Question 4 CURRENT AND VOLTAGE OF
ULTRATHIN CIGS-STRUCTURE SOLAR
CELLS AT VARIOUS TEMPERATURES
0.78
35.2
0.76
35.0
0.74
-34.8
0.72
34.6
0.70
-34.4
0.68
34.2
0.66
-34.0
0.64
-33.8
0.62
33,6
0.60
-- Current
-33,4
0.58
Voltage
-33.2
0.56
33.0
320 340 360 380 400
Temperature (K)
The current and voltage of new ultrathin CIGS solar cells vary based on temperature. The graph shows the current in milliamps per square centimeter (mA/cm²), and voltage, in volts (V), at various
temperatures, in degrees Kelvin (K).
Voltage (V)
Current (mA/cm2)
300
Which of the following best estimates the rate of change of voltage, in volts per degree Kelvin (V/K)?