Low Temperature One-Pot Synthesis of rGO Nanorod-PVDF Composite and Fabrication of a Thin Film Solid-State Fractional Order Device

IF 2.1 4区工程技术 Q3 ENGINEERING, ELECTRICAL & ELECTRONIC

IEEE Transactions on Nanotechnology Pub Date : 2024-09-27 DOI:10.1109/TNANO.2024.3469973

Manas R. Samantaray;Agniv Tapadar;Santanu Das;Nikhil Chander;Avishek Adhikary

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引用次数: 0

Abstract

This work proposes a novel, cost-effective, and simplified method to fabricate(reduced graphene oxide (rGO) nanorods. It is demonstrated that when a composite film made of polyvinylidene fluoride (PVDF) and the fabricated rGO is formed on a silver substrate, a unique structural morphology appears. This structure is unlike the general morphological structures of PVDF and rGO. The fabricated rGO has a nanorod-shapes of 0.54 nm to 1.15

$\mu$

m length and diameter in the 51

$-$

64 nm range. The presence of

$\alpha$

and

$\beta$

phase PVDF and rGO in the composite has been confirmed using both X-ray diffractometer and Raman spectroscopy. Impedance characterization of the fabricated device shows constant phase characteristics in the frequency range of 126 kHz to 2 MHz with a constant phase angle at

$-63^{\circ }$

$-78^{\circ }$

. This indicates that the proposed rGO Nanorod-PVDF composite is suitable for the fabrication of a thin film fractor (fractional order device) with fractional order

$\eta$

= 0.70 to 0.88 and fractance value 0.08 to 3.08 nF

$s^{\eta }$

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rGO 纳米棒-PVDF 复合材料的低温一锅合成及薄膜固态分数阶器件的制作

本研究提出了一种新颖、经济、简化的还原氧化石墨烯（rGO）纳米棒制造方法。研究表明，当在银基底上形成由聚偏氟乙烯（PVDF）和所制备的 rGO 组成的复合薄膜时，会出现一种独特的结构形态。这种结构不同于 PVDF 和 rGO 的一般形态结构。制备的 rGO 具有长度为 0.54 纳米到 1.15 英寸的纳米棒形状，直径在 51 纳米到 64 纳米之间。X 射线衍射仪和拉曼光谱都证实了复合材料中存在 PVDF 和 rGO 相。所制造器件的阻抗表征显示，在 126 kHz 至 2 MHz 的频率范围内，相位特性恒定，相位角在 $-63^{\circ }$ 至 $-78^{\circ }$。这表明所提出的 rGO 纳米棒-PVDF 复合材料适用于制造薄膜分形器（分数阶器件），其分数阶为 $\eta$ = 0.70 至 0.88，分数值为 0.08 至 3.08 nF$s^{\eta }$。

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来源期刊

IEEE Transactions on Nanotechnology 工程技术-材料科学：综合

CiteScore

4.80

自引率

8.30%

发文量

审稿时长

8.3 months

期刊介绍： The IEEE Transactions on Nanotechnology is devoted to the publication of manuscripts of archival value in the general area of nanotechnology, which is rapidly emerging as one of the fastest growing and most promising new technological developments for the next generation and beyond.