Agilent Technologies EasyEXPERT, Manual, Page: 399 / 610

13 Sollar Cell
13.9 Solar Cell Nyquist Plot: Solar Cell Nyquist Plot
(A.05.03.2013.0124_2013.02.27.1)
[Supported Analyzer]
B1500A
[Description]
Measures Solar Cell's characteristics of anode-to-cathode capacitance (Cp, linear) vs frequency (f, log) and
makes Nyquist plot. The measurement frequency is 10 points per decade.
[Reference]
IV and CV Characterizations of Solar/Photovoltaic Cells Using the B1500A
http://cp.literature.agilent.com/litweb/pdf/5990-4428EN.pdf
[Device Under Test]
Solar Cell
[Required Modules and Accessories]
Agilent B1520A MFCMU 1 unit
[Device Parameters]
Temp: Temperature
[Test Parameters]
IntegTime: Integration time
Anode: CMU connected between Anode and Cathode
FreqStart: Sweep start frequency
NoOfDecade: Number of decades for data collection
OscLevel: Measurement signal level
Vdc: Anode-Cathode voltage, constant voltage output
[Extended Test Parameters]
Hold_time: Hold time
Delay_time: Delay time
Z1_Max: Maximum value of Z1 axis for X-Y graph
Z2_Max: Maximum value of Z2 axis for X-Y graph
[Measurement Parameters]
Parallel capacitance Cp
Conductance G
[User Function]
PI=3.141592653589
D=G/(2*PI*FREQ*Cp)
Rp=1/G
Z1=G/(G^2+(2*PI*Freq*Cp)^2)
Z2=(2*PI*Freq*Cp)/(G^2+(2*PI*Freq*Cp)^2)
[Analysis Function]
[X-Y Graph]
X axis: Frequency Freq (LOG)
Agilent EasyEXPERT Application Library Reference, Edition 8
13-19