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Tunable Electrical Memory Characteristics Using Polyimide:Polycyclic Aromatic Compound Blends on Flexible Substrates

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TLDR
Tunable memory performances of the developed PI/polycyclic aromatic compound blends are advantageous for future advanced memory device applications.
Abstract
Resistance switching memory devices with the configuration of poly(ethylene naphthalate)(PEN)/Al/polyimide (PI) blend/Al are reported. The active layers of the PI blend films were prepared from different compositions of poly[4,4′-diamino-4″-methyltriphenylamine-hexafluoroisopropylidenediphthalimide] (PI(AMTPA)) and polycyclic aromatic compounds (coronene or N,N-bis[4-(2-octyldodecyloxy)phenyl]-3,4,9,10-perylenetetracarboxylic diimide (PDI-DO)). The additives of large π-conjugated polycyclic compounds can stabilize the charge transfer complex induced by the applied electric field. Thus, the memory device characteristic changes from the volatile to nonvolatile behavior of flash and write-once-read-many times (WORM) as the additive contents increase in both blend systems. The main differences between these two blend systems are the threshold voltage values and the additive content to change the memory behavior. Due to the stronger accepting ability and higher electron affinity of PDI-DO than those of coronen...

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Citations
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Polymer‐Based Resistive Memory Materials and Devices

TL;DR: This review introduced the general characteristics of the device structures and fabrication, memory effects, switching mechanisms, and effects of electrodes on memory properties associated with polymer-based resistive memory devices.
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TL;DR: This review presents a timely and comprehensive review of the recent advances in organic and hybrid resistive switching materials and devices, with particular attention on their design principles for electronic property tuning and flexible device performance.
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Polymer memristor for information storage and neuromorphic applications

TL;DR: The digital-type polymer memristor behaves as resistive random access memory with non-volatility, high density, more speed, low power consumption, large ON/OFF ratio, high endurance and long retention, and is recognized as an appealing candidate for the next generation "universal memory".
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Polyimides containing aliphatic/alicyclic segments in the main chains

TL;DR: In this paper, a review of the available aliphatic/alicyclic monomers and their potential applications is presented, along with the outlook for the future of polyimides and their advanced applications.
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Room-Temperature Processed Nb2O5 as the Electron-Transporting Layer for Efficient Planar Perovskite Solar Cells

TL;DR: Benefitting from the low-temperature process, flexible PSCs based on a-Nb2O5, with a considerable PCE of 12.1%, suggest a great potential for its application in optoelectrical devices.
References
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Journal ArticleDOI

Polymer electronic memories: Materials, devices and mechanisms

TL;DR: This review provides a summary of the widely reported electrical switching phenomena in polymers and the corresponding polymer electronic memories.
Journal ArticleDOI

Programmable polymer thin film and non-volatile memory device.

TL;DR: A novel organic memory device fabricated by solution processing that displays an abrupt transition to a high-conductivity state under an external bias of 2.8 V and is non-volatile, indicating that the device may be used for low-cost, high-density memory storage.
Journal ArticleDOI

Polyaniline nanofiber/gold nanoparticle nonvolatile memory

TL;DR: A nonvolatile plastic digital memory device based on nanofibers of the conjugated polymer polyaniline decorated with gold nanoparticles is reported, combining two exciting research areas--nanoparticles and conducting polymers--to form a novel materials system with unique functionality.
Journal ArticleDOI

Electrical Switching and Bistability in Organic/Polymeric Thin Films and Memory Devices

TL;DR: In this paper, a review of electrically bistable memory devices developed in our laboratory is presented, as well as the research by other laboratories is reviewed as well, including those developed in other laboratories.
Journal ArticleDOI

Polymer and Organic Nonvolatile Memory Devices

TL;DR: In this article, the role of π-conjugated materials in the operation of nonvolatile memory devices is reviewed and a review of the state of the art with respect to these target specifications is presented.
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