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- W4386055456 abstract "Gold nanoparticles (AuNPs) are textbook model systems to introduce Nanomaterials and Nanotechnology to students and laypersons. AuNPs are also suitable materials to raise awareness about the Green Chemistry principles. The unique optical and catalytic properties of nanosized gold make it ideal to timely develop hands-on experiments for nanomaterial synthesis requiring only few chemicals and simple equipment, such as a UV–vis spectrophotometer. While the Turkevich–Frens synthesis has been a preferred model system to date due to its simplicity, it still requires access to specific equipment and chemicals, e.g., to heat up the solution at relatively high temperature of ca. 100 °C. Various room temperature syntheses have been reported but suffer from relatively poor size control and/or the need for relatively harmful chemicals such as NaBH4. In contrast, room temperature and surfactant-free syntheses that only require HAuCl4, water, an alcohol, such as ethanol, ethylene glycol, or glycerol, and a base at relatively low concentration (<10 mM) are presented and their benefits to develop hands-on experiments are highlighted. The concepts that these simple syntheses can convey cover topics as broad as Nanotechnology, planning experimental screening of multiple variables, collaborative and open data science, or Green Chemistry." @default.
- W4386055456 created "2023-08-23" @default.
- W4386055456 creator A5044427661 @default.
- W4386055456 date "2023-08-22" @default.
- W4386055456 modified "2023-09-27" @default.
- W4386055456 title "Room Temperature Surfactant-Free Syntheses of Gold Nanoparticles in Alkaline Mixtures of Water and Alcohols: A Model System to Introduce Nanotechnology and Green Chemistry to Future Chemists and Engineers" @default.
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- W4386055456 doi "https://doi.org/10.1021/acs.jchemed.3c00492" @default.
- W4386055456 hasPublicationYear "2023" @default.
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