Zul Arham, Andi Khaeruni R., Maulidiyah Maulidiyah, Gusti Ayu Kade Sutariati, La Ode Santiaji Bande, Alimin Alimin, Halimahtussaddiyah Ritonga, Muhammad Nurdin
{"title":"二氧化钛/C-dots@NiO纳米复合材料在二嗪农农药检测中的应用","authors":"Zul Arham, Andi Khaeruni R., Maulidiyah Maulidiyah, Gusti Ayu Kade Sutariati, La Ode Santiaji Bande, Alimin Alimin, Halimahtussaddiyah Ritonga, Muhammad Nurdin","doi":"10.1007/s12678-024-00906-6","DOIUrl":null,"url":null,"abstract":"<div><p>Graphene electrodes incorporated TiO<sub>2</sub>/C-dots@NiO (G-TCN) nanocomposites have been successfully synthesized and investigated for their performance in detecting the pesticide diazinon (DZN). The synthesis begins with preparing a C-dots solution hydrothermally using tolaki citrus extract (<i>Citrus sp.</i>) as a precursor. The incorporation was continued hydrothermally between C-dots, Ni (II), and TiO<sub>2</sub> to obtain the TiO<sub>2</sub>/C-dots@NiO (TCN) nanocomposites. The results of the morphological study illustrate that the TCN nanocomposite is composed of round particles with a uniform size between 180 and 200 nm. The XRD diffractogram pattern describes the overlapping interactions between the elements that make up the nanocomposites. The electrochemical performance in the Fe(CN)<sub>6</sub><sup>3−</sup>/Fe(CN)<sub>6</sub><sup>4−</sup> solution system illustrates the reversible redox reaction of G-TCN with a value of <i>∆E</i><sub><i>p</i></sub> = 0.08 V. DZN detection showed superior results. Based on the cyclic voltammogram, DZN experienced a reduction at a potential of 0.65 V. The linearity test showed an LOD value of 0.09 μg/mL. In other tests, G-TCN showed good stability and reliability, with an RSD of 11.90% and 7.44%, respectively. The results reported in this work will be a reference for researchers in developing voltammetric sensors for pesticide residue detection.</p><h3>Graphical Abstract</h3>\n<div><figure><div><div><picture><source><img></source></picture></div></div></figure></div></div>","PeriodicalId":535,"journal":{"name":"Electrocatalysis","volume":"16 1","pages":"171 - 181"},"PeriodicalIF":2.7000,"publicationDate":"2024-11-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"High Current Transport of TiO2/C-dots@NiO Incorporated Graphene Nanocomposite as Smart Electrode for Diazinon Pesticide Detection\",\"authors\":\"Zul Arham, Andi Khaeruni R., Maulidiyah Maulidiyah, Gusti Ayu Kade Sutariati, La Ode Santiaji Bande, Alimin Alimin, Halimahtussaddiyah Ritonga, Muhammad Nurdin\",\"doi\":\"10.1007/s12678-024-00906-6\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div><p>Graphene electrodes incorporated TiO<sub>2</sub>/C-dots@NiO (G-TCN) nanocomposites have been successfully synthesized and investigated for their performance in detecting the pesticide diazinon (DZN). The synthesis begins with preparing a C-dots solution hydrothermally using tolaki citrus extract (<i>Citrus sp.</i>) as a precursor. The incorporation was continued hydrothermally between C-dots, Ni (II), and TiO<sub>2</sub> to obtain the TiO<sub>2</sub>/C-dots@NiO (TCN) nanocomposites. The results of the morphological study illustrate that the TCN nanocomposite is composed of round particles with a uniform size between 180 and 200 nm. The XRD diffractogram pattern describes the overlapping interactions between the elements that make up the nanocomposites. The electrochemical performance in the Fe(CN)<sub>6</sub><sup>3−</sup>/Fe(CN)<sub>6</sub><sup>4−</sup> solution system illustrates the reversible redox reaction of G-TCN with a value of <i>∆E</i><sub><i>p</i></sub> = 0.08 V. DZN detection showed superior results. Based on the cyclic voltammogram, DZN experienced a reduction at a potential of 0.65 V. The linearity test showed an LOD value of 0.09 μg/mL. In other tests, G-TCN showed good stability and reliability, with an RSD of 11.90% and 7.44%, respectively. 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High Current Transport of TiO2/C-dots@NiO Incorporated Graphene Nanocomposite as Smart Electrode for Diazinon Pesticide Detection
Graphene electrodes incorporated TiO2/C-dots@NiO (G-TCN) nanocomposites have been successfully synthesized and investigated for their performance in detecting the pesticide diazinon (DZN). The synthesis begins with preparing a C-dots solution hydrothermally using tolaki citrus extract (Citrus sp.) as a precursor. The incorporation was continued hydrothermally between C-dots, Ni (II), and TiO2 to obtain the TiO2/C-dots@NiO (TCN) nanocomposites. The results of the morphological study illustrate that the TCN nanocomposite is composed of round particles with a uniform size between 180 and 200 nm. The XRD diffractogram pattern describes the overlapping interactions between the elements that make up the nanocomposites. The electrochemical performance in the Fe(CN)63−/Fe(CN)64− solution system illustrates the reversible redox reaction of G-TCN with a value of ∆Ep = 0.08 V. DZN detection showed superior results. Based on the cyclic voltammogram, DZN experienced a reduction at a potential of 0.65 V. The linearity test showed an LOD value of 0.09 μg/mL. In other tests, G-TCN showed good stability and reliability, with an RSD of 11.90% and 7.44%, respectively. The results reported in this work will be a reference for researchers in developing voltammetric sensors for pesticide residue detection.
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