SOLAR CELL CURRENT AND VOLTAGE CHARACTERISTIC MEASUREMENT
A method for measuring the current and voltage IV characteristics of a solar cell, comprising attaching a solar cell to a temperature controlled chuck. Measuring the open circuit voltage of the solar cell at a constant chuck temperature. Illuminating the solar cell using an illumination source. Measuring the open circuit voltage of the solar cell until the open circuit voltage is stable. Determining the peak open circuit voltage of the solar cell at the constant chuck temperature. Reducing the temperature of the temperature controlled chuck and measuring the open circuit voltage of the solar cell until the open circuit voltage is at the peak open circuit voltage. Measuring the current and voltage IV characteristics of the solar cell.
1 . A method for measuring the current and voltage IV characteristics of a solar cell, comprising:
attaching a solar cell to a temperature controlled chuck;
measuring the open circuit voltage of said solar cell at a constant chuck temperature;
illuminating said solar cell using an illumination source;
measuring the open circuit voltage of said solar cell until the open circuit voltage is stable;
determining the peak open circuit voltage of said solar cell at said constant chuck temperature;
reducing the temperature of said temperature controlled chuck and measuring the open circuit voltage of said solar cell until the open circuit voltage is at said peak open circuit voltage; and,
measuring the current and voltage IV characteristics of said solar cell.
2 . The method of claim 1 , wherein said step of determining the peak open circuit voltage of said solar cell at said constant chuck temperature further adjusting the measured peak open circuit voltage of said solar cell using a linear fit of the open circuit voltage between the measured peak open circuit voltage and the measured stable open circuit voltage.