Mesoporous carbon decorated with MIL-100(Fe) as an electrochemical platform for ultrasensitive determination of trace cadmium and lead ions in surface water
In this work, MIL-100(Fe)-decorated mesoporous carbon powders (MC@MIL-100(Fe)) were prepared by in situ growth of MIL-100(Fe) on the surface of ZIF-8 framework-based mesoporous carbons (MC). The hybrid material was characterized using SEM equipped with EDS mapping for morphology investigation, X-ray...
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| Format: | Article |
| Language: | English |
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Elsevier
2022-09-01
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| Series: | Ecotoxicology and Environmental Safety |
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| Online Access: | http://www.sciencedirect.com/science/article/pii/S0147651322008272 |
| _version_ | 1811297315917398016 |
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| author | Yelin Zhu Shuxing Zhou Jian Zhu Ping Wang Xinzhong Wang Xiuxiu Jia Thomas Wågberg Guangzhi Hu |
| author_facet | Yelin Zhu Shuxing Zhou Jian Zhu Ping Wang Xinzhong Wang Xiuxiu Jia Thomas Wågberg Guangzhi Hu |
| author_sort | Yelin Zhu |
| collection | DOAJ |
| description | In this work, MIL-100(Fe)-decorated mesoporous carbon powders (MC@MIL-100(Fe)) were prepared by in situ growth of MIL-100(Fe) on the surface of ZIF-8 framework-based mesoporous carbons (MC). The hybrid material was characterized using SEM equipped with EDS mapping for morphology investigation, X-ray photoelectron spectroscopy for chemical valence analysis, and X-ray diffraction for crystal structure determination. The developed sensor separated from the traditional bismuth film decoration, and simultaneously, MC@MIL-100(Fe) was applied for the first time to electrochemically detect trace amounts of Pb(II) and Cd(II). The fabricated MC@MIL-100(Fe)-based electrochemical sensor showed excellent response to the target analytes at –0.55 and − 0.75 V for lead and cadmium ions, respectively. By adjusting some measurement parameters, that is, the loading concentration of MC@MIL-100(Fe), acidity of the HAc-NaAc buffer (ABS), deposition potential, and deposition time, the analytical performance of the proposed electrochemical sensor was examined by exploring the calibration curve, repeatability, reproducibility, stability, and anti-interference under optimized conditions. The response current of the proposed MC@MIL-100(Fe) electrochemical sensor showed a well-defined linear relationship in the concentration ranges of 2–250 and 2–270 μg·L−1 for Cd(II) and Pb(II), respectively. In addition, the detection limits of the sensor for Cd(II) and Pb(II) were 0.18 and 0.15 μg L−1, respectively, which are well below the World Health Organization (WHO) drinking water guideline value. The MC@MIL-100(Fe) can be potentially used as an electrochemical platform for monitoring heavy metals in surface water, with satisfactory results. |
| first_indexed | 2024-04-13T06:02:26Z |
| format | Article |
| id | doaj.art-7802697d5d2c4563a00f7534fba77a11 |
| institution | Directory Open Access Journal |
| issn | 0147-6513 |
| language | English |
| last_indexed | 2024-04-13T06:02:26Z |
| publishDate | 2022-09-01 |
| publisher | Elsevier |
| record_format | Article |
| series | Ecotoxicology and Environmental Safety |
| spelling | doaj.art-7802697d5d2c4563a00f7534fba77a112022-12-22T02:59:24ZengElsevierEcotoxicology and Environmental Safety0147-65132022-09-01243113987Mesoporous carbon decorated with MIL-100(Fe) as an electrochemical platform for ultrasensitive determination of trace cadmium and lead ions in surface waterYelin Zhu0Shuxing Zhou1Jian Zhu2Ping Wang3Xinzhong Wang4Xiuxiu Jia5Thomas Wågberg6Guangzhi Hu7School of Electronic Communication Technology, Shenzhen Institute of Information Technology, Shenzhen 518172, China; College of Environmental Science and Engineering, Central South University of Forestry and Technology, Changsha 410004, ChinaHubei Key Laboratory of Low Dimensional Optoelectronic Materials and Devices, Hubei University of Arts and Science, Xiangyang 441053, China; Corresponding authors.College of Environmental Science and Engineering, Central South University of Forestry and Technology, Changsha 410004, ChinaCollege of Environmental Science and Engineering, Central South University of Forestry