Chemistry 104 Laboratory

 

 

This Week

Answer Keys

Gen Chem Lab

Periodic Table

 

 

á       Quiz on Expts 5,6

á       Expt 8:  Nanocrystalline Solar Cells

o      Preliminary Assignment due before you start the experiment

Next Week

á       Expt 7:  Phenolphthalein Kinetics

 

Notes for Today
  • Prepare the Solar Cell

 

    • Spread film of TiO2 on glass plate

 

    • Anneal film

 

    • Stain film with berry juice anthocyanin (light collector)

 

    • Prepare graphite-coated counter electrode

 

 

  • Assemble components and expose cell to sunlight to see how well it works

 

            

 

 

 

 

  • Safety Isues
    • Goggles required when preparing TiO2 suspension and annealing films
    • Keep ethanol away from flames