石墨烯泡沫上电沉积二氧化钛的光电化学性能研究。

IF 4.3 3区化学 Q2 CHEMISTRY, MULTIDISCIPLINARY

ACS Omega Pub Date : 2024-12-16 eCollection Date: 2024-12-31 DOI:10.1021/acsomega.4c08624

José L Bott-Neto, Thiago S Martins, Gabriel J C Pimentel, Osvaldo N Oliveira, Frank Marken

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引用次数: 0

摘要

我们讨论了低温下电沉积在泡沫石墨烯（GF）上的brookite相二氧化钛（TiO2）平台的光电分析性能。可扩展的电合成过程消除了对热退火的需要，这对于碳基电极是不切实际的。经10 min电沉积（TiO2-10/GF）得到的TiO2薄膜的光电流增强，达到170 μA cm-2 GEO，是传统丝网印刷碳电极（82 μA cm-2 GEO）的两倍。增加的光电流密度使TiO2-10/GF成为现场光电化学生物传感器的理想选择，因为它允许使用具有低功率led的紧凑系统。

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Photoelectrochemical Performance of Brookite Titanium Dioxide Electrodeposited on Graphene Foam for Portable Biosensors.

We discuss the photoelectroanalytical performance of a brookite-phase titanium dioxide (TiO₂) platform electrodeposited onto graphene foam (GF) at low temperatures. The scalable electrosynthesis process eliminates the need for thermal annealing, which is impractical for carbon-based electrodes. Films resulting from a 10 min electrodeposition (TiO₂-10/GF) exhibit enhanced photocurrents, reaching 170 μA cm^-2 _GEO-twice the value for TiO₂ films on traditional screen-printed carbon electrodes (82 μA cm^-2 _GEO). The increased photocurrent density makes TiO₂-10/GF ideal for on-site photoelectrochemical biosensors as it allows for the use of compact systems with low-power LEDs.

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来源期刊

ACS Omega Chemical Engineering-General Chemical Engineering

CiteScore

6.60

自引率

4.90%

发文量

3945

审稿时长

2.4 months

期刊介绍： ACS Omega is an open-access global publication for scientific articles that describe new findings in chemistry and interfacing areas of science, without any perceived evaluation of immediate impact.