I would like to design a substrate holder with a 2-probe setup for measuring the I-V characteristics of thin films, including photodiodes, photodetectors, and other devices. Commercially available instruments for such measurements are often expensive, making them inefficient for my budget-specific requirements. Therefore, I want to design one myself. Please help me with this.
Make few pinholes on a metal plate and connect vacuum hose on one side.
Vacuum suction will hold the detector in place. You can put one electrode on the same plate and one isolated probe to connect to the metal on top of the photo detector. Great set for measuring IV characteristics. You can control the temperature of the metal plate for constant temperature measurements.
Simple and cheap
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