Counting Photons Using Solar Cell
Description: A laser is aligned to strike a solar cell. The solar cell is connected to a multimeter to show the amps produced. Blue colored liquid is placed in between the laser and solar cell, and the number of amps is reduced by half.
Source: Ellis, A. e al. Teaching General Chemistry: A Material Science Companion
Year: 1993 Vol: N/A Page: 266
Keywords: Multimeter, Solar cell. Laser, Absorption
Ratings: 
Hazard: Some
- Eye damage
- Aquatic toxicity
Effectiveness: Average
- Results are observable with guidance
- Somewhat connected to course material
- Mild effects are seen by audience
- Secondary effects are seen by audience
Difficulty: Medium
- Sequential or timed manipulations
- Some intermediate steps to results
- Precise alignment and manipulation required
Safety Precautions:
- Eye protection required
- Gloves required
- Avoid exposure to laser light
- Absorbent material on hand
Class: Solid State Chemistry
Division: General, Material Science Chemistry
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