Journal
JOURNAL OF CHEMICAL EDUCATION
Volume 89, Issue 10, Pages 1316-1318Publisher
AMER CHEMICAL SOC
DOI: 10.1021/ed2002175
Keywords
First-Year Undergraduate/General; Laboratory Instruction; Physical Chemistry; Hands-On Learning/Manipulatives; Green Chemistry; Nanotechnology; Plant Chemistry; UV-Vis Spectroscopy
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Assimilating green chemistry principles in nanotechnology is a developing area of nanoscience research nowadays. Thus, there is a growing demand to develop environmentally friendly and sustainable methods for the synthesis of nanoparticles that utilize nontoxic chemicals, environmentally benign solvents, and renewable materials to avoid their adverse effects. A simple, economic, and environmentally benign experimental route to synthesize gold nanoparticles using tea leaves in an aqueous media at room temperature is described with a goal to introduce chemistry students to the concept of green chemistry as well as nanotechnology. The single-step method circumvents the use of surfactant, capping agent, or template and follows several principles of green chemistry. The experiment can be conducted in a typical laboratory session and is suitable for incorporation into the undergraduate introductory chemistry laboratory curriculum and constitutes an influential example of green chemistry in action.
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