As part of a classroom demonstration, I shine a 650 nm red laser onto a block of Cadmium Sulfide attached with leads to a voltmeter to show that current will flow. a. Using information from the Optical Properties and Semiconductor lectures, explain why or why not electrical current flows through the semiconductor block with calculations, words, and (potentially) a diagram in order to determine whether I will look the fool or not.
As part of a classroom demonstration, I shine a 650 nm red laser onto a block of Cadmium Sulfide attached with leads to a voltmeter to show that current will flow. a. Using information from the Optical Properties and Semiconductor lectures, explain why or why not electrical current flows through the semiconductor block with calculations, words, and (potentially) a diagram in order to determine whether I will look the fool or not.
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Transcribed Image Text:As part of a classroom demonstration, I shine a 650 nm red laser onto a block of
Cadmium Sulfide attached with leads to a voltmeter to show that current will flow.
a. Using information from the Optical Properties and Semiconductor lectures,
explain why or why not electrical current flows through the semiconductor block
with calculations, words, and (potentially) a diagram in order to determine
whether I will look the fool or not.
b. What type of semiconductor is the block in question 1
c. If I used a block with a few phosphorous atoms replacing some of the atoms, what
type of semiconductor would this be? Would this new block be able to absorb
more or less of the visible spectrum than the block of question 1?
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