and Technology, Changsha 410004, ChinaSchool of Electronic Communication Technology, Shenzhen Institute of Information Technology, Shenzhen 518172, China; Corresponding authors.Institute for Ecological Research and Pollution Control of Plateau Lakes, School of Ecology and Environmental Science, Yunnan University, Kunming 650504, ChinaDepartment of Physics, Umeå University, Umeå 901 87, SwedenInstitute for Ecological Research and Pollution Control of Plateau Lakes, School of Ecology and Environmental Science, Yunnan University, Kunming 650504, China; Department of Physics, Umeå University, Umeå 901 87, Sweden; Corresponding author at: Institute for Ecological Research and Pollution Control of Plateau Lakes, School of Ecology and Environmental Science, Yunnan University, Kunming 650504, China.In this work, MIL-100(Fe)-decorated mesoporous carbon powders (MC@MIL-100(Fe)) were prepared by in situ growth of MIL-100(Fe) on the surface of ZIF-8 framework-based mesoporous carbons (MC). The hybrid material was characterized using SEM equipped with EDS mapping for morphology investigation, X-ray photoelectron spectroscopy for chemical valence analysis, and X-ray diffraction for crystal structure determination. The developed sensor separated from the traditional bismuth film decoration, and simultaneously, MC@MIL-100(Fe) was applied for the first time to electrochemically detect trace amounts of Pb(II) and Cd(II). The fabricated MC@MIL-100(Fe)-based electrochemical sensor showed excellent response to the target analytes at –0.55 and − 0.75 V for lead and cadmium ions, respectively. By adjusting some measurement parameters, that is, the loading concentration of MC@MIL-100(Fe), acidity of the HAc-NaAc buffer (ABS), deposition potential, and deposition time, the analytical performance of the proposed electrochemical sensor was examined by exploring the calibration curve, repeatability, reproducibility, stability, and anti-interference under optimized conditions. The response current of the proposed MC@MIL-100(Fe) electrochemical sensor showed a well-defined linear relationship in the concentration ranges of 2–250 and 2–270 μg·L−1 for Cd(II) and Pb(II), respectively. In addition, the detection limits of the sensor for Cd(II) and Pb(II) were 0.18 and 0.15 μg L−1, respectively, which are well below the World Health Organization (WHO) drinking water guideline value. The MC@MIL-100(Fe) can be potentially used as an electrochemical platform for monitoring heavy metals in surface water, with satisfactory results.http://www.sciencedirect.com/science/article/pii/S0147651322008272Pb(II)Cd(II)Electrochemical sensorMIL-100(Fe)Mesoporous carbonSimultaneous determination |
| spellingShingle | Yelin Zhu Shuxing Zhou Jian Zhu Ping Wang Xinzhong Wang Xiuxiu Jia Thomas Wågberg Guangzhi Hu Mesoporous carbon decorated with MIL-100(Fe) as an electrochemical platform for ultrasensitive determination of trace cadmium and lead ions in surface water Ecotoxicology and Environmental Safety Pb(II) Cd(II) Electrochemical sensor MIL-100(Fe) Mesoporous carbon Simultaneous determination |
| title | Mesoporous carbon decorated with MIL-100(Fe) as an electrochemical platform for ultrasensitive determination of trace cadmium and lead ions in surface water |
| title_full | Mesoporous carbon decorated with MIL-100(Fe) as an electrochemical platform for ultrasensitive determination of trace cadmium and lead ions in surface water |
| title_fullStr | Mesoporous carbon decorated with MIL-100(Fe) as an electrochemical platform for ultrasensitive determination of trace cadmium and lead ions in surface water |
| title_full_unstemmed | Mesoporous carbon decorated with MIL-100(Fe) as an electrochemical platform for ultrasensitive determination of trace cadmium and lead ions in surface water |
| title_short | Mesoporous carbon decorated with MIL-100(Fe) as an electrochemical platform for ultrasensitive determination of trace cadmium and lead ions in surface water |
| title_sort | mesoporous carbon decorated with mil 100 fe as an electrochemical platform for ultrasensitive determination of trace cadmium and lead ions in surface water |
| topic | Pb(II) Cd(II) Electrochemical sensor MIL-100(Fe) Mesoporous carbon Simultaneous determination |
| url | http://www.sciencedirect.com/science/article/pii/S0147651322008272 |
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