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

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