Photoelectrochemical sensor incorporating AgNPs-integrated BiOBr/Ti3C2 layed composites for the efficient detection of bisphenol A detection in water and milk samples

IF 8.5 1区农林科学 Q1 CHEMISTRY, APPLIED

Food Chemistry Pub Date : 2025-05-27 DOI:10.1016/j.foodchem.2025.144945

Mingfei Pan , Mengjiao Xie , Lu Han , Chan Lu , Jing Cao , Wenjie Chen , Shuo Wang

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引用次数: 0

Abstract

In this study, a 2D/2D BiOBr/Ti₃C₂ layered composites was synthesized and subsequently integrated with silver nanoparticles (AgNPs) via photodeposition to form the AgNPs/BiOBr/Ti₃C₂ composite. Based on this composite, a novel photoelectrochemical sensor was fabricated on ITO substrate for quantitative detection of bisphenol A (BPA). The BiOBr/Ti₃C₂ exhibited an enhanced contact interface, which facilitated effective charge separation and established a robust foundation for improved photocurrent generation. Meanwhile, the integration of AgNPs with SPR effect further improved the photoelectrochemical properties. The resulting AgNPs/BiOBr/Ti₃C₂/ITO sensors demonstrated good reproducibility, stability and resistance to interference, with wide linear range (0.0001–50 μmol L⁻¹) and low detection limit (0.63 nmol L⁻¹) for BPA. Recoveries for environmental water, bottled water and milk samples ranged from 90.8 % to 101.6 % with RSD below 5.0 % (n = 3), showing good correlation with HPLC results (r² > 0.99). Consequently, the proposed AgNPs/BiOBr/Ti₃C₂/ITO sensor provides an effective strategy for BPA detection, showcasing significant potential for practical applications.

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采用agnps集成BiOBr/Ti3C2复合材料的光电化学传感器对水和牛奶样品中的双酚a进行高效检测

在本研究中，合成了2D/2D BiOBr/Ti3C2层状复合材料，随后通过光沉积与银纳米粒子（AgNPs）集成，形成AgNPs/BiOBr/Ti3C2复合材料。在此基础上，在ITO衬底上制备了一种用于双酚a （BPA）定量检测的新型光电传感器。BiOBr/Ti3C2表现出增强的接触界面，促进了有效的电荷分离，为改进光电流产生奠定了坚实的基础。同时，AgNPs与SPR效应的结合进一步提高了其光电化学性能。所制备的AgNPs/BiOBr/Ti3C2/ITO传感器具有良好的重现性、稳定性和抗干扰性，对BPA的线性范围宽（0.0001 ~ 50 μmol L−1），检出限低（0.63 nmol L−1）。环境水、瓶装水和牛奶样品的回收率为90.8 % ~ 101.6 %,RSD < 5.0 % (n = 3)，与HPLC结果具有良好的相关性（r2 >； 0.99）。因此，所提出的AgNPs/BiOBr/Ti3C2/ITO传感器提供了一种有效的双酚a检测策略，显示出巨大的实际应用潜力。

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来源期刊

Food Chemistry 工程技术-食品科技

CiteScore

16.30

自引率

10.20%

发文量

3130

审稿时长

122 days

期刊介绍： Food Chemistry publishes original research papers dealing with the advancement of the chemistry and biochemistry of foods or the analytical methods/ approach used. All papers should focus on the novelty of the research carried out.