Synthesis of poly(pyridine-imide)s and their electronic memory performances

Chen, Haifeng; Wu, Linxin; Xiao, Xiong; Wang, Hongliang; Jiang, Jun; Wang, Lihua; Xu, Qingfeng; Lu, Jianmei

doi:10.1007/s11426-016-0369-y

Cited by 11 publications

(3 citation statements)

References 27 publications

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“…Figure 1b shows that the initial reduction peak temperature of CuFe 2 O 4 was the lowest. Generally, it was believed that the first peak attributed to the Cu 2+ reduction under hydrogen leaded to copper metal and resulted in the lowest temperature peak around 220 °C [10]. TPR curves of other MFe 2 O 4 were similar and characterized by the presence of three peaks.…”

Section: Resultsmentioning

confidence: 93%

Oxidative carbonylation of phenol to diphenyl carbonate by Pd/MFe2O4 magnetic catalyst

Zhang

2015

CI&CEQ

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Article Highlights• MFe 2 O 4 spinel ferrites were prepared by the sol-gel process as the catalysts supporter • Pd/MnFe 2 O 4 showed higher catalytic activity than other Pd/MFe 2 O 4 catalysts • The oxygen deficiency and ion transference influences the catalytic activity • The Pd/MnFe 2 O 4 catalyst showed well superparamagnetic behavior with high saturation magnetization • The Pd/MnFe 2 O 4 catalyst may be applied to the magnetically stabilized bed reactor Abstract In order to screen one suitable catalyst for magnetically stabilized fluidized bed (MSFB) reactor in the process of oxidative carbonylation of phenol to diphenyl carbonate (DPC), Pd/MFe 2 O 4 catalysts were chosen, then prepared and characterized by XRD, H 2 -TPR, XPS and vibrating sample magnetometer (VSM). Compared to the other metal ion doped spinel ferrite catalysts, the catalytic activity of Pd/MnFe 2 O 4 was much higher, which the single pass yield of DPC reached 33.12% with selectivity above 99%, and turnover frequency (TOF) reached 70.56 molDPC·(molPd·h) -1 . The result showed that the formation of the ferrite oxygen-deficient and ion transference in the ferrites was in favor of the catalytic activity. When the support MnFe 2 O 4 was calcinated at 500 °C, the saturation magnetization of the obtained catalyst Pd/MnFe 2 O 4 came up to 43.1 A·m 2 ·kg -1 . With good magnetic property and brilliant catalytic activity the catalyst Pd/MnFe 2 O 4 may suite for industrial experiments in MSFB reactor in future.

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Section: Resultsmentioning

confidence: 93%

Oxidative carbonylation of phenol to diphenyl carbonate by Pd/MFe2O4 magnetic catalyst

Zhang

2015

CI&CEQ

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“…Lu and co‐workers explored the memory behavior of two cbz‐based conjugated polymers in ITO/polymer/Al devices 77 . When the voltage is swept from 0 to −2.4 V, a sharp transition from HRS to LRS is observed in the devices, wherein the ON state can remain even if the power is turned off or a negative sweep voltage is applied, suggesting a WORM memory behavior of the P25‐containing memristor.…”

Section: Conjugated Memristive Polymers For Data Storage Memoriesmentioning

confidence: 99%

Conjugated polymers for information storage and neuromorphic computing

Liu

Chen

Liu

2020

Polymer International

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In the era of information explosion, silicon‐based storage can barely meet the burgeoning demand for data storage and making Moore's law no longer accurate. What is more, the traditional von Neumann architecture separates the computing module from the storage unit, which causes a slowing down of the overall computing efficiency. Conjugated polymer memristors, due to the advantages of simple fabrication, convenient operation and low cost, are considered as promising candidates for next‐generation memory and neuromorphic computing applications. This review summarizes the advances in conjugated polymer memristive materials and devices made during the first two decades of the 21st century, and their potential applications in information storage and neuromorphic computing. Focuses are on switching mechanisms and materials classifications, as well as memory, artificial synapse and bioinspired and in‐memory computing performance. © 2020 Society of Chemical Industry

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“…When there is an appropriate external electric field, the electrons will undergo partial transfer from the donor to the acceptor, causing sharply increased conductivity. 50–57 Inspired by this, constructing a strong D–A structure will be a feasible method for developing complex-based memory devices with a low switching voltage.…”

Section: Introductionmentioning

confidence: 99%