复合材料改性碳浆电极的分形特性--SEM 与 CV 分形分析的比较

Fractal and Fractional Pub Date : 2024-03-31 DOI:10.3390/fractalfract8040205

G. Dobrescu, Ramona Georgescu-State, F. Papa, Jacobus (Koos) Frederick van Staden, R. State

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引用次数: 0

摘要

利用扫描电子显微镜（SEM）和循环伏安法（CV）研究了碳糊电极（CPEs）和用离子液体（IL）、氧化金钛/氧化石墨烯、IL/氧化金钛/氧化石墨烯修饰的碳糊电极的分形特性。研究强调了分形尺寸和自相似性范围对电化学反应的影响。事实证明，分形维数越高，自相似度域越宽，电化学响应越高。结果表明，IL/AuTiO2/氧化石墨烯复合改性 CPE 具有较高的分形维度和较大的自相似域，是用作电化学传感器的理想候选材料。

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Fractal Properties of Composite-Modified Carbon Paste Electrodes—A Comparison between SEM and CV Fractal Analysis

The fractal properties of carbon paste electrodes (CPEs) and carbon paste electrodes modified with ionic liquid (IL), AuTiO2/graphene oxide, and IL/AuTiO2/graphene oxide were investigated using scanning electron microscopy (SEM), and cyclic voltammetry (CV). The impact of fractal dimensions and self-similarity ranges on electrochemical responses was underlined. It was proved that a higher fractal dimension and a broad self-similarity domain lead to a higher electrochemical response. Results indicated that IL/AuTiO2/graphene oxide composite-modified CPEs are a great candidate to be used as electrochemical sensors, with a high fractal dimension and large self-similarity domain.

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Fractal and Fractional

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