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Chemical reaction between Ag nanoparticles and TCNQ microparticles in aqueous solution

机译:Ag纳米颗粒与TCNQ微粒在水溶液中的化学反应

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摘要

The chemical reaction between Ag nanoparticles (Ag NPs) and 7,7′,8,8′- tetracycanoquinodimethane (TCNQ) microparticles (MPs) in aqueous solution for the formation of Ag-NP-decorated Ag-TCNQ nanowires is reported. Based on the results obtained by UV-vis spectroscopy and scanning electron microscopy (SEM), it is proposed that the reaction between Ag NPs and TCNQ MPs includes three stages, namely, aggregation of NPs and MPs, diffusion and reaction between NPs and MPs, and formation of Ag-TCNQ nanowires. The as-synthesized semiconducting Ag-TCNQ nanowires show good performance in nonvolatile memory devices with multiple write-read-erase-read (WRER) cycles in air.
机译:报道了Ag纳米颗粒(Ag NPs)与7,7',8,8'-四环喹啉二甲烷(TCNQ)微粒(MPs)在水溶液中的化学反应,以形成装饰有Ag-NP的Ag-TCNQ纳米线。根据紫外可见光谱和扫描电镜观察的结果,提出Ag NPs与TCNQ MPs的反应包括三个阶段,即NPs与MPs的聚集,NPs与MPs的扩散与反应,和Ag-TCNQ纳米线的形成。合成后的半导体Ag-TCNQ纳米线在空气中具有多个写-读-读-读(WRER)循环的非易失性存储设备中显示出良好的性能。

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