Material Science/ Solid State Chemistry- Counting Photons Using a Solar Cell

Counting Photons Using a 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, Solid State Chemistry