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Direct linkVan Ryswyk, Hal; Loar, Aech; Kelber, Jacob; Meznarich, Zooey; Sabin, Jocelyn; Griffith, Simone; Stevenson, Leah E. – Journal of Chemical Education, 2021
Tungsten oxide semiconductors are used to photooxidize water. Students prepare WO3, CuWO4, and mixed composition thin film photoanodes. The syntheses are simple, allowing for the quick production of a range of materials. Photoanodes are tested in a photoelectrochemical cell assembled from common equipment, allowing for the direct comparison of…
Descriptors: Science Instruction, College Science, Undergraduate Study, Inorganic Chemistry
Bertram Schmidkonz – Journal of Chemical Education, 2022
Simple, often artificial problems are normally preferred for introductory lab courses and are restricted to indoor participation. Microtitrations make it possible to leave the lab and study water chemistry directly in the natural environment. An exemplary outdoor challenge is presented here: travertine formation is context-rich, has to be examined…
Descriptors: Inorganic Chemistry, Laboratory Experiments, Outdoor Education, Science Instruction
