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Name _____________________ Solar Cell Fundamentals Lab Assignment 3 Using the attached graph of resistivity vs impurity concentration find the following: 1. The impurity concentration of a p-type wafer with a resistivity of 1.0 ohm-cm 2. The impurity concentration of a p-type wafer with a resistivity of 10.0 ohm-cm 3. The impurity concentration of a p-type wafer with a resistivity of 20.0 ohm-cm 4. The resistivity of a n-type wafer that has a impurity concentration of 1.5 x 10 18 impurities/cm 3
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Name _____________________
Solar Cell Fundamentals LabAssignment 3
Using the attached graph of resistivity vs impurity concentration find the following:
1. The impurity concentration of a p-type wafer with a resistivity of 1.0 ohm-cm
2. The impurity concentration of a p-type wafer with a resistivity of 10.0 ohm-cm
3. The impurity concentration of a p-type wafer with a resistivity of 20.0 ohm-cm
4. The resistivity of a n-type wafer that has a impurity concentration of 1.5 x 1018 impurities/cm3
5. Using 5.0 x1022 as the concentration of atoms in a silicon crystal, determine the ratio of dopant impurities in a p-type wafer with a resistivity of 5.0 ohm-cm (Show the calculation)
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