meng, Jie (author)
- Technical University of Denmark
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- Liu, Aqiang (author)
- University of Science and Technology Beijing
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- Yuan, Jifeng (author)
- University of Science and Technology Beijing
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- Zheng, Kaibo (author)
- Lund University,Lunds universitet,NanoLund: Centre for Nanoscience,Annan verksamhet, LTH,Lunds Tekniska Högskola,Kemisk fysik,Enheten för fysikalisk och teoretisk kemi,Kemiska institutionen,Institutioner vid LTH,Other operations, LTH,Faculty of Engineering, LTH,Chemical Physics,Physical and theoretical chemistry,Department of Chemistry,Departments at LTH,Faculty of Engineering, LTH,Technical University of Denmark
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- Tian, Jianjun (author)
- University of Science and Technology Beijing
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(creator_code:org_t)
- 2020-04-13
- 2020
- English.
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In: Advanced Electronic Materials. - : Wiley. - 2199-160X. ; 6:5
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http://dx.doi.org/10...
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Abstract
Subject headings
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- Compared to analogous bulk materials, colloidal nanocrystals have presented a powerful platform for building up electronic devices on the nano/micrometer scale and flexible portable electronic apparatus with the benefits of solution-based processing approach at room temperature. Herein, memristors based on CuInSe2 (CISe) colloidal nanocrystals prepared using a solution-based process at room temperature are constructed. The memristors exhibit obvious bipolar resistive switching performance with a high–low resistance ratio larger than 5.7 and a steady retention time over 104 s. This is attributed to the copper ion redox reaction and the migration of these ions under an applied electric field. When the SET voltage is reached, the ions are separated from one of the electrodes, and the memristor changes from a low-resistance state (LRS) to a high-resistance state (HRS). Conversely, when the voltage reaches the RESET voltage, the memristor switches from a HRS to a LRS. In addition, the flexible memristor can be fabricated by spincoating nanocrystal solution onto polyethylene terephthalate (PET) at room temperature, showing excellent reproducibility of the performance including 100 times of continuous operation, 104 s of reproducible reading, 600 times of antifatigue testing, and thermal stability up to 95 °C. The flexible devices demonstrate promising applications for portable electronic devices.
Subject headings
- NATURVETENSKAP -- Kemi -- Materialkemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Materials Chemistry (hsv//eng)
- NATURVETENSKAP -- Fysik -- Den kondenserade materiens fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Condensed Matter Physics (hsv//eng)
Keyword
- colloidal nanocrystals
- copper ions
- flexible electronics
- memristors
- solution-based processing
Publication and Content Type
- art (subject category)
- ref (subject category)
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