This paper outlines several benchtop nanoscale patterning experiments that can be incorporated into undergraduate laboratories or advanced high school chemistry curricula. The experiments, supplemented by an online video lab manual, are based on soft lithographic techniques such as replica molding, micro-molding in capillaries, and micro-contact printing and etching. These simple labs were designed using readily available and inexpensive materials such as compact discs, glass microscope slides, and curable polymers. In these labs, students could generate polymeric and metallic structures with feature sizes as small as 110 nm. The feasibility of these experiments was tested in a two-quarter, research-based course on nanoscience and technology for first- and second-year students at Northwestern University.
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Introductory information, instructions for students, and instructions for teachers—including post-lab questions—are available. An online video manual for students is also available (accessed Aug 2007).
Experiments, laboratory exercises, lecture demonstrations, and other descriptions of the use of chemicals, apparatus, instruments, computers, and computer interfaces are presented in the Journal of Chemical Education as illustrative of new or improved ideas or concepts in chemistry instruction and are directed at qualified teachers. Although every effort is made to assure and encourage safe practices and safe use of chemicals, the Journal of Chemical Education cannot assume responsibility for uses made of its published materials. Many chemicals are hazardous. Precautions for the safe use of hazardous chemicals and directions for their proper disposal are described in the Material Safety Data Sheets and on the labels. We strongly urge all those planning to use materials from our pages to make choices and to develop procedures for laboratory and classroom safety in accordance with local needs and situations.
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