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Environmental Pollutants and Bioavailability Volume 36, 2024 - Issue 1
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Original Research

Monitoring of Cu2+ release from controllably synthesized nano-copper pesticides

Jun Lia New Materials Research and Development Department, Yunnan Tin Industry Group (Holding) Co. Ltd. R & D Center, Kunming, PR ChinaView further author information
,
Yujian Laic School of Environment, Hangzhou Institute for Advanced Study, UCAS, Hangzhou, ChinaView further author information
,
Chen Yanga New Materials Research and Development Department, Yunnan Tin Industry Group (Holding) Co. Ltd. R & D Center, Kunming, PR ChinaView further author information
&
Lijie Dongb Division of Chemical Metrology and Analytical Science, National Institute of Metrology, Beijing, ChinaCorrespondence[email protected]
View further author information
Article: 2300477 | Received 06 Dec 2023, Accepted 25 Dec 2023, Published online: 07 Jan 2024

Figures & data

Figure 1. Characterization of copper pesticide NPs. SEM images of Cu(OH)2 NPs (a), Cu(OH)2 NWs (b), CuO NPs (c), rha-coated Cu(OH)2 NPs (d), gel-coated Cu(OH)2 NPs (e), CMS-coated Cu(OH)2 NPs (f), and PEG-coated Cu(OH)2 NPs (g), respectively.

Figure 1. Characterization of copper pesticide NPs. SEM images of Cu(OH)2 NPs (a), Cu(OH)2 NWs (b), CuO NPs (c), rha-coated Cu(OH)2 NPs (d), gel-coated Cu(OH)2 NPs (e), CMS-coated Cu(OH)2 NPs (f), and PEG-coated Cu(OH)2 NPs (g), respectively.

Figure 2. SEM and EDS characterization of Cu(OH)2 NPs coated with different surfactants.

Figure 2. SEM and EDS characterization of Cu(OH)2 NPs coated with different surfactants.

Figure 3. FTIR characterization of Cu(OH)2 NPs coated with different surfactants.

Figure 3. FTIR characterization of Cu(OH)2 NPs coated with different surfactants.

Figure 4. Cu2+ release kinetic profiles of different Cu-based NPs. (a) Cu2+ release profiles of Cu(OH)2 NPs, Cu(OH)2 NWs, and CuO NPs; (b) Cu2+ release profiles of rha, gel, CMS, and PEG-coated Cu(OH)2 NPs.

Figure 4. Cu2+ release kinetic profiles of different Cu-based NPs. (a) Cu2+ release profiles of Cu(OH)2 NPs, Cu(OH)2 NWs, and CuO NPs; (b) Cu2+ release profiles of rha, gel, CMS, and PEG-coated Cu(OH)2 NPs.

Figure 5. Cu2+ release monitoring of Cu-based NPs at different pH values. Characterization of copper pesticide NPs. Cu2+ release kinetic curves of Cu(OH)2 NPs (a), Cu(OH)2 NWs (b), CuO NPs (c), rha-coated Cu(OH)2 NPs (d), gel-coated Cu(OH)2 NPs (e), CMS-coated Cu(OH)2 NPs (f), and PEG-coated Cu(OH)2 NPs (g), respectively.

Figure 5. Cu2+ release monitoring of Cu-based NPs at different pH values. Characterization of copper pesticide NPs. Cu2+ release kinetic curves of Cu(OH)2 NPs (a), Cu(OH)2 NWs (b), CuO NPs (c), rha-coated Cu(OH)2 NPs (d), gel-coated Cu(OH)2 NPs (e), CMS-coated Cu(OH)2 NPs (f), and PEG-coated Cu(OH)2 NPs (g), respectively.

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