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Symposium Year: 2013
Student(s): Clinton Johnson, Austin Jones
Faculty Mentor(s): Dr. Jerald Simon
The main objective of the research is to determine and understand the photo-reactivity of different metal oxide combinations. Mixed metal oxides may present efficient and inexpensive way to produce hydrogen from water and sunlight, which is the basis for solar energy. Metal nitrate solutions are placed on a conductive glass substrate that is then pyrolyzed in an oven at 500 ?C. An automated rastering laser spectrometer built out of LEGO® bricks is used to determine the photocurrent of the metal oxides on the glass substrate. The photocurrent is then plotted as a function of the location on the glass substrates. Hot spots on the spectrum are red and show that the metal oxide combination in that location has high photo-reactivity. Currently only an iron and copper standard have been run on both a positive and negative bias.
Present in 2014
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