Electroanalytical Performance of Non-Enzymatical Electrochemical Sensor Based on PtNPs-SeNPs-SnO2NPs@BFTO Nanocomposites for the Detection of Hydrogen Peroxide

IF 2.7 4区化学 Q3 CHEMISTRY, PHYSICAL Electrocatalysis Pub Date : 2023-05-25 DOI:10.1007/s12678-023-00828-9

Nilesh S. Dumore, Mausumi Mukhopadhyay

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引用次数: 3

Abstract

Electroanalytical performance of electrodeposited platinum nanoparticles (PtNPs), selenium nanoparticles (SeNPs), and tin oxide nanoparticles (SnO₂NPs) on the surface of bare fluorine-doped tin oxide (BFTO) (PtNPs-SeNPs-SnO₂NPs@BFTO) nanocomposite was used as an non-enzymatic electrochemical sensor towards detection of H₂O₂. The surface morphology and characterization of PtNPs-SeNPs-SnO₂NPs@BFTO was studied by field emission scanning electron microscopy (FESEM) and EDS mapping. The Morphology of PtNPs-SeNPs-SnO₂NPs@BFTO showed flower, spherical and irregular shapes by FESEM investigation. X-ray photoelectron spectroscopy was used to investigate the elemental composition of platinum, selenium, tin, oxygen, and fluorine on the PtNPs-SeNPs-SnO₂NPs@BFTO surface. The synthesized PtNPs-SeNPs-SnO₂NPs@BFTO electrochemical sensor was used for electro-catalytic detection of H₂O_2. The linear concentration range of the PtNPs-SeNPs-SnO₂NPs@BFTO was 0.01 to 54 mM, with a high sensitivity of 104.8 mA mM⁻¹ cm⁻² and a low detection limit of 0.01 mM. The interference study of PtNPs-SeNPs-SnO₂NPs@BFTO based sensors showed high selectivity towards H₂O₂ with interfering agents, including glucose (GU), ascorbic acid (AA), urea (UA), sucrose (SU), sodium chloride (SC), and sodium selenite (SS).

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基于PtNPs-SeNPs-SnO2NPs@BFTO纳米复合材料的非酶电化学传感器检测过氧化氢的电分析性能

利用电沉积铂纳米粒子(PtNPs)、硒纳米粒子(SeNPs)和氧化锡纳米粒子(SnO2NPs)在裸氟掺杂氧化锡(BFTO) (PtNPs-SeNPs-SnO2NPs@BFTO)纳米复合材料表面的电分析性能，作为检测H2O2的非酶电化学传感器。利用场发射扫描电镜(FESEM)和能谱仪(EDS)对PtNPs-SeNPs-SnO2NPs@BFTO的表面形貌和表征进行了研究。通过FESEM观察，PtNPs-SeNPs-SnO2NPs@BFTO的形态表现为花状、球形和不规则形状。利用x射线光电子能谱研究了PtNPs-SeNPs-SnO2NPs@BFTO表面铂、硒、锡、氧和氟的元素组成。将合成的PtNPs-SeNPs-SnO2NPs@BFTO电化学传感器用于电催化检测H2O2。PtNPs-SeNPs-SnO2NPs@BFTO的线性浓度范围为0.01 ~ 54 mM，灵敏度为104.8 mA mM−1 cm−2，检出限为0.01 mM。对PtNPs-SeNPs-SnO2NPs@BFTO传感器的干扰研究表明，干扰剂包括葡萄糖(GU)、抗坏血酸(AA)、尿素(UA)、蔗糖(SU)、氯化钠(SC)和亚硒酸钠(SS)，对H2O2具有较高的选择性。

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来源期刊

Electrocatalysis CHEMISTRY, PHYSICAL-ELECTROCHEMISTRY

CiteScore

4.80

自引率

6.50%

发文量

审稿时长

>12 weeks

期刊介绍： Electrocatalysis is cross-disciplinary in nature, and attracts the interest of chemists, physicists, biochemists, surface and materials scientists, and engineers. Electrocatalysis provides the unique international forum solely dedicated to the exchange of novel ideas in electrocatalysis for academic, government, and industrial researchers. Quick publication of new results, concepts, and inventions made involving Electrocatalysis stimulates scientific discoveries and breakthroughs, promotes the scientific and engineering concepts that are critical to the development of novel electrochemical technologies. Electrocatalysis publishes original submissions in the form of letters, research papers, review articles, book reviews, and educational papers. Letters are preliminary reports that communicate new and important findings. Regular research papers are complete reports of new results, and their analysis and discussion. Review articles critically and constructively examine development in areas of electrocatalysis that are of broad interest and importance. Educational papers discuss important concepts whose understanding is vital to advances in theoretical and experimental aspects of electrochemical reactions